A NON-ISOTROPIC MULTIPLE-SCALE TURBULENCE MODEL

Applied Mathematics and Mechanics (English Edition) ›› 1991, Vol. 12 ›› Issue (10): 981-991.

A NON-ISOTROPIC MULTIPLE-SCALE TURBULENCE MODEL

陈谦斌¹, 郭宽良²

1. Department of Chemical Engineering, University of Alabama in Huntsville, Huntsville, AL 35899 U.S.A.;
2. Department of Engineering Thermophysics.Unviersity of Science and Technology of China, Hefei

收稿日期:1990-10-15 出版日期:1991-10-18 发布日期:1991-10-18

A NON-ISOTROPIC MULTIPLE-SCALE TURBULENCE MODEL

Chen C.P.¹, Guo Kuan-Hang²

1. Department of Chemical Engineering, University of Alabama in Huntsville, Huntsville, AL 35899 U.S.A.;
2. Department of Engineering Thermophysics.Unviersity of Science and Technology of China, Hefei

Received:1990-10-15 Online:1991-10-18 Published:1991-10-18

摘要/Abstract

摘要： This paper describes a newly developednon-isotropic multiple-scale turbulence model (MS/ASM) for complex flow calculations. This model focuses on the direct modeling of Reynolds stresses and utilizes split-spectrum concepts to model multiple-scale effects in turbulence. Validation studies on free shear flows, rotating flows and recirculating flows show that the current model performs significantly better than the single-scale k-e model. The present model is relatively inexpensive in terms of CPU time which makes in suitable for broad engineering flow applications.

关键词: turbulence model, multiple-scale, non-isotropic

Abstract: This paper describes a newly developednon-isotropic multiple-scale turbulence model (MS/ASM) for complex flow calculations. This model focuses on the direct modeling of Reynolds stresses and utilizes split-spectrum concepts to model multiple-scale effects in turbulence. Validation studies on free shear flows, rotating flows and recirculating flows show that the current model performs significantly better than the single-scale k-e model. The present model is relatively inexpensive in terms of CPU time which makes in suitable for broad engineering flow applications.

Key words: turbulence model, multiple-scale, non-isotropic

陈谦斌;郭宽良. A NON-ISOTROPIC MULTIPLE-SCALE TURBULENCE MODEL[J]. Applied Mathematics and Mechanics (English Edition), 1991, 12(10): 981-991.

Chen C.P.;Guo Kuan-Hang. A NON-ISOTROPIC MULTIPLE-SCALE TURBULENCE MODEL[J]. Applied Mathematics and Mechanics (English Edition), 1991, 12(10): 981-991.

参考文献

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A NON-ISOTROPIC MULTIPLE-SCALE TURBULENCE MODEL

A NON-ISOTROPIC MULTIPLE-SCALE TURBULENCE MODEL

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