Effect of compressibility on the global stability of axisymmetric wake flows

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Meliga, Philippe; Sipp, D.; Chomaz, Jean-Marc;
  • Publisher: Cambridge University Press (CUP)
  • Related identifiers: doi: 10.1017/s002211201000279x
  • Subject: [ SPI.MECA.MEFL ] Engineering Sciences [physics]/Mechanics [physics.med-ph]/Fluids mechanics [physics.class-ph] | [SPI.MECA.MEFL]Engineering Sciences [physics]/Mechanics [physics.med-ph]/Fluids mechanics [physics.class-ph] | [ PHYS.MECA.MEFL ] Physics [physics]/Mechanics [physics]/Mechanics of the fluids [physics.class-ph] | [PHYS.MECA.MEFL]Physics [physics]/Mechanics [physics]/Mechanics of the fluids [physics.class-ph]
    arxiv: Physics::Fluid Dynamics

International audience; We study the linear dynamics of global eigenmodes in compressible axisymmetric wake flows, up to the high subsonic regime. We consider both an afterbody flow at zero angle of attack and a sphere, and find that the sequence of bifurcations destabi... View more
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