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href="//www.newsama.com/journals/ijrm/" aria-label="International Journal of Rotating Machinery">旋转机械的国际期刊</一个>/<一个cl一个年代年代=”年代c-htpNat bUhGXt link sc-eitiEO jXeALb breadCrumb" href="//www.newsama.com/journals/ijrm/contents/year/2011/" aria-label="2011">2011年</一个>/<年代p一个ncl一个年代年代=”年代c-bhlBdH UVThf">文章</年代p一个n></d我v> <div class="threeColumn__ThreeColumnWrapper-sc-1bf4078-0 dDyxFF threeColumnWrapper"> <div class="threeColumn__LeftWrapper-sc-1bf4078-1 fkVFlF leftWrapper"> <button type="button" class="sc-eKZiaR dzZrgS section__button " id="sectionButton"><span class="sc-htoDjs diutvq icon__dots dots__detector icon-colored _3n-7Ho7DlfjMlZbrRr9Q4a icon-themeable" title="" font-size="22"></span>文章部分</button> <div class="sc-bEjcJn jLUVhb static_contents__section_links links__hidden "> <div id="leftSectionMenu" class="sc-cbkKFq prcY sc-bGbJRg dVCLgr left_section_menu"> <p>在这一页上</p><年代p一个ncl一个年代年代="sc-likbZx bBmZJZ grey" property="background-color" color="#D8D8D8"><a class="sc-htpNat bUhGXt link 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class="threeColumn__ContentWrapper-sc-1bf4078-3 bbzREB contentWrapper"> <div class="threeColumn__Content-sc-1bf4078-4 jknsZc content"> <div class="articleContent__ArticleContentsWrapper-sc-2yl9jy-0 eSvjPB article_contents"> <div class="articleContent__ArticleContentsSectionsWrapper-sc-2yl9jy-1 jntdRu article_contents__sections_wrapper"> <div class="articleContent__ArticleWrapper-sc-2yl9jy-2 hAzjHP"> <div class="sc-chbbiW mBGSe article_header_class"> <p class="sc-kZmsYB bkiEfx article_type">研究文章|开放获取</p><d我v class="sc-RcBXQ ztvYg article_citation"> 体积 2011年 <span class="sc-fZwumE cUsFHx">|</年代p一个n>文章的ID 182906年 <span class="sc-fZwumE cUsFHx">|</年代p一个n><一个cl一个年代年代="sc-htpNat bUhGXt link sc-fQejPQ duuwge" href="https://doi.org/10.1155/2011/182906" aria-label="Doi-link">https://doi.org/10.1155/2011/182906</一个></d我v> <div class="sc-LKuAh lcOiDF article_full_citation"> <div class="sc-hzNEM gsmOCv isHide"> <p>乔治·Doulgeris侯赛因·Khaleghi Anestis Kalfas,伯里克利Pilidis, ”<年代p一个ncl一个年代年代=”一个djust-article-svg-size">发展燃气轮机建模方法增强粉丝表示</年代p一个n>”,<i>旋转机械的国际期刊</我>, 卷。2011年, 文章的ID182906年, 8   页面, 2011年。 https://doi.org/10.1155/2011/182906</p></d我v> <button class="sc-hSdWYo etauus sc-iBEsjs kPshFw" color="">显示引用</button> </div> <h1 class="sc-iRbamj jZOxOO sc-iSDuPN dULHFk article_title adjust-article-svg-size heading-title">发展燃气轮机建模方法增强粉丝表示</h1> </div> <div class="sc-jrIrqw eHMFfo article_authors"> <hr class="sc-cEvuZC XkrFe hr__author"> <span class=""><b>乔治·Doulgeris</b><a class="sc-htpNat bUhGXt link" href="mailto:" aria-label="Mail Option"><span class="sc-htoDjs kNoiZu sc-hjRWVT irNWJI icon-colored _2zt-1j0LmaF8UjTQAM413G icon-themeable" title="" font-size="16"></span></a>,<年代up>1</年代up></span> <span class="">侯赛因Khaleghi,<年代up>1</年代up></span> <span class="">Anestis Kalfas,<年代up>2</年代up> 和</年代p一个n><年代p一个ncl一个年代s="">伯里克利Pilidis<年代up>1</年代up></span> <div class="sc-fHxwqH dMuGGA isHide"> <p><sup>1</年代up><span>部门的权力和推进,国有企业,克兰菲尔德大学,贝德福德郡MK43 0,英国</年代p一个n></p><p><sup>2</年代up><span>塞萨洛尼基亚里士多德大学机械工程系,54124年的希腊塞萨洛尼基</年代p一个n></p></d我v> <button class="sc-hSdWYo etauus sc-iQtOjA kfDwZY" color="">显示更多</button> </div> <div class="articleContent__EditorWrapper-sc-2yl9jy-3 evMkvU"> <div class="articleContent__TextWrapper-sc-2yl9jy-8 fYrLtk"> <b>学术编辑器:</b>m . Razi Nalim</d我v> <div class="articleContent__PublicationTimeLineWrapper-sc-2yl9jy-4 fjviok"> <div class="articleContent__PublcationCol-sc-2yl9jy-5 hgKieC notPublished"> <span class="articleContent__PublicationField-sc-2yl9jy-6 cIribm">收到了</年代p一个n><年代p一个ncl一个年代s="articleContent__PublicationValue-sc-2yl9jy-7 khHUcu">2010年11月01</年代p一个n></d我v> <div class="articleContent__PublcationCol-sc-2yl9jy-5 hgKieC notPublished"> <span class="articleContent__PublicationField-sc-2yl9jy-6 cIribm">修改后的</年代p一个n><年代p一个ncl一个年代s="articleContent__PublicationValue-sc-2yl9jy-7 khHUcu">2011年5月11日</年代p一个n></d我v> <div class="articleContent__PublcationCol-sc-2yl9jy-5 hgKieC notPublished"> <span class="articleContent__PublicationField-sc-2yl9jy-6 cIribm">接受</年代p一个n><年代p一个ncl一个年代s="articleContent__PublicationValue-sc-2yl9jy-7 khHUcu">2011年5月17日</年代p一个n></d我v> <div class="articleContent__PublcationCol-sc-2yl9jy-5 hgKieC isPublished"> <span class="articleContent__PublicationField-sc-2yl9jy-6 cIribm">发表</年代p一个n><年代p一个ncl一个年代s="articleContent__PublicationValue-sc-2yl9jy-7 khHUcu">2011年7月17日</年代p一个n></d我v> </div> </div> <article class="sc-jtRlXQ cwITDy article_body "> <div> <div class="xml-content"> <h4 class="header" id="abstract">文摘</h4> <p>一个挑战在未来民用航空推进系统预计将与机身集成,来增加涵道比的结果或机翼上方安装噪音缓解。结果高度扭曲的引擎进气流动使需求明确先进燃气轮机性能预测模型。自从喷气式飞机引擎,提出了几个模型,目前的工作是添加一个模型,该模型结合了两种行之有效的压缩机性能的方法来创建一个quasi-three-dimensional表示现代涡扇的粉丝。流线曲率平行压气机模型耦合的方法,分别覆盖径向和圆周方向。模型试验表明协议实验数据,使它适合评估增加保证金的损失大涵道比涡扇,semiembedded广泛的机翼机身的上表面。</p><年代p一个ncl一个年代年代="end-abs"></span> <h4 id="introduction">1。介绍</h4> <p>燃气轮机性能偏离设计的普遍预测是通过零维分析方法(<一个href="#B1">1</一个>- - - - - -<一个href="#B3">3</一个>]。这些方法都是基于分立元件地图,对待每一个引擎组件作为黑盒操作下平均流体值,如质量流量、温度和压力。一个缺点在这种方法是应对流动不均匀性差,可至关重要的预测发动机进气畸变条件下的性能。</p><p>自1950年代末以来,燃气轮机工程师意识到严重性的进气畸变对发动机性能的影响。因此,实验和计算的一些研究集中在进气畸变的评估。Lieblein[工作<一个href="#B4">4</一个>在《盗梦空间》)是实验研究的一个例子压缩机叶片的激增。后来,周向流的衰减失真,通过多级压缩机,研究了Plourde [<一个href="#B5">5</一个>),而卡拉汉和sten [<一个href="#B6">6</一个>]介绍了衰减的实验和理论结果失真上游压缩机。</p><p>领域的数值模型,并行压缩机是首先提出的皮尔森和麦肯齐(<一个href="#B7">7</一个>]。并联压缩机的功能被里德(进一步调查<一个href="#B8">8</一个>),显示被宠坏的区角对压气机喘振裕度的影响,实验和理论结果之间的偏差。在这之后,他确定了临界变形角(<年代vg height="14.5875" id="M1" style="vertical-align:-3.22281pt;width:23.725px;" version="1.1" viewbox="0 0 23.725 14.5875" width="23.725" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.5875)"> <g transform="translate(72,-60.33)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-65.4,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> c</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="3.8858881" y="0"> r</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="6.9665918" y="0"> 我</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="9.3996477" y="0"> t</t年代p一个n></text> </g> </g> </svg>),上面,增加保证金损失明显降低。</p><p>在1970年代,重要的研究是由美国国家航空航天局。周向畸变对燃气轮机性能的影响调查Calogeras et al。<一个href="#B9">9</一个>)和米尔纳,文策尔(<一个href="#B10">10</一个>),他提出的操作线转变J85-GE-13涡轮喷气飞机,在各种变形模式。相同的稳定发动机进气温度和压力下变形被布雷斯韦特因此研究et al。<一个href="#B11">11</一个>]。在同一研究平行压气机模型的应用程序显示一个合理的协议与实验。</p><p>并行压缩方法被用来扩展模型的基础。一个例子是本文从格雷策和格里斯沃尔德(<一个href="#B12">12</一个>),包括压缩机稳定的解析表达式和compressor-diffuser交互。主要的焦点,虽然转移到压缩机动态响应的研究,和几个模型提出了在该地区(<一个href="#B13">13</一个>- - - - - -<一个href="#B15">15</一个>]。</p><p>虽然过去的研究大部分集中在周向畸变,重要的工作径向扰动的影响是在克兰菲尔德大学进行。阴和Pilidis [<一个href="#B16">16</一个>和阴等。<一个href="#B17">17</一个>)提出了一个二维涡扇发动机性能计算模型下径向进口资料,根据实验得到粉丝的地图。一种不同的方法之后,Pachidis et al。<一个href="#B18">18</一个>),他提出了一个二维流线曲率法对压缩机的性能。输入模型进气径向配置文件,用于耦合的CFD模拟轴对称摄入量与燃气轮机性能代码(<一个href="#B19">19</一个>]。目前的研究提供了一个增强的预测方法,通过扩展quasi-3D流线曲率,通过耦合与流线曲率平行压气机理论。</p><h4 id="enhanced-fan-model">2。提高风扇模型</h4> <p>一个增强quasi-3D粉丝表示,提出了结合流线曲率模型(径向)多个并行压缩方法(在圆周方向),为了捕获一个高度扭曲的进气道流的三维效果。该模型的核心是流线曲率模型,并行控制的压缩机模型如图<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig1/" target="_blank">1</一个>和<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig2/" target="_blank">2</一个>。</p><d我v class="floats-partial-section partial-carousel-wrapper" data-section="fig1"> <div class="floats-partial-content fig-content-fig1"> <div class="partial-carousel--single-image"> <img alt="" name="182906.fig.001" src="https://static-01.hindawi.com/articles/ijrm/volume-2011/182906/figures/182906.fig.001.jpg"> <br> <strong></strong> </div> </div> <div class="floats-partial-footer"> <div class="floats-partial-caption"> <span class="caption-text">图1</年代p一个n><一个一个r我一个-label="full view" class="caption-partial-url" href="//www.newsama.com/journals/ijrm/2011/182906/fig1/" title="" target="_blank"></a> </div> <div class="floats-partial-caption-text"> <table> 增强平行压气机模型。</t一个ble> </div> </div> </div> <div class="floats-partial-section partial-carousel-wrapper" data-section="fig2"> <div class="floats-partial-content fig-content-fig2"> <div class="partial-carousel--single-image"> <img alt="" name="182906.fig.002" src="https://static-01.hindawi.com/articles/ijrm/volume-2011/182906/figures/182906.fig.002.jpg"> <br> <strong></strong> </div> </div> <div class="floats-partial-footer"> <div class="floats-partial-caption"> <span class="caption-text">图2</年代p一个n><一个一个r我一个-label="full view" class="caption-partial-url" href="//www.newsama.com/journals/ijrm/2011/182906/fig2/" title="" target="_blank"></a> </div> <div class="floats-partial-caption-text"> <table> 传统PC压缩机响应失真。</t一个ble> </div> </div> </div> <h5 id="sec2.1">2.1。平行压气机理论</h5> <p>并联压缩机(PC)模型的基本原理是压缩机的分裂成两个独立的虚拟压缩机段。这两个部分在同一转速下运行,放电常见的充气。不过,他们的主要区别是进气条件;下一段经营清洁进气道流(区域平均总压在“干净”的部门),而第二个是受到低入口压力(区域平均总压强<年代vg height="14.3375" id="M2" style="vertical-align:-3.21404pt;width:13.45px;" version="1.1" viewbox="0 0 13.45 14.3375" width="13.45" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.3375)"> <g transform="translate(72,-60.53)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-64.52,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n></text> </g> </g> </svg>“被宠坏的”行业)。</p><p>出口边界条件的两个压缩机段是常见的充气的放电。因此,出口静压和气流角是相同的对于这两个行业,没有混合。这种假设是有效的,由于定子叶片的存在,是专为创建统一的出口流量条件下,虽然建立了一些实验研究,如从桑格,(<一个href="#B20">20.</一个>]。在这项研究中,极低的静态压力的偏差在风机出口平面<年代p一个ncl一个年代年代=”equation" id="EEq1"> <svg height="42.099998" id="M3" preserveaspectratio="xMaxYMin" style="vertical-align:-0pt;width:700.9375px;" version="1.1" viewbox="0 0 700.9375 42.099998" width="700.9375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,42.1)"> <g transform="translate(72,-38.32)"> <text transform="matrix(1,0,0,-1,161.71,54.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,170.58,51.24)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,177.28,54.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> =</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="13.23" y="-9.2399998"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,200.28,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,203.5,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,210.92,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="2.7393761" y="0"> </t年代p一个n></text> <g> <path d="m 190.51,57.49 26.37,0" style="fill:none;stroke:#000000;stroke-width:0.82499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:10;stroke-opacity:1;stroke-dasharray:none"></path> </g> <text transform="matrix(1,0,0,-1,191.48,41.61)"> <tspan style="font-size: 12.50px; " x="0" y="0"> √</t年代p一个n></text> <g> <path d="m 203.08,53.36 12.84,0" style="fill:none;stroke:#000000;stroke-width:0.82499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:10;stroke-opacity:1;stroke-dasharray:none"></path> </g> <text transform="matrix(1,0,0,-1,203.08,42.68)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,209.96,39.55)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="2.7393761" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,220.86,54.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ⋅</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="13.82" y="-9.2399998"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,241.23,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n></text> <g> <path d="m 228.41,57.49 22.31,0" style="fill:none;stroke:#000000;stroke-width:0.82499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:10;stroke-opacity:1;stroke-dasharray:none"></path> </g> <text transform="matrix(1,0,0,-1,228.41,45.61)"> <tspan style="font-size: 12.50px; " x="0" y="0"> 3</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="6.2515001" y="0"> 6</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="12.503" y="0"> 0</t年代p一个n></text> <text transform="matrix(1,0,0,-1,247.16,50.78)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ∘</t年代p一个n></text> <text transform="matrix(1,0,0,-1,251.92,54.36)"> <tspan style="font-size: 12.50px; " x="0" y="0"> 。</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="222.2" y="0"> (</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="226.36349" y="0"> 1</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="232.61501" y="0"> )</t年代p一个n></text> </g> </g> </svg></span></p> <p>共同转速的条件下,“干净”的部分运行在高质量流量和低压力为了匹配低出口静压的“扭曲”部门。质量流量的计算使用(<一个href="#EEq1">1</一个>),<年代vg height="14.575" id="M4" style="vertical-align:-3.2316pt;width:16.35px;" version="1.1" viewbox="0 0 16.35 14.575" width="16.35" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.575)"> <g transform="translate(72,-60.34)"> <text transform="matrix(1,0,0,-1,-71.95,63.61)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-62.19,60.48)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n></text> </g> </g> </svg>相应的无量纲质量流量是平行的部门。再进一步,压缩机的整体性能计算后两个行业之间的适当的平均。退出<年代vg height="14.3375" id="M5" style="vertical-align:-3.21404pt;width:13.45px;" version="1.1" viewbox="0 0 13.45 14.3375" width="13.45" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.3375)"> <g transform="translate(72,-60.53)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-64.52,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n></text> </g> </g> </svg>和质量流量是由面积平均(<一个href="#EEq2">2</一个>)和(<一个href="#EEq3">3</一个>),而<年代vg height="14.3375" id="M6" style="vertical-align:-3.21404pt;width:12.7625px;" version="1.1" viewbox="0 0 12.7625 14.3375" width="12.7625" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.3375)"> <g transform="translate(72,-60.53)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-65.07,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n></text> </g> </g> </svg>质量平均(<一个href="#EEq4">4</一个>)。术语“<年代vg height="10.7375" id="M7" style="vertical-align:-0.13794pt;width:8.3125px;" version="1.1" viewbox="0 0 8.3125 10.7375" width="8.3125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.7375)"> <g transform="translate(72,-63.41)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> </g> </g> </svg>”是每个部门的部门角度(<一个href="#EEq5">5</一个>),表示环区域由于压痕半径不变<年代p一个ncl一个年代年代=”equation" id="EEq2"> <svg height="33.25" id="M8" preserveaspectratio="xMaxYMin" style="vertical-align:-0pt;width:700.9375px;" version="1.1" viewbox="0 0 700.9375 33.25" width="700.9375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,33.25)"> <g transform="translate(72,-45.4)"> <text transform="matrix(1,0,0,-1,159,54.38)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,166.43,51.25)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,173.14,54.38)"> <tspan style="font-size: 12.50px; " x="0" y="0"> =</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="13.23" y="-9.2200003"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,192.92,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 1</t年代p一个n></text> <text transform="matrix(1,0,0,-1,197.8,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,205.23,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="2.7393761" y="0"> 1</t年代p一个n></text> <text transform="matrix(1,0,0,-1,215.62,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> +</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="11.340221" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,233.51,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</t年代p一个n></text> <text transform="matrix(1,0,0,-1,238.39,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,245.81,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="2.7393761" y="0"> 2</t年代p一个n></text> <g> <path d="m 186.37,57.51 67.06,0" style="fill:none;stroke:#000000;stroke-width:0.82499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:10;stroke-opacity:1;stroke-dasharray:none"></path> </g> <text transform="matrix(1,0,0,-1,208.74,45.63)"> <tspan style="font-size: 12.50px; " x="0" y="0"> 3</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="6.2515001" y="0"> 6</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="12.503" y="0"> 0</t年代p一个n></text> <text transform="matrix(1,0,0,-1,227.5,50.8)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ∘</t年代p一个n></text> <text transform="matrix(1,0,0,-1,254.62,54.38)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ,</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="219.5" y="0"> (</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="223.6635" y="0"> 2</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="229.91499" y="0"> )</t年代p一个n></text> </g> </g> </svg></span><span class="equation" id="EEq3"> <svg height="15.75" id="M9" preserveaspectratio="xMaxYMin" style="vertical-align:-0pt;width:700.9375px;" version="1.1" viewbox="0 0 700.9375 15.75" width="700.9375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,15.75)"> <g transform="translate(72,-59.4)"> <text transform="matrix(1,0,0,-1,173.81,63.2)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="12.340461" y="0"> =</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="24.38085" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,207.07,60.07)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 1</t年代p一个n></text> <text transform="matrix(1,0,0,-1,214.72,63.2)"> <tspan style="font-size: 12.50px; " x="0" y="0"> +</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="11.340221" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,234.94,60.07)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</t年代p一个n></text> <text transform="matrix(1,0,0,-1,239.82,63.2)"> <tspan style="font-size: 12.50px; " x="0" y="0"> ,</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="234.3" y="0"> (</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="238.4635" y="0"> 3</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="244.715" y="0"> )</t年代p一个n></text> </g> </g> </svg></span><span class="equation" id="EEq4"> <svg height="32.924999" id="M10" preserveaspectratio="xMaxYMin" style="vertical-align:-0pt;width:700.9375px;" version="1.1" viewbox="0 0 700.9375 32.924999" width="700.9375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,32.925)"> <g transform="translate(72,-45.66)"> <text transform="matrix(1,0,0,-1,157.5,54.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,164.38,51.44)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,171.09,54.57)"> <tspan style="font-size: 12.50px; " x="0" y="0"> =</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="13.23" y="-9.2200003"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,193.2,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 1</t年代p一个n></text> <text transform="matrix(1,0,0,-1,198.07,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,204.95,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="2.7393761" y="0"> 1</t年代p一个n></text> <text transform="matrix(1,0,0,-1,215.34,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> +</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="11.340221" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,235.56,60.66)"> <tspan style="font-size: 8.75px; 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" x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,175.96,60.07)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 1</t年代p一个n></text> <text transform="matrix(1,0,0,-1,183.62,63.2)"> <tspan style="font-size: 12.50px; " x="0" y="0"> +</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="11.327718" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,201.51,60.07)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 2</t年代p一个n></text> <text transform="matrix(1,0,0,-1,209.86,63.2)"> <tspan style="font-size: 12.50px; " x="0" y="0"> =</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="12.027886" y="0"> 3</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="18.279387" y="0"> 6</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="24.530886" y="0"> 0</t年代p一个n></text> <text transform="matrix(1,0,0,-1,240.65,68.37)"> <tspan style="font-size: 8.75px; " x="0" y="0"> ∘</t年代p一个n></text> <text transform="matrix(1,0,0,-1,244.21,63.2)"> <tspan style="font-size: 12.50px; " x="0" y="0"> 。</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="229.91" y="0"> (</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="234.0735" y="0"> 5</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="240.325" y="0"> )</t年代p一个n></text> </g> </g> </svg></span></p> <p>并行压缩方法已广泛用于定义压缩机的波动极限。在这个过程中,“干净”的波动极限速度线被认为是常见的“干净”和“扭曲”行业。因此,飙升时达到大幅限制“扭曲”行业,和的平均价值<年代vg height="14.3375" id="M12" style="vertical-align:-3.21404pt;width:13.45px;" version="1.1" viewbox="0 0 13.45 14.3375" width="13.45" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.3375)"> <g transform="translate(72,-60.53)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-64.52,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n></text> </g> </g> </svg>和无量纲质量流量给“扭曲”的限制。这个标准已被广泛应用于参考书目,如(<一个href="#B21">21</一个>,<一个href="#B22">22</一个>]。它是基于的假设为两个部门使用相同的无因次地图,并允许保证金损失激增的定性评估。</p><h5 id="sec2.2">2.2。平行压气机性能和增强</h5> <p>传统的并行性能的压缩机模型可以总结在图<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig2/" target="_blank">2</一个>,d我年代tort我on-expressed级的影响是扭曲之间的差异和清洁行业冲击压力比和质量流量。进气畸变线性影响冲击压力损失比率。直接影响的原因可以追溯到入口总压出口静压,作为“扭曲”行业压力比等于冲击压力比在整个过程。因此,任何损失由于进气总压畸变的“扭曲”行业相匹配的亏损压力比“干净”,与线性效果如图<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig2/" target="_blank">2</一个>。另一方面,非线性行为表现出的压缩机质量流量。“干净”的行业压力比与非空间的质量流量通过压缩机速度线的形状和梯度下考虑。因此,窒息的压缩机在低压力比不允许质量流的线性增加,如图<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig2/" target="_blank">2</一个>。因此,应强调并行压缩结果依赖于考虑地图的形状特征。</p><p>除了变形大小,扭曲的部门的面积有重要影响的性能预测模型,如通过称重传感器和格雷策所讨论的,(<一个href="#B23">23</一个>[]和•里德<一个href="#B8">8</一个>]。这个属性显然是描绘在图<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig3/" target="_blank">3</一个>,并联压缩机提供的预测与实验数据相比•里德(<一个href="#B8">8</一个>]。变得明显的是临界角度的存在。变形的程度,低于这个角度,对冲击压力的负面影响比减少与传统平行压气机理论的预测。原因是并联压缩机提供了一个线性关系的程度被宠坏的部门和冲击压力比损失,因为这是区域两个压缩机之间的平均的结果。为了减少这种overprediction冲击压力比损失,修正建议,基于关键角”<年代vg height="14.5875" id="M13" style="vertical-align:-3.22281pt;width:23.725px;" version="1.1" viewbox="0 0 23.725 14.5875" width="23.725" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.5875)"> <g transform="translate(72,-60.33)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; 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" x="6.2139201" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,130.08,-224.39)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="6.6515961" y="0"> </t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="15.616247" y="0"> 。</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="344.04001" y="0"> (</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="348.20349" y="0"> 9</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="354.45499" y="0"> )</t年代p一个n></text> </g> </g> </svg></span></p> <p>计算出的子午速度是解决上述方程,与质量连续性约束。方程(<一个href="#EEq7">8</一个>)和(<一个href="#EEq7">9</一个>解决了迭代。后第一次猜的流线的曲率,子午速度的径向分布计算叶片前缘。考虑叶片几何形状,速度三角形,熵,焓升计算,叶片后缘的子午速度分布是用于建立质量流量,以检查连续性。迭代收敛是基于质量流量,而廉管道质量流用于确定每个流线的径向位置。</p><p>等熵效率的计算是基于熵的计算代沿着流线由于nonisentropic压缩。压力损失被定义为压力损失系数的函数,包括叶片轮廓损失,冲击损失,和二次损失(转子)。概要文件的损失和冲击损失计算根据(<一个href="#B26">26</一个>根据[],而二次损失计算<一个href="#B27">27</一个>]。</p><p>年代lC模型进行验证(<一个href="#B24">24</一个>,<一个href="#B25">25</一个>)公布的数据,<一个href="#B28">28</一个>,<一个href="#B29">29日</一个>),和良好的定量和定性测量之间的协议和SLC结果已经证明,(<一个href="#B18">18</一个>]。</p><h5 id="sec2.4">2.4。耦合并联压缩机流线曲率(PC-SLC)模型</h5> <p>平行压气机理论的组合与流线曲率法的目标提供一个增强表示粉丝通过合并径向和周向变形模式。在进一步的细节,无量纲地图取代了流线曲率风机模型。结果,在并行压缩迭代过程中,每一段的操作点计算的代码而不是地图插值的结果。</p><p>典型的输入模型径向的进气总压和温度不同周向位置。这些概要文件是美联储的周向平行压缩机段,和牛顿拉富生方法适用于匹配排气静压(径向平均面积)为所有部门<年代p一个ncl一个年代年代=”equation" id="EEq10"> <svg height="47.349998" id="M19" preserveaspectratio="xMaxYMin" style="vertical-align:-0pt;width:700.9375px;" version="1.1" viewbox="0 0 700.9375 47.349998" width="700.9375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,47.35)"> <g transform="translate(72,-34.12)"> <text transform="matrix(1,0,0,-1,157.81,49.43)"> <tspan style="font-size: 12.50px; 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" x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-65.4,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> d</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="4.3759999" y="0"> 我</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="6.8090558" y="0"> 年代</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="10.213584" y="0"> t</t年代p一个n></text> </g> </g> </svg>”是该地区的空气入口平面操作weighted-total inlet-radially区域的压力下,低于平均<年代vg height="14.3375" id="M22" style="vertical-align:-3.21404pt;width:13.45px;" version="1.1" viewbox="0 0 13.45 14.3375" width="13.45" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.3375)"> <g transform="translate(72,-60.53)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-64.52,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n></text> </g> </g> </svg>整个环。因此,这段的数量与最小区域;也就是说,<年代vg height="14.5875" id="M23" style="vertical-align:-3.22282pt;width:29.049999px;" version="1.1" viewbox="0 0 29.049999 14.5875" width="29.049999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.5875)"> <g transform="translate(72,-60.33)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-65.4,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> d</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="4.3759999" y="0"> 我</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="6.8090558" y="0"> 年代</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="10.213584" y="0"> t</t年代p一个n></text> </g> </g> </svg>180°不允许超过2周,而45°扭曲区域将允许8段。</p><h4 id="model-verification/calibration">3所示。模型检定/校准</h4> <p>本研究验证的流线曲率法(<一个href="#B24">24</一个>,<一个href="#B25">25</一个>)统一和径向扭曲的进气流动。此外,平行压气机模型的验证可以在(<一个href="#EEq7">7</一个>)和(<一个href="#EEq7">8</一个>)。进一步比较测量数据和选择”<年代vg height="14.5875" id="M24" style="vertical-align:-3.22281pt;width:23.725px;" version="1.1" viewbox="0 0 23.725 14.5875" width="23.725" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.5875)"> <g transform="translate(72,-60.33)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-65.4,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> c</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="3.8858881" y="0"> r</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="6.9665918" y="0"> 我</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="9.3996477" y="0"> t</t年代p一个n></text> </g> </g> </svg>“对该模型可以进一步提高信心。</p><p>对模型验证的目的,风扇与模型实验数据进行了比较。选择风扇是NASA TP 1294了<一个href="#B20">20.</一个>]。几何数据,然而,由于缺乏可用的输入几何流线曲率法是基于美国宇航局TP 1493的第一阶段两级粉丝。比较这两个球迷在表<一个href="//www.newsama.com/journals/ijrm/2011/182906/tab1/" target="_blank">1</一个>揭示了设计的相似性,使可能的直接比较验证研究的范围包括比较结果从传统也增强平行压气机模型。</p><d我v class="floats-partial-section partial-other-wrapper" data-section="tab1"> <div class="floats-partial-content fig-content-tab1"> <table class="table-group" id="tab1"> <tbody> <tr> <td> <table class="table"> <tbody> <tr> <td class="thead-hr" colspan="3"> <hr></td> </tr> <tr class="thead"> <td align="left"></td> <td align="center">NASATP 1493</td><td一个l我gn="center">NASATP 1294</td></tr><tr> <td class="thead-hr" colspan="3"> <hr></td> </tr> <tr> <td align="left">压力比</td><td一个l我gn="center">1.59</td><td一个l我gn="center">1.574</td></tr><tr> <td align="left">Temp.比率</td><td一个l我gn="center">1.167</td><td一个l我gn="center">1.17</td></tr><tr> <td align="left">等熵效率</td><td一个l我gn="center">0.848</td><td一个l我gn="center">0.816</td></tr><tr> <td align="left">质量流量(千克/秒)</td><td一个l我gn="center">33.248</td><td一个l我gn="center">29.484</td></tr><tr> <td align="left">RPM</td><td一个l我gn="center">16042.8</td><td一个l我gn="center">16100.0</td></tr><tr> <td align="left">提示速度(米/秒)</td><td一个l我gn="center">428.9</td><td一个l我gn="center">424.6</td></tr><tr class="table-tr"> <td colspan="3"> <hr class="tbody-hr"></td> </tr> </tbody> </table></td> </tr> </tbody> </table> </div> <div class="floats-partial-footer"> <div class="floats-partial-caption"> <span class="caption-text">表1</年代p一个n><一个一个r我一个-label="full view" class="caption-partial-url" href="//www.newsama.com/journals/ijrm/2011/182906/tab1/" title="" target="_blank"></a> </div> <div class="floats-partial-caption-text"> 设计点数据的NASA TP1493和NASA TP1294粉丝。</d我v> </div> </div> <p>模型的校准包括圆周的数量的影响的调查部门,从而扭曲的程度部门,为了确定风机的临界角。这个角是预期与结果接近实验数据。关键角对于每一个压缩机,这是独特的,因此,定义为出最佳匹配的一个测量数据,如图<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig3/" target="_blank">3</一个>。这样,模型校准实验结果为进一步使用,如在计算获得进口资料。</p><p>图<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig5/" target="_blank">5</一个>说明总压强进口资料气动入口平面的球迷,为获得<一个href="#B20">20.</一个>]。减少的地区的一步<年代vg height="14.3375" id="M25" style="vertical-align:-3.21404pt;width:13.45px;" version="1.1" viewbox="0 0 13.45 14.3375" width="13.45" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.3375)"> <g transform="translate(72,-60.53)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-64.52,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n></text> </g> </g> </svg>可以注意到由于存在90°范围屏幕上游风扇入口。扭曲的区角”<年代vg height="14.5875" id="M26" style="vertical-align:-3.22282pt;width:29.049999px;" version="1.1" viewbox="0 0 29.049999 14.5875" width="29.049999" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.5875)"> <g transform="translate(72,-60.33)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-65.4,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> d</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="4.3759999" y="0"> 我</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="6.8090558" y="0"> 年代</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="10.213584" y="0"> t</t年代p一个n></text> </g> </g> </svg>”等于120°,畸变指数”<年代vg height="10.325" id="M27" style="vertical-align:-0.0pt;width:13.2875px;" version="1.1" viewbox="0 0 13.2875 10.325" width="13.2875" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.325)"> <g transform="translate(72,-63.74)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> </g> </g> </svg>“7.75%计算。总压强的径向变异是在模型中考虑,和<年代vg height="14.3375" id="M28" style="vertical-align:-3.21404pt;width:13.45px;" version="1.1" viewbox="0 0 13.45 14.3375" width="13.45" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.3375)"> <g transform="translate(72,-60.53)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-64.52,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n></text> </g> </g> </svg>在每一个来自周边地区平均径向位置。因此,高度依赖于圆周行业的数量。一个代表性的例子所示的数字<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig6/" target="_blank">6</一个>和<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig7/" target="_blank">7</一个>四周边行业,径向配置文件已经生成了4个90度圆周行业。</p><d我v class="floats-partial-section partial-carousel-wrapper" data-section="fig5"> <div class="floats-partial-content fig-content-fig5"> <div class="partial-carousel--single-image"> <img alt="" name="182906.fig.005" src="https://static-01.hindawi.com/articles/ijrm/volume-2011/182906/figures/182906.fig.005.jpg"> <br> <strong></strong> </div> </div> <div class="floats-partial-footer"> <div class="floats-partial-caption"> <span class="caption-text">图5</年代p一个n><一个一个r我一个-label="full view" class="caption-partial-url" href="//www.newsama.com/journals/ijrm/2011/182906/fig5/" title="" target="_blank"></a> </div> <div class="floats-partial-caption-text"> <a href="#B20">20.</一个><t一个ble> 进口总压圆周分布,]。</t一个ble> </div> </div> </div> <div class="floats-partial-section partial-carousel-wrapper" data-section="fig6"> <div class="floats-partial-content fig-content-fig6"> <div class="partial-carousel--single-image"> <img alt="" name="182906.fig.006" src="https://static-01.hindawi.com/articles/ijrm/volume-2011/182906/figures/182906.fig.006.jpg"> <br> <strong></strong> </div> </div> <div class="floats-partial-footer"> <div class="floats-partial-caption"> <span class="caption-text">图6</年代p一个n><一个一个r我一个-label="full view" class="caption-partial-url" href="//www.newsama.com/journals/ijrm/2011/182906/fig6/" title="" target="_blank"></a> </div> <div class="floats-partial-caption-text"> <svg height="14.3375" id="M29" style="vertical-align:-3.21404pt" version="1.1" viewbox="0 0 13.45 14.3375" width="13.45" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.3375)"> <g transform="translate(72,-60.53)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-64.52,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n></text> </g> </g> </svg> <table> 径向的入口4-sector并行压缩机。</t一个ble> </div> </div> </div> <div class="floats-partial-section partial-carousel-wrapper" data-section="fig7"> <div class="floats-partial-content fig-content-fig7"> <div class="partial-carousel--single-image"> <img alt="" name="182906.fig.007" src="https://static-01.hindawi.com/articles/ijrm/volume-2011/182906/figures/182906.fig.007.jpg"> <br> <strong></strong> </div> </div> <div class="floats-partial-footer"> <div class="floats-partial-caption"> <span class="caption-text">图7</年代p一个n><一个一个r我一个-label="full view" class="caption-partial-url" href="//www.newsama.com/journals/ijrm/2011/182906/fig7/" title="" target="_blank"></a> </div> <div class="floats-partial-caption-text"> <svg height="14.5875" id="M30" style="vertical-align:-3.22281pt" version="1.1" viewbox="0 0 23.725 14.5875" width="23.725" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.5875)"> <g transform="translate(72,-60.33)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-65.4,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> c</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="3.8858881" y="0"> r</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="6.9665918" y="0"> 我</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="9.3996477" y="0"> t</t年代p一个n></text> </g> </g> </svg> <table> 的影响质量流量和峰值压力比。</t一个ble> </div> </div> </div> <p>使用简单的并联压缩机,有两个或四个圆周部分,和面积加权为每个段入口总压,以作为基线。此外,几个PC-SLC模型使用2、3或4周部门创建、对应部门角度180°,120°和90°,分别。使用各种行业领域提供了一个洞察PC-SLC的性能。此外,不断进<年代vg height="14.3375" id="M31" style="vertical-align:-3.21404pt;width:13.45px;" version="1.1" viewbox="0 0 13.45 14.3375" width="13.45" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.3375)"> <g transform="translate(72,-60.53)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-64.52,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n></text> </g> </g> </svg>为每个圆周分布部门一直比径向分布<年代vg height="14.3375" id="M32" style="vertical-align:-3.21404pt;width:13.45px;" version="1.1" viewbox="0 0 13.45 14.3375" width="13.45" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.3375)"> <g transform="translate(72,-60.53)"> <text transform="matrix(1,0,0,-1,-71.95,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-64.52,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> </t年代p一个n></text> </g> </g> </svg>为了评估径向畸变的影响的解决方案。再进一步,“<年代vg height="14.5875" id="M33" style="vertical-align:-3.22281pt;width:23.725px;" version="1.1" viewbox="0 0 23.725 14.5875" width="23.725" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.5875)"> <g transform="translate(72,-60.33)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-65.4,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> c</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="3.8858881" y="0"> r</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="6.9665918" y="0"> 我</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="9.3996477" y="0"> t</t年代p一个n></text> </g> </g> </svg>“校正应用于对实验数据和基线进行比较。</p><p>压缩机的校准过程包括识别关键角,正如上面所讨论的。为了达到这个目标,关键角变化从90°- 180°,和修正计算根据(<一个href="#EEq6">6</一个>)。由此产生的质量流量和压力比绘制在图<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig7/" target="_blank">7</一个>,作为实验的百分比值<年代p一个ncl一个年代年代=”equation" id="EEq11"> <svg height="41.349998" id="M34" preserveaspectratio="xMaxYMin" style="vertical-align:-0pt;width:700.9375px;" version="1.1" viewbox="0 0 700.9375 41.349998" width="700.9375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,41.35)"> <g transform="translate(72,-38.92)"> <text transform="matrix(1,0,0,-1,65.72,52.75)"> <tspan style="font-size: 12.50px; " x="82.059998" y="-11.04"> </t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="0" y="0"> (</t年代p一个n><t年代p一个n style="font-size: 12.50px; 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" x="10.204832" y="0"> C</t年代p一个n></text> <text transform="matrix(1,0,0,-1,196.37,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> −</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="11.340221" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,220.28,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> E</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="5.3474722" y="0"> x</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="9.7234716" y="0"> p</t年代p一个n></text> <g> <path d="m 147.78,55.87 87.1,0" style="fill:none;stroke:#000000;stroke-width:0.82499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:10;stroke-opacity:1;stroke-dasharray:none"></path> </g> <text transform="matrix(1,0,0,-1,177.74,43.99)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,190.31,40.87)"> <tspan style="font-size: 8.75px; " x="0" y="0"> E</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="5.3474722" y="0"> x</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="9.7234716" y="0"> p</t年代p一个n></text> <text transform="matrix(1,0,0,-1,238.85,52.75)"> <tspan style="font-size: 12.50px; " x="0" y="0"> +</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="12.54" y="-11.04"> </t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="19.966782" y="-11.04"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,268.07,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> P</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="4.8748641" y="0"> C</t年代p一个n></text> <text transform="matrix(1,0,0,-1,278.78,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> −</t年代p一个n></text> <text transform="matrix(1,0,0,-1,284.77,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> 年代</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="4.8661122" y="0"> l</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="10.213584" y="0"> C</t年代p一个n></text> <text transform="matrix(1,0,0,-1,304.09,63.79)"> <tspan style="font-size: 12.50px; " x="0" y="0"> −</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="11.340221" y="0"> </t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="18.767002" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,332.12,60.66)"> <tspan style="font-size: 8.75px; " x="0" y="0"> E</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="5.3474722" y="0"> x</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="9.7234716" y="0"> p</t年代p一个n></text> <g> <path d="m 251.39,55.87 95.32,0" style="fill:none;stroke:#000000;stroke-width:0.82499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:10;stroke-opacity:1;stroke-dasharray:none"></path> </g> <text transform="matrix(1,0,0,-1,283.41,43.99)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="7.4267821" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,300.09,40.87)"> <tspan style="font-size: 8.75px; " x="0" y="0"> E</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="5.3474722" y="0"> x</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="9.7234716" y="0"> p</t年代p一个n></text> <text transform="matrix(1,0,0,-1,347.91,52.75)"> <tspan style="font-size: 12.50px; " x="0" y="0"> 。</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="119.96" y="0"> (</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="124.1235" y="0"> 1</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="130.375" y="0"> 1</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="136.6265" y="0"> )</t年代p一个n></text> </g> </g> </svg></span></p> <p>显然,增加临界角度导致上升的冲击压力比和减少质量流量激增。因此,它是决定表达整体偏差使用(相对误差的总和<一个href="#EEq11">11</一个>)。这种方法导致了一个清晰的最佳区域,如图<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig8/" target="_blank">8</一个>,质量和压力比偏差之和一直密谋反对“<年代vg height="14.5875" id="M35" style="vertical-align:-3.22281pt;width:23.725px;" version="1.1" viewbox="0 0 23.725 14.5875" width="23.725" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.5875)"> <g transform="translate(72,-60.33)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-65.4,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> c</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="3.8858881" y="0"> r</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="6.9665918" y="0"> 我</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="9.3996477" y="0"> t</t年代p一个n></text> </g> </g> </svg>”。的关键角度选择特定的球迷是一个表现出最低的总偏差从实验结果为所有创建的模型,如图<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig8/" target="_blank">8</一个>。从这个图中,从实验数据出现在总偏差”<年代vg height="14.5875" id="M36" style="vertical-align:-3.22281pt;width:23.725px;" version="1.1" viewbox="0 0 23.725 14.5875" width="23.725" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.5875)"> <g transform="translate(72,-60.33)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-65.4,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> c</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="3.8858881" y="0"> r</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="6.9665918" y="0"> 我</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="9.3996477" y="0"> t</t年代p一个n></text> </g> </g> </svg>“130°。这个值是用于对各种模型进行比较。</p><d我v class="floats-partial-section partial-carousel-wrapper" data-section="fig8"> <div class="floats-partial-content fig-content-fig8"> <div class="partial-carousel--single-image"> <img alt="" name="182906.fig.008" src="https://static-01.hindawi.com/articles/ijrm/volume-2011/182906/figures/182906.fig.008.jpg"> <br> <strong></strong> </div> </div> <div class="floats-partial-footer"> <div class="floats-partial-caption"> <span class="caption-text">图8</年代p一个n><一个一个r我一个-label="full view" class="caption-partial-url" href="//www.newsama.com/journals/ijrm/2011/182906/fig8/" title="" target="_blank"></a> </div> <div class="floats-partial-caption-text"> <svg height="14.5875" id="M37" style="vertical-align:-3.22281pt" version="1.1" viewbox="0 0 23.725 14.5875" width="23.725" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.5875)"> <g transform="translate(72,-60.33)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-65.4,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> c</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="3.8858881" y="0"> r</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="6.9665918" y="0"> 我</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="9.3996477" y="0"> t</t年代p一个n></text> </g> </g> </svg> <table> 偏离实验数据与“”。</t一个ble> </div> </div> </div> <p>总比较实验数据中包含数字<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig9/" target="_blank">9</一个>和<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig10/" target="_blank">10</一个>,压力比和效率的变化Δ(效率)策划反对修正单位面积上的质量流量和几个结论提取。</p><d我v class="floats-partial-section partial-carousel-wrapper" data-section="fig9"> <div class="floats-partial-content fig-content-fig9"> <div class="partial-carousel--single-image"> <img alt="" name="182906.fig.009" src="https://static-01.hindawi.com/articles/ijrm/volume-2011/182906/figures/182906.fig.009.jpg"> <br> <strong></strong> </div> </div> <div class="floats-partial-footer"> <div class="floats-partial-caption"> <span class="caption-text">图9</年代p一个n><一个一个r我一个-label="full view" class="caption-partial-url" href="//www.newsama.com/journals/ijrm/2011/182906/fig9/" title="" target="_blank"></a> </div> <div class="floats-partial-caption-text"> <table> 100%的攻击速度:压力比的理论和实验结果。</t一个ble> </div> </div> </div> <div class="floats-partial-section partial-carousel-wrapper" data-section="fig10"> <div class="floats-partial-content fig-content-fig10"> <div class="partial-carousel--single-image"> <img alt="" name="182906.fig.0010" src="https://static-01.hindawi.com/articles/ijrm/volume-2011/182906/figures/182906.fig.0010.jpg"> <br> <strong></strong> </div> </div> <div class="floats-partial-footer"> <div class="floats-partial-caption"> <span class="caption-text">图10</年代p一个n><一个一个r我一个-label="full view" class="caption-partial-url" href="//www.newsama.com/journals/ijrm/2011/182906/fig10/" title="" target="_blank"></a> </div> <div class="floats-partial-caption-text"> <table> 100% speedline:等熵效率增量理论和实验结果。</t一个ble> </div> </div> </div> <p>比较“干净”的速度行显示实验和数值结果吻合良好,尤其是在near-surge地区。这形成了一个坚实的基础为比较各种模型的保证金损失激增。如图<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig9/" target="_blank">9</一个>标准并行压缩机和PC-SLC水平和没有径向分布表现出类似的冲击压力损失比例。这是因为比圆周径向畸变相对较低。另一方面,标准的并行压缩机展品更低水平的效率损失,根据图<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig10/" target="_blank">10</一个>从PC-SLC非常接近,而效率预测实验结果。图<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig9/" target="_blank">9</一个>显示,另外,第二模型之间的显著差异,其余。发生这种情况是因为低压领域大于周向畸变的程度。因此,压痕平均总压强高压力导致低失真包括地区(平均高值)。</p><p>的实现”<年代vg height="14.5875" id="M38" style="vertical-align:-3.22281pt;width:23.725px;" version="1.1" viewbox="0 0 23.725 14.5875" width="23.725" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,14.5875)"> <g transform="translate(72,-60.33)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,-65.4,60.47)"> <tspan style="font-size: 8.75px; " x="0" y="0"> c</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="3.8858881" y="0"> r</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="6.9665918" y="0"> 我</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="9.3996477" y="0"> t</t年代p一个n></text> </g> </g> </svg>“修正走势波动极限实验值,因为它显然是如图<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig9/" target="_blank">9</一个>和<一个href="//www.newsama.com/journals/ijrm/2011/182906/fig10/" target="_blank">10</一个>。特别是模型3和4部门(包括在一个部门低入口压力)的整个地区,纠正时,躺在附近波动极限的实际价值(压力比质量流量和等熵效率)。这给了一个强大的信心使用PC-SLC模型的预测失真对风扇性能的影响至少以定性的方式<年代p一个ncl一个年代年代=”equation" id="EEq12"> <svg height="33.512501" id="M39" preserveaspectratio="xMaxYMin" style="vertical-align:-0pt;width:700.9375px;" version="1.1" viewbox="0 0 700.9375 33.512501" width="700.9375" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,33.5125)"> <g transform="translate(72,-45.19)"> <text transform="matrix(1,0,0,-1,125.43,57.21)"> <tspan style="font-size: 12.50px; " x="84.730003" y="-9.2299995"> </t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="0" y="0"> Δ</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="11.102664" y="0"> (</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="15.266163" y="0"> e</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="20.817495" y="0"> ffi</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="31.219992" y="0"> c</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="36.771324" y="0"> 我</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="40.247158" y="0"> e</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="45.798489" y="0"> n</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="52.049988" y="0"> c</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="57.601322" y="0"> y</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="63.852821" y="0"> )</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="71.492157" y="0"> =</t年代p一个n></text> <text transform="matrix(1,0,0,-1,216.42,63.31)"> <tspan style="font-size: 8.75px; " x="0" y="0"> c</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="3.8858881" y="0"> l</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="6.318944" y="0"> e</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="10.204832" y="0"> 一个</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="14.09072" y="0"> n</t年代p一个n></text> <text transform="matrix(1,0,0,-1,238.16,66.44)"> <tspan style="font-size: 12.50px; " x="0" y="0"> −</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="11.340221" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,255.75,63.31)"> <tspan style="font-size: 8.75px; " x="0" y="0"> d</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="4.3759999" y="0"> 我</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="6.8090558" y="0"> 年代</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="10.15232" y="0"> t</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="12.567872" y="0"> o</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="16.943872" y="0"> r</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="20.050833" y="0"> t</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="22.483889" y="0"> e</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="26.369776" y="0"> d</t年代p一个n></text> <g> <path d="m 210.16,60.33 76.84,0" style="fill:none;stroke:#000000;stroke-width:0.82499999;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:10;stroke-opacity:1;stroke-dasharray:none"></path> </g> <text transform="matrix(1,0,0,-1,235.97,48.46)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> <text transform="matrix(1,0,0,-1,242.22,45.33)"> <tspan style="font-size: 8.75px; " x="0" y="0"> c</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="3.8858881" y="0"> l</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="6.318944" y="0"> e</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="10.204832" y="0"> 一个</t年代p一个n><t年代p一个n style="font-size: 8.75px; " x="14.09072" y="0"> n</t年代p一个n></text> <text transform="matrix(1,0,0,-1,288.19,57.21)"> <tspan style="font-size: 12.50px; " x="0" y="0"> 。</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="179.67999" y="0"> (</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="183.84351" y="0"> 1</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="190.095" y="0"> 2</t年代p一个n><t年代p一个n style="font-size: 12.50px; " x="196.3465" y="0"> )</t年代p一个n></text> </g> </g> </svg></span></p> <h4 id="conclusions">4所示。结论</h4> <p>提出了一个方法来评估进气畸变的影响在航空发动机的风扇通过流线曲率模型的耦合与平行压气机理论。风扇环圆周领域划分根据平行压气机理论,而每个部门使用流线曲率法建模。通过这种方式,高度非均匀入口流模式对风扇性能的影响可以评估,提高对涡扇发动机在进气畸变行为的理解。</p><p>每个压缩机的关键角是一个独特的参数。因此,必须仔细选择临界角由于强烈影响它对喘振线转移的预测。</p><p>PC-SLC方法是一个绩效评估工具,可以集成在一个0 d燃气轮机性能的代码。通过这种方式,分析引擎可以实现对进气畸变,使燃气轮机性能工程师评估安装发动机的性能从初步设计阶段。</p><h4 id="nomenclature">命名法</h4> <table class="gloss-abbr" style="font-size:12px"> <tbody> <tr> <td align="left"><i>答:</我></td><td一个lign="left">区域[m<年代up>2</年代up>]</td></tr><tr> <td align="left"><i>M:</我></td><td一个lign="left">质量流量(千克/秒)</td></tr><tr> <td align="left"><i>病人:</我></td><td一个lign="left">压力(Pa)</td></tr><tr> <td align="left"><i>公关:</我></td><td一个lign="left">压力比</td></tr><tr> <td align="left"><i>问:</我></td><td一个lign="left">Q-function,无量纲质量流量</td></tr><tr> <td align="left"><i>师:</我></td><td一个lign="left">温度(T)</td></tr></tbody> </table> <h4 id="greek">希腊</h4> <table class="gloss-abbr" style="font-size:12px"> <tbody> <tr> <td align="left"> <svg height="10.7375" id="M40" style="vertical-align:-0.13794pt;width:7.9875002px;" version="1.1" viewbox="0 0 7.9875002 10.7375" width="7.9875002" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.7375)"> <g transform="translate(72,-63.41)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> </g> </g> </svg><i>:</我></td><td一个lign="left"><i>P<年代ub>t</年代ub></i>(Pa)<我>/101325</我>(P一个)</td></tr><tr> <td align="left"> <svg height="10.7375" id="M41" style="vertical-align:-0.13794pt;width:8.3125px;" version="1.1" viewbox="0 0 8.3125 10.7375" width="8.3125" xmlns="http://www.w3.org/2000/svg"> <g transform="matrix(1.25,0,0,-1.25,0,10.7375)"> <g transform="translate(72,-63.41)"> <text transform="matrix(1,0,0,-1,-71.95,63.6)"> <tspan style="font-size: 12.50px; " x="0" y="0"> </t年代p一个n></text> </g> </g> </svg>:</td><td一个l我gn="left">部门的角度</td></tr><tr> <td align="left"><i>θ</我>:</td><td一个l我gn="left"><i>T<年代ub>t</年代ub></i>[K]<我>/288。15</我>[K]</td></tr></tbody> </table> <h4 id="subscripts">下标</h4> <table class="gloss-abbr" style="font-size:12px"> <tbody> <tr> <td align="left">清洁:</td><td一个l我gn="left">不失真,“清洁”</td></tr><tr> <td align="left">致命一击:</td><td一个l我gn="left">至关重要的</td></tr><tr> <td align="left">经销:</td><td一个l我gn="left">扭曲了,“被宠坏的”</td></tr><tr> <td align="left"><i>我:</我></td><td一个lign="left">入口</td></tr><tr> <td align="left"><i>师:</我></td><td一个lign="left">总</td></tr></tbody> </table> <h4 id="superscripts">标</h4> <table class="gloss-abbr" style="font-size:12px"> <tbody> <tr> <td align="left">”:</td><td一个l我gn="left">纠正。</td></tr></tbody> </table> </div> <div class="xml-content"> <h4 class="references" id="references">引用</h4> <ol> <li id="B1">p·沃尔什和p·弗莱彻,<我>燃气轮机性能</我>布莱克威尔,第二版,2004年版。<年代p一个ncl一个年代年代=”refl我nks"></span></li> <li id="B2">h . i . h . 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Pachidis&author=P. Pilidis&author=F. Talhouarn&author=A. Kalfas&author=&author=I. Templalexis&publication_year=2006" target="_blank">谷歌学术搜索</一个></年代p一个n></li> <li id="B20">n . l .桑格”1.57的性能压力比跨声速风扇阶段screen-induced 90 o环形进气流动变形,“NASA-TN-D 8163, 1976。<年代p一个ncl一个年代年代=”refl我nks">视图:<一个href="https://scholar.google.com/scholar_lookup?title=Performance%20of%20a%201.57-pressure-ratio%20transonic%20fan%20stage%20with%20a%20screen-induced%2090o%20circumferential%20inlet%20flow%20distortion&author=N. L. Sanger&publication_year=1976" target="_blank">谷歌学术搜索</一个></年代p一个n></li> <li id="B21">n . a . Cumpsty<我>压缩机空气动力学</我>朗文集团,朗文科学与技术,英国,1989年。<年代p一个ncl一个年代年代=”refl我nks"></span></li> <li id="B22">j . Seddon和e·l·戈德史密斯<我>摄入空气动力学</我>,柯林斯,伦敦,英国,1985年。<年代p一个ncl一个年代年代=”refl我nks"></span></li> <li id="B23">j.p.称重传感器和e·m·格雷策<我>稳定和暂态性能预测的燃气涡轮发动机</我>183年AGARD系列讲座,进气畸变效应的影响在飞机推进系统集成,1992。<年代p一个ncl一个年代年代=”refl我nks"></span></li> <li id="B24">诉Pachidis,<我>先进燃气轮机性能仿真</我>英国克兰菲尔德大学博士论文,2006年。<年代p一个ncl一个年代年代=”refl我nks"></span></li> <li id="B25">Templalexis,<我>涡轮性能以扭曲的输入流</我>英国克兰菲尔德大学博士论文,2006年。<年代p一个ncl一个年代年代=”refl我nks"></span></li> <li id="B26">w . c .天鹅“实际的压气机性能预测方法,”<我>电力工程杂志》上</我>卷,86年,第330 - 322页,1961年。<年代p一个ncl一个年代年代=”refl我nks">视图:<一个href="https://scholar.google.com/scholar_lookup?title=A%20practical%20method%20of%20predicting%20transonic-compressor%20performance&author=W. C. Swan&publication_year=1961" target="_blank">谷歌学术搜索</一个></年代p一个n></li> <li id="B27">h·r·Griepentrog“轴流压缩机,二次流损失”<我>AGARD系列讲座</我>,没有。1970年39岁。<年代p一个ncl一个年代年代=”refl我nks">视图:<一个href="https://scholar.google.com/scholar_lookup?title=Secondary%20flow%20losses%20in%20axial%20compressors&author=H. R. Griepentrog&publication_year=1970" target="_blank">谷歌学术搜索</一个></年代p一个n></li> <li id="B28">d . c . Urasek w·t·戈雷尔,w . s . Cunnan”两级风机的性能low-aspect-ratio,第一级转子叶片,”nasa技术报告78 - 49 - tp - 1493, 1979。<年代p一个ncl一个年代年代=”refl我nks">视图:<一个href="https://scholar.google.com/scholar_lookup?title=Performance%20of%20two-stage%20fan%20having%20low-aspect-ratio,%20first-stage%20rotor%20blading&author=D. C. Urasek&author=W. T. Gorrell&author=&author=W. S. Cunnan&publication_year=1979" target="_blank">谷歌学术搜索</一个></年代p一个n></li> <li id="B29">j·f·施密特和r . s .最近“性能有或没有进气径向畸变的跨声速风扇设计阶段降低加载提示地区“NASA-TP 1294, 1978。<年代p一个ncl一个年代年代=”refl我nks">视图:<一个href="https://scholar.google.com/scholar_lookup?title=Performance%20with%20and%20without%20inlet%20radial%20distortion%20of%20a%20transonic%20fan%20stage%20designed%20for%20reduced%20loading%20in%20the%20tip%20region&author=J. F. Schmidt &author=R. S. Ruggeri&publication_year=1978" target="_blank">谷歌学术搜索</一个></年代p一个n></li> </ol> </div> <div class="xml-content"> <h4 class="copyright" id="copyright">版权</h4> <p>版权©2011年乔治·Doulgeris等。这是一个开放的分布式下文章<一个rel=”l我cen年代e”href="http://creativecommons.org/licenses/by/3.0/">知识共享归属许可</一个>,它允许无限制的使用、分配和复制在任何媒介,提供最初的工作是正确引用。</p></d我v> </div> </article> </div> </div> </div> <div id="related-articles" class="biblio__Wrapper-sc-1nou1lz-0 eyHfWh journal_article__BiblioIntegratorWidget-sc-12fk6zy-5 dbAANp article_widget biblioWrapper hide"> <hr> <h4 class="biblio__H4-sc-1nou1lz-2 becpDt hrTitleRef">更多相关文章</h4>对本文没有相关内容可用。<d我v id="biblio_widget" class="biblio__BiblioWrapper-sc-1nou1lz-1 qBdVJ"></div> </div> </div> </div> <div class="threeColumn__RightWrapper-sc-1bf4078-2 jzTMLK rightWrapper" id="rightSectionMenu"> <div> <div class="journal_article__ArticleStickyTopToolbar-sc-12fk6zy-0 gbrQxi article_sticky_top_toolbar"> <div class="sc-cBdUnI hRnXob article_top_toolbar"> <a class="sc-htpNat bUhGXt link sc-jtRfpW dUABlg sc-exkUMo hymroZ pdf_desktop button__group" href="//www.newsama.com/downloads/journals/ijrm/2011/182906.pdf" aria-label="" target="_blank" id="toolbar__dcNavSmall"><span><img alt="" class="sc-EHOje jOLhQl sc-kTUwUJ eujois" title="" role="presentation" src="https://static-01.hindawi.com/next_assets/EOR5BK0GkVsxWG8Cyh5LP/_next/static/node_modules/hindawi-ui/src/icon/svg/pdf.svg" height="24"><span class="text">PDF</年代p一个n></年代p一个n><span class="sc-htoDjs bqeMOy sc-dqBHgY cQgXqt fileArrow icon-colored _3P4iUn1NDM5G77nWCamJ4l icon-themeable" title="" font-size="20"></span></a> <a class="sc-htpNat bUhGXt link sc-jtRfpW dUABlg sc-kcDeIU cbcyj ref_desktop" href="//www.newsama.com/journals/ijrm/2011/182906.ris" aria-label="" target="" id="toolbar__dcNavLarge"><span><img alt="" class="sc-EHOje jOLhQl sc-kTUwUJ eujois" title="" role="presentation" 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height="24"><span class="text">下载引用</年代p一个n></年代p一个n><span class="sc-htoDjs bqeMOy sc-dqBHgY cQgXqt fileArrow icon-colored _3P4iUn1NDM5G77nWCamJ4l icon-themeable" title="" font-size="20"></span></a> <a class="sc-htpNat bUhGXt link sc-jtRfpW dUABlg sc-BngTV hmDWcT ref_desktop" href="//www.newsama.com/journals/ijrm/2011/182906.ris" aria-label="" target="" id="toolbar__dcNavSmall"><span><img alt="" class="sc-EHOje jOLhQl sc-kTUwUJ eujois" title="" role="presentation" src="data:image/svg+xml;base64,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" height="24"><span class="text">引用</年代p一个n></年代p一个n><span class="sc-htoDjs bqeMOy sc-dqBHgY cQgXqt fileArrow icon-colored _3P4iUn1NDM5G77nWCamJ4l icon-themeable" title="" font-size="20"></span></a> </div> </div> <div class="journal_article__ArticleStickyBottomToolbar-sc-12fk6zy-1 isgRZA article_sticky_bottom_toolbar"> <div class="sc-cTjmhe ihmyEq article_bottom_toolbar"> <div class="sc-cugefK itFKcQ accordion" property="background-color" color="#D8D8D8" id="toolbar__dofNav"> <span><img alt="" class="sc-EHOje jOLhQl sc-bfYoXt cGuwDn" title="" role="presentation" 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height="24"><span class="sc-dRFtgE jrsDZP">下载其他格式</年代p一个n><年代p一个ncl一个年代s="sc-gkFcWv gWTCXQ">更多的</年代p一个n></年代p一个n> <span class="sc-htoDjs bMdQcY sc-gbOuXE jGPvPL icon-colored _1CwL9R82TPl2HxDleeYGDR icon-themeable" title="" font-size="11"></span> </div> <div class="sc-fnwBNb etzuBr"> <a class="sc-htpNat bUhGXt link sc-iNhVCk gWgCNb open_panel" href="//www.newsama.com/downloads/journals/ijrm/2011/182906.epub" aria-label="ePub" property="background-color" color="#D8D8D8"> <div class="sc-eAKXzc WHkfb"> ePub</d我v><img alt="" class="sc-EHOje jOLhQl sc-bfYoXt cGuwDn" title="" role="presentation" src="data:image/svg+xml;base64,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" 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height="24"><span class="sc-dRFtgE jrsDZP">订单打印副本</年代p一个n><年代p一个ncl一个年代s="sc-gkFcWv gWTCXQ">订单</年代p一个n></年代p一个n><span class="sc-htoDjs kNoiZu sc-gbOuXE jGPvPL right__icon icon-colored _32KP5uexH-Bgs7Kj8Gk1Tz icon-themeable" title="" font-size="16"></span></a> <div class="sc-hBbWxd kdRRST"> <div class="sc-dyGzUR cHatnS"> <div> 的观点<年代p一个n>1721年年</年代p一个n></d我v> <div> 下载<年代p一个n>1296年年</年代p一个n></d我v> </div> <div> <div class="sc-drKuOJ kxdGAZ"> <span class="__dimensions_badge_embed__" data-doi="10.1155/2011/182906" data-style="small_circle"></span>引用</d我v> </div> </div> <nav class="sc-bRBYWo fXBKFa sc-hUfwpO jHPgUP" id="toolbar__iconNav"> <h3 class="sc-Rmtcm hNPrIr">分享文章</h3> <ul class="sc-hzDkRC bnbfTS"> <li class="iconBorder"><a class="sc-htpNat bUhGXt link" href="https://twitter.com/share?url=https://doi.org/10.1155/2011/182906&via=Hindawi" aria-label="Sharing on Twitter" rel="noopener noreferrer" target="_blank"><img alt="" class="sc-EHOje jOLhQl socialTwitter" title="" 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