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Computational Research on Rotating Channel by a Modified Anisotropic Turbulence Model

文献类型：期刊论文

作者Zhu, Jianqin1; Tao, Zhi2; Nie, Chaoqun1
刊名JOURNAL OF THERMAL SCIENCE
出版日期2011-10-01
卷号20期号:5页码:385-393
关键词anisotropy turbulence model rotation heat transfer
英文摘要Based on the simplified format of the Reynolds stress equations, a fire-new rotational-modification method for the anisotropic turbulence model has been presented. A three-dimensional Navier-Stokes code with this new rotational modified k-omega turbulence models (beta=0.1 and beta=1) and the standard k-omega turbulence model have been used for the prediction of flow and heat transfer characteristics in a rotating smooth square channel. The Reynolds number Re based on the inlet velocity of the cooling air and hydraulic diameter is 6000. The rotating speed are 300, 600, 900, 1200rpm respectively. The calculations results of using three turbulence models have been compared with the experimental data. The research results show that (1) the rotational modification coefficient Rf(13) used in the new anisotropic k-omega model would increased/decreased the predictions of heat transfer on the trailing surface/leading surface compared to the standard k-omega model. And this tendency would be increased with the increased beta. (2) The simulation performance of the standard k-omega model was well on the leading surface. However, on the trailing surface it under-predicted the heat transfer at high rotating speed. (3) The calculation results of the new anisotropic k-omega model with beta=0.1 proposed by the present paper agreed well with experimental data, both on the leading and trailing surfaces. Besides, compared to 1, 0.1 is a more appropriate magnitude of beta at conditions in the present paper.
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Thermodynamics ; Engineering, Mechanical
研究领域[WOS]Thermodynamics ; Engineering
关键词[WOS]HEAT-TRANSFER ; FLOW ; DUCTS ; PREDICTION
收录类别SCI
语种英语
WOS记录号WOS:000294758100001
公开日期2015-12-22
源URL[http://ir.etp.ac.cn/handle/311046/106502]  
专题工程热物理研究所_中国科学院工程热物理所（论文库）_期刊论文（SCI）
作者单位1.Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China
2.Beihang Univ, Natl Key Lab Aeroengines, Sch Jet Prop, Beijing 100191, Peoples R China
推荐引用方式
GB/T 7714		 Zhu, Jianqin,Tao, Zhi,Nie, Chaoqun. Computational Research on Rotating Channel by a Modified Anisotropic Turbulence Model[J]. JOURNAL OF THERMAL SCIENCE,2011,20(5):385-393.
APA Zhu, Jianqin,Tao, Zhi,&Nie, Chaoqun.(2011).Computational Research on Rotating Channel by a Modified Anisotropic Turbulence Model.JOURNAL OF THERMAL SCIENCE,20(5),385-393.
MLA Zhu, Jianqin,et al."Computational Research on Rotating Channel by a Modified Anisotropic Turbulence Model".JOURNAL OF THERMAL SCIENCE 20.5(2011):385-393.

入库方式： OAI收割

来源：工程热物理研究所

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