不同导叶张数对双向竖井贯流泵装置影响的受力分析
【目的】研究竖井贯流泵装置在不同导叶片数影响下的受力情况。【方法】本文采用CFD方法，以某工程双向竖井贯流泵装置为研究对象，利用TurboGrid和Icem进行网格划分，基于RNG k-ε湍流模型，对4、5、6、8片导叶片数的双向泵装置在-2°安装角度下分别取0.85Q、Q、1.15Q的流量工况进行数值计算和试验研究。【结果】正反向运行情况下，导叶片数为4、5、6、8片的情况下泵装置轴向受力平均值接近，当导叶片数与叶片数成倍数关系时，轴向力脉动峰值显著增大，影响装置安全运行；叶轮径向受力均较小，可以忽略对工程的影响。将导叶片数设置为偶数时，可降低导叶受到的径向合力。【结论】在实际设计生产过程中...
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| Veröffentlicht in: | Guanʻgai paishui xuebao 2023-03, Vol.42 (3), p.82-89 |
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| container_title | Guanʻgai paishui xuebao |
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| creator | LIN, Pengcheng Zhou, BAI TANG Fangping ZHANG Yedong ZHENG, Bin WANG, Yong |
| description | 【目的】研究竖井贯流泵装置在不同导叶片数影响下的受力情况。【方法】本文采用CFD方法，以某工程双向竖井贯流泵装置为研究对象，利用TurboGrid和Icem进行网格划分，基于RNG k-ε湍流模型，对4、5、6、8片导叶片数的双向泵装置在-2°安装角度下分别取0.85Q、Q、1.15Q的流量工况进行数值计算和试验研究。【结果】正反向运行情况下，导叶片数为4、5、6、8片的情况下泵装置轴向受力平均值接近，当导叶片数与叶片数成倍数关系时，轴向力脉动峰值显著增大，影响装置安全运行；叶轮径向受力均较小，可以忽略对工程的影响。将导叶片数设置为偶数时，可降低导叶受到的径向合力。【结论】在实际设计生产过程中，应当避免使导叶片数与叶片数成倍数关系。 |
| doi_str_mv | 10.13522/j.cnki.ggps.2021445 |
| format | Article |
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Zhou, BAI ; TANG Fangping ; ZHANG Yedong ; ZHENG, Bin ; WANG, Yong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p1281-e639ee19e2490c4d3162eb48c697a2ce7a54b27c231c53b9e2f30113583193d23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>chi ; eng</language><creationdate>2023</creationdate><topic>Axial flow pumps</topic><topic>Axial forces</topic><topic>Computational fluid dynamics</topic><topic>Fluid dynamics</topic><topic>Fluid flow</topic><topic>Guide vanes</topic><topic>Hydrodynamics</topic><topic>Impact analysis</topic><topic>Integers</topic><topic>K-epsilon turbulence model</topic><topic>Turbulence models</topic><topic>Water flow</topic><topic>Working conditions</topic><toplevel>online_resources</toplevel><creatorcontrib>LIN, Pengcheng</creatorcontrib><creatorcontrib>Zhou, BAI</creatorcontrib><creatorcontrib>TANG Fangping</creatorcontrib><creatorcontrib>ZHANG Yedong</creatorcontrib><creatorcontrib>ZHENG, Bin</creatorcontrib><creatorcontrib>WANG, Yong</creatorcontrib><collection>ProQuest Central (Corporate)</collection><collection>Agricultural Science Collection</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Agricultural Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>Guanʻgai paishui xuebao</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>LIN, Pengcheng</au><au>Zhou, BAI</au><au>TANG Fangping</au><au>ZHANG Yedong</au><au>ZHENG, Bin</au><au>WANG, Yong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>不同导叶张数对双向竖井贯流泵装置影响的受力分析</atitle><jtitle>Guanʻgai paishui xuebao</jtitle><date>2023-03-01</date><risdate>2023</risdate><volume>42</volume><issue>3</issue><spage>82</spage><epage>89</epage><pages>82-89</pages><issn>1672-3317</issn><abstract>【目的】研究竖井贯流泵装置在不同导叶片数影响下的受力情况。【方法】本文采用CFD方法，以某工程双向竖井贯流泵装置为研究对象，利用TurboGrid和Icem进行网格划分，基于RNG k-ε湍流模型，对4、5、6、8片导叶片数的双向泵装置在-2°安装角度下分别取0.85Q、Q、1.15Q的流量工况进行数值计算和试验研究。【结果】正反向运行情况下，导叶片数为4、5、6、8片的情况下泵装置轴向受力平均值接近，当导叶片数与叶片数成倍数关系时，轴向力脉动峰值显著增大，影响装置安全运行；叶轮径向受力均较小，可以忽略对工程的影响。将导叶片数设置为偶数时，可降低导叶受到的径向合力。【结论】在实际设计生产过程中，应当避免使导叶片数与叶片数成倍数关系。</abstract><cop>Xinxiang City</cop><pub>Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage</pub><doi>10.13522/j.cnki.ggps.2021445</doi><tpages>8</tpages></addata></record> |
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| subjects | Axial flow pumps Axial forces Computational fluid dynamics Fluid dynamics Fluid flow Guide vanes Hydrodynamics Impact analysis Integers K-epsilon turbulence model Turbulence models Water flow Working conditions |
| title | 不同导叶张数对双向竖井贯流泵装置影响的受力分析 |
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