Viscous stability of compressible axisymmetric jets

Philip J. Morris

doi:10.2514/3.8101

Viscous stability of compressible axisymmetric jets

Philip J. Morris

Aerospace Engineering

Research output: Contribution to journal › Article › peer-review

26 Scopus citations

Abstract

Calculations of the viscous, spatial stability characteristics of a compressible axisymmetric jet are presented. The asymptotic solutions to the stability equations in regions of constant mean flow properties are developed and used as the boundary conditions for a numerical integration of the compressible stability equations in cylindrical coordinates. Increasing the Mach number is found to stabilize the flow, as is decreasing the Reynolds number. The helical mode is found to be more unstable than the axisymmetric mode for higher Mach numbers.

Original language	English (US)
Pages (from-to)	481-482
Number of pages	2
Journal	AIAA journal
Volume	21
Issue number	4
DOIs	https://doi.org/10.2514/3.8101
State	Published - Apr 1983

All Science Journal Classification (ASJC) codes

Aerospace Engineering

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10.2514/3.8101

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title = "Viscous stability of compressible axisymmetric jets",

abstract = "Calculations of the viscous, spatial stability characteristics of a compressible axisymmetric jet are presented. The asymptotic solutions to the stability equations in regions of constant mean flow properties are developed and used as the boundary conditions for a numerical integration of the compressible stability equations in cylindrical coordinates. Increasing the Mach number is found to stabilize the flow, as is decreasing the Reynolds number. The helical mode is found to be more unstable than the axisymmetric mode for higher Mach numbers.",

author = "Morris, {Philip J.}",

note = "Funding Information: This work was supported by the NASA Langley Research",

year = "1983",

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N2 - Calculations of the viscous, spatial stability characteristics of a compressible axisymmetric jet are presented. The asymptotic solutions to the stability equations in regions of constant mean flow properties are developed and used as the boundary conditions for a numerical integration of the compressible stability equations in cylindrical coordinates. Increasing the Mach number is found to stabilize the flow, as is decreasing the Reynolds number. The helical mode is found to be more unstable than the axisymmetric mode for higher Mach numbers.

AB - Calculations of the viscous, spatial stability characteristics of a compressible axisymmetric jet are presented. The asymptotic solutions to the stability equations in regions of constant mean flow properties are developed and used as the boundary conditions for a numerical integration of the compressible stability equations in cylindrical coordinates. Increasing the Mach number is found to stabilize the flow, as is decreasing the Reynolds number. The helical mode is found to be more unstable than the axisymmetric mode for higher Mach numbers.

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Viscous stability of compressible axisymmetric jets

Abstract

All Science Journal Classification (ASJC) codes

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