Weakly Compressible Descriptions of Turbulence in Compressible Flows
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Author | : |
Publisher | : |
Total Pages | : 0 |
Release | : 2000 |
ISBN-10 | : OCLC:946637744 |
ISBN-13 | : |
Rating | : 4/5 (44 Downloads) |
Book Synopsis Weakly Compressible Descriptions of Turbulence in Compressible Flows by :
Book excerpt: Weakly compressible asymptotlcs and direct numerical simulation are used to investigate the effects of compressibility or high speed turbulent shear layers. The asymptotic analysis leads to a decomposition procedure that can be used to approximately determine the acoustic and nonacoustic components of a compressible flow. In boundary layers, it is found that the acoustic fluctuations are only weakly coupled to the nonacoustic, so equations describing only the nonacoustic fluctuations ((incompressible, variable density) would provide a good description of the turbulence.