THE INSTABILITY OF A LIQUID JET IN A COMPRESSIBLE AIRSTREAM

被引：30

作者：

LI, HS

KELLY, RE

机构：

[1] Department of Mechanical, Aerospace and Nuclear Engineering, University of California, Los Angeles

来源：

PHYSICS OF FLUIDS A-FLUID DYNAMICS | 1992年 / 4卷 / 10期

关键词：

D O I：

10.1063/1.858459

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The instability of a liquid jet immersed in a coflowing compressible airstream has been investigated on the basis of a linear, inviscid stability analysis, assuming uniform velocity profiles within the liquid and gas. Both two-dimensional and circular jets are investigated. Pronounced peaks in the temporal and spatial growth rates occur for values of the free-stream Mach number close to unity. A change from convective to absolute instability also occurs in this transonic flow regime of the gas.

引用

页码：2162 / 2168

页数：7

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