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The algebraically decaying wall jet. (English) Zbl 1093.76017

Summary: We prove the existence of a self-similar wall jet over a permeable plane surface in the presence of (suitable) lateral suction of the fluid. In contrast to its well-known exponentially decaying counterpart (Glauert jet) formed over an impermeable wall, the suction-controlled wall jet decays algebraically with increasing distance from the wall. However, as the suction becomes vanishingly small, it approaches the profile of the Glauert jet gradually.

MSC:

76D25 Wakes and jets
76D10 Boundary-layer theory, separation and reattachment, higher-order effects
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References:

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