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Influence of Pressure Gradient on the Nonlocalized Receptivity of Boundary Layers

  • J. D. Crouch
Part of the International Union of Theoretical and Applied Mechanics book series (IUTAM)

Abstract

The nonlocalized receptivity of Falkner-Skan boundary layers is analyzed. An acoustic disturbance in the free stream interacts with a surface-generated disturbance to excite the natural boundary-layer instabilities. Results for the streamwise evolution of disturbances are presented along with receptivity amplitudes. The results show that favorable pressure gradients give rise to slightly larger receptivity amplitudes, over a narrower band of surface wave numbers. Conversely, adverse pressure gradients produce slightly smaller receptivity amplitudes, over a broader band of surface wave numbers.

Keywords

Adverse Pressure Gradient Wavy Surface Nonlocalized Receptivity Favorable Pressure Gradient Zero Pressure Gradient 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag, Berlin Heidelberg 1994

Authors and Affiliations

  • J. D. Crouch
    • 1
  1. 1.Boeing Commercial Airplane GroupSeattleUSA

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