应用于非惯性系湍流模拟的扩展内禀旋转张量

黄于宁; 马晖扬

应用于非惯性系湍流模拟的扩展内禀旋转张量

黄于宁¹,
马晖扬²

1.
北京大学湍流和复杂系统国家重点实验室,北京100871;2.中国科学院研究生院物理学院,北京 100049

详细信息

作者简介:
黄于宁(1961- ),男,广东人,教授,博士(E-mail:yuninghuang@yahoo.com);马晖扬(联系人.Tel:+86-10-88256351).

中图分类号: O357.5
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出版历程
- 收稿日期: 2008-06-10
- 修回日期: 2008-10-05
- 刊出日期: 2008-11-15

The Extended Intrinsic Mean Spin Tensor for Turbulence Modelling in a Non-Inertial Frame of Reference

HUANG Yu-ning¹,
MA Hui-yang²

1.
State Key Laboratory for Turbulence and Complex Systems, Peking University, Beijing 100871, P. R. China;

摘要

摘要: 研究扩展内禀旋转张量在非惯性系湍流模拟中的作用，特别是对代数Reynolds应力湍流模式(如非线性K-ε模式)的重要性．为此，采用几个近年来发展的非线性K-ε湍流模式模拟旋转坐标系下均匀剪切湍流，并且和大涡模拟的结果进行比较．计算结果和分析表明，需要发展更先进的非线性K-ε模式从而更好地描述非惯性系下的复杂湍流．
- 湍流模拟 /
- 非惯性系 /
- 扩展内禀旋转张量 /
- 代数Reynolds应力张量
Abstract: The role of the extended intrinsic mean spin tensor introduced for turbulence modelling in a non-inertial frame of reference which is described by the Euclidean group of transformations and, in particular, its significance and importance in the approach of the algebraic Reynolds stress modelling, such as in a nonlinear Kepsilon model is investigated. To this end and for illustration of the effect of the extended intrinsic spin tensor on turbulence modelling, several recently developed nonlinear Kepsilon models were examined and their performance in predicting the homogeneous turbulent shear flow in a rotating frame of reference with the LES data was compared. The results and analysis indicate that only if the deficiencies of these models and the like be well understood in detail and be properly corrected, may in the near future more sophisticated nonlinear Kepsilon models be developed to better predict the complex turbulent flows in a non-inertial frame of reference.
- turbulence modelling /
- non-inertial frame ofreference /
- extended intrinsic mean spin tensor /
- frame-dependent

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参考文献(27)

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应用于非惯性系湍流模拟的扩展内禀旋转张量

作者简介:
黄于宁(1961- ),男,广东人,教授,博士(E-mail:yuninghuang@yahoo.com);马晖扬(联系人.Tel:+86-10-88256351).

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The Extended Intrinsic Mean Spin Tensor for Turbulence Modelling in a Non-Inertial Frame of Reference

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应用于非惯性系湍流模拟的扩展内禀旋转张量

作者简介: 黄于宁(1961- ),男,广东人,教授,博士(E-mail:yuninghuang@yahoo.com);马晖扬(联系人.Tel:+86-10-88256351).

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出版历程

The Extended Intrinsic Mean Spin Tensor for Turbulence Modelling in a Non-Inertial Frame of Reference

计量

出版历程

目录

作者简介:
黄于宁(1961- ),男,广东人,教授,博士(E-mail:yuninghuang@yahoo.com);马晖扬(联系人.Tel:+86-10-88256351).