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An integral equation formulation for boundary element analysis of propagation in viscothermal fluids

 

作者: C. Karra,   M. Ben Tahar,  

 

期刊: The Journal of the Acoustical Society of America  （AIP Available online 1997）
卷期: Volume 102, issue 3  

页码: 1311-1318

 

ISSN:0001-4966

 

年代: 1997

 

DOI:10.1121/1.420050

 

出版商: Acoustical Society of America

 

关键词: FLUIDS;SOUND WAVES;VISCOSITY;THERMAL CONDUCTIVITY;BOUNDARY ELEMENT METHOD;CAVITIES;SIMULATION;TRANSDUCERS

 

数据来源: AIP

 

摘要:

A new variational formulation using integral equations for the resolution of a propagation problem in a viscous and thermally conducting fluid is investigated. Numerical techniques are applied to a geometry of revolution. Results are compared to an analytic solution for a cylindrical cavity filled with air. These results illustrate the effects of viscosity and thermal conductivity of air in the case of micro cavities.

 

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