A Non-Linear Transfer Function Description of Wave Growth in a Boundary Layer

  • M. Gaster
Part of the International Union of Theoretical and Applied Mechanics book series (IUTAM)


Linear and quadratic transfer functions relating the velocity fluctuations at a downstream location to an excitation of the flow at some upstream point have been determined by experiment. These functions have then been used to reconstruct the responses arising from various excitations and the results compared with measured hot-wire signals.


Transfer Function Sine Wave Linear Transfer Function Input Excitation White Noise Excitation 
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  1. 1.
    Miksad, R.W.; Kim, Y.C.; Beall, J.M. and Powers, E.J.: Bispectrum and Non-Linear Wave Coupling, Physics of Fluids, 23 (1980) 258–263.CrossRefADSGoogle Scholar

Copyright information

© Springer-Verlag, Berlin, Heidelberg 1985

Authors and Affiliations

  • M. Gaster
    • 1
  1. 1.NMI LtdTeddington, MiddlesexEngland

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