PSE as Applied to Problems of Transition in Compressible Boundary Layers

ZHANG Yong-ming; ZHOU Heng

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ZHANG Yong-ming, ZHOU Heng. PSE as Applied to Problems of Transition in Compressible Boundary Layers[J]. Applied Mathematics and Mechanics, 2008, 29(7): 757-763.

Citation:

ZHANG Yong-ming, ZHOU Heng. PSE as Applied to Problems of Transition in Compressible Boundary Layers[J]. Applied Mathematics and Mechanics, 2008, 29(7): 757-763.

Citation:

ZHANG Yong-ming, ZHOU Heng. PSE as Applied to Problems of Transition in Compressible Boundary Layers[J]. Applied Mathematics and Mechanics, 2008, 29(7): 757-763.

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PSE as Applied to Problems of Transition in Compressible Boundary Layers

ZHANG Yong-ming¹,
ZHOU Heng^2,3

1.
School of Mechanical Engineering, Tianjin University, Tianjin 300072, P. R. China;

Received Date: 2008-05-21
Rev Recd Date: 2008-05-26
Publish Date: 2008-07-15

Abstract

Abstract

A new idea of using the parabolized stability equation(PSE) method to predict the laminarturbulent transition is proposed.It was tested in the prediction of the location of transition for compressible boundary layers on flat plates,and the results were compared with those obtained by direct numerical simulations(DNS).The agreement is satisfactory.The reason for the agreement was found to be that the PSE method does faithfully reproduce the mechanism leading to the breakdown process in laminar-turbulent transition,i.e.the modification of mean flow profile leads to a remarkable change of its stability characteristics.
- parabolized stability equations,
- direct numerical simulations,
- transition,
- breakdown

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References(19)

References

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