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具有粘性效应的离心叶轮内部完全三元流场的数值模拟

THE CALCULATION CONCERNING VISCIOUS EFFECTS OF FULLY 3D FLOW IN CENTRIFUGAL ROTOR

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【作者】 王宁汪庆桓

【Author】 WANG Ning WANG Qinghuan (Institute of Engjneerig Therznophysics, Academia Sinica, Beijing 100080)

【机构】 中国科学院工程热物理研究所!北京100080

【Abstract】 This paper is to calculate the fully 3D steady flow in a centrifugal rotor by time marching finite volumn method. The use of a nonoverlapping grid makes resulting process simpler,faster, and more accurate. A distributed body force term added in Euler momeotum equtions calculates low energy fiuid by impirical input data so as to simulate viscious effects in real flow with little extra cost of CPU time. Since the flow condition in centrifugal rotor is complex, a jet-wake model usually forms at the impeller exit, it is necessary to adopt 3D computational technique and viscosity should be considered in numerical simulation to reduce the loss of efficience at design.

【关键词】 粘性离心叶轮完全三元流场
【Key words】 visciousfully 3D flowcentrifugal rotor
【基金】 国家攀登计划(B)项目
  • 【文献出处】 工程热物理学报 ,JOURNAL OF ENGINEERING THERMOPHYSICS , 编辑部邮箱 ,1997年05期
  • 【分类号】TB12
  • 【被引频次】4
  • 【下载频次】57
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