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Response of shear flows to external disturbances

Multimedia files – 7/13. Response of shear flows to external disturbances. Contents: 1. Acoustic receptivity of laminar separating boundary layer 2. Acoustic receptivity of laminar micro jet. The following examples are visual demonstration

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Response of shear flows to external disturbances

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  1. Multimedia files – 7/13 Response of shear flows to external disturbances Contents: 1. Acoustic receptivity of laminar separating boundary layer 2. Acoustic receptivity of laminar micro jet

  2. The following examples are visual demonstration of strong effects on the flow pattern which can have external perturbations coupled with the shear-layer instabilities

  3. 1. Acoustic receptivity of laminar separating boundary layer (I) Click to play A video clip by V.V. Kozlov, F.-R. Grosche, A.V. Dovgal, H. Bippes, A.Kühn, H. Stiewitt (DLR, Göttingen, 1993) (see page of notes)

  4. 1. Acoustic receptivity of laminar separating boundary layer (II) Click to play A video clip by V.V. Kozlov, F.-R. Grosche, A.V. Dovgal, H. Bippes, A.Kühn, H. Stiewitt (DLR, Göttingen, 1993)

  5. 2. Acoustic receptivity of laminar micro jet (I) Micro jet (left) forced transversally by acoustic waves (right) (see page of notes)

  6. 2. Acoustic receptivity of laminar micro jet (II) Click to play A video clip by Yu.A. Litvinenko, G.R. Grek, V.V. Kozlov, M.V. Litvinenko (2010)

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