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On the two‐dimensional stability of the axisymmetric Burgers vortex

 

作者: A. Prochazka,   D. I. Pullin,  

 

期刊: Physics of Fluids  (AIP Available online 1995)
卷期: Volume 7, issue 7  

页码: 1788-1790

 

ISSN:1070-6631

 

年代: 1995

 

DOI:10.1063/1.868495

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The stability of the axisymmetric Burgers vortex solution of the Navier–Stokes equations to two‐dimensional perturbations is studied numerically up to Reynolds numbers,R=&Ggr;/2&pgr;&ngr;, of order 104. No unstable eigenmodes for azimuthal mode numbersn=1,..., 10 are found in this range of Reynolds numbers. Increasing the Reynolds number has a stabilizing effect on the vortex. ©1995 American Institute of Physics.

 

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