Numerical Research on the Coherent Structure in the Viscoelastic Second-Order Mixing Layers

Yu Zhaosheng; Lin Jianzhong

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Article Navigation > Applied Mathematics and Mechanics > 1998 > 19(8): 671-677

Yu Zhaosheng, Lin Jianzhong. Numerical Research on the Coherent Structure in the Viscoelastic Second-Order Mixing Layers[J]. Applied Mathematics and Mechanics, 1998, 19(8): 671-677.

Citation:

Yu Zhaosheng, Lin Jianzhong. Numerical Research on the Coherent Structure in the Viscoelastic Second-Order Mixing Layers[J]. Applied Mathematics and Mechanics, 1998, 19(8): 671-677.

Citation:

Yu Zhaosheng, Lin Jianzhong. Numerical Research on the Coherent Structure in the Viscoelastic Second-Order Mixing Layers[J]. Applied Mathematics and Mechanics, 1998, 19(8): 671-677.

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Numerical Research on the Coherent Structure in the Viscoelastic Second-Order Mixing Layers

Yu Zhaosheng¹,
Lin Jianzhong²

1.
Department of Mechanics, State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, P. R. China

Received Date: 1996-12-14
Rev Recd Date: 1998-02-27
Publish Date: 1998-08-15

Abstract

Abstract

Numerical simulations have been performed in time-developing plane mixing layers of the viscoelastic second-order fluids with pseudo-spectral method.Roll-up,pairing and merging of large eddies were examined at high Reynolds numbers and low Deborah numbers.The effect of viscoelastics on the evolution of the large coherent structure was shown by making a comparison between thesecond-order and Newtonian fluids at the same Reynolds numbers.
- mixing layer,
- viscoelastic second-order fluids,
- numerical simulation,
- pseudo-spectral method,
- coherent structure

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References(5)

References

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