STABILITY ANALYSIS OF SLOWLY DIVERGENT SWIRLINGFLOW (I)——THEORY

Applied Mathematics and Mechanics (English Edition) ›› 1995, Vol. 16 ›› Issue (11): 1047-1054.

STABILITY ANALYSIS OF SLOWLY DIVERGENT SWIRLINGFLOW (I)——THEORY

夏南, 尹协远

Department of Modern Mechanies, University of Science and Technology of China, Hefei 230026, P. R. China

收稿日期:1993-07-19 出版日期:1995-11-18 发布日期:1995-11-18
基金资助:
Project supported by National Science Foundation of China

STABILITY ANALYSIS OF SLOWLY DIVERGENT SWIRLINGFLOW (I)——THEORY

Xia Nan, Yin Xieyuan

Department of Modern Mechanies, University of Science and Technology of China, Hefei 230026, P. R. China

Received:1993-07-19 Online:1995-11-18 Published:1995-11-18
Supported by:
Project supported by National Science Foundation of China

摘要/Abstract

摘要： The stability of inviscid incompressible swirling flow with slowly divergence is investigated A multiple scale expansion is used to develop a linear stability study of slowly divergent swirling flow with non-axisymmetric disturbances The differental equations of zero-order and first-order disturbance module and governing equation of amplitude variation due to slowly divergent flow are derved The plaschko s equation for slowly divergent swirl-free jet has been extended to slowly divergent flow with swirlin the present study.

关键词: stabilty, swirling flow, vortex flow

Abstract: The stability of inviscid incompressible swirling flow with slowly divergence is investigated A multiple scale expansion is used to develop a linear stability study of slowly divergent swirling flow with non-axisymmetric disturbances The differental equations of zero-order and first-order disturbance module and governing equation of amplitude variation due to slowly divergent flow are derved The plaschko s equation for slowly divergent swirl-free jet has been extended to slowly divergent flow with swirlin the present study.

Key words: stabilty, swirling flow, vortex flow

夏南;尹协远. STABILITY ANALYSIS OF SLOWLY DIVERGENT SWIRLINGFLOW (I)——THEORY[J]. Applied Mathematics and Mechanics (English Edition), 1995, 16(11): 1047-1054.

Xia Nan;Yin Xieyuan. STABILITY ANALYSIS OF SLOWLY DIVERGENT SWIRLINGFLOW (I)——THEORY[J]. Applied Mathematics and Mechanics (English Edition), 1995, 16(11): 1047-1054.

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STABILITY ANALYSIS OF SLOWLY DIVERGENT SWIRLINGFLOW (I)——THEORY

STABILITY ANALYSIS OF SLOWLY DIVERGENT SWIRLINGFLOW (I)——THEORY

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