Research on the Effect of Particle of Two-Dimensional Shear Flow

LIN Jian-zhong; SHI Xing; YU Zhao-sheng

Volume 21 Issue 8

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Article Navigation > Applied Mathematics and Mechanics > 2000 > 21(8): 771-776

LIN Jian-zhong, SHI Xing, YU Zhao-sheng. Research on the Effect of Particle of Two-Dimensional Shear Flow[J]. Applied Mathematics and Mechanics, 2000, 21(8): 771-776.

Citation:

LIN Jian-zhong, SHI Xing, YU Zhao-sheng. Research on the Effect of Particle of Two-Dimensional Shear Flow[J]. Applied Mathematics and Mechanics, 2000, 21(8): 771-776.

Citation:

LIN Jian-zhong, SHI Xing, YU Zhao-sheng. Research on the Effect of Particle of Two-Dimensional Shear Flow[J]. Applied Mathematics and Mechanics, 2000, 21(8): 771-776.

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Research on the Effect of Particle of Two-Dimensional Shear Flow

1.
Department of Mechanics, Zhejiang University, Hangzhou 310027, P R China;
2.
Hangzhou Institute of Applied Engineering, Hangzhou 310012, P R China

Received Date: 1999-04-07
Rev Recd Date: 2000-03-01
Publish Date: 2000-08-15

Abstract

Abstract

The two-way coupling model was adopted to study the two-dimensional gas-solid mixing layer. The flow was simulated by pseudo-spectral method and particles were traced with Lagrangian method. It is found that the concentration and the Stokes number of the particles have distinct effect on the flow not only accounting for the influence of the flow on the particles, but also the particles' counteraction on the flow. The particles accelerate the dispersion of the vorticity and inhibit the variance of the flow and diminish the intensity of the coherent structure. The lifetime of the vortex is shortened. The pattern of particles' distribution is similar to the results from one-way coupling model.
- gas-solid flow,
- shear layer,
- coherent structures,
- two-way coupling

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References(6)

References

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