The Generation of Internal Gravity Waves in a Multilayered Moving Fluid by a Flap-Type Wave Maker

[+] Author and Article Information
M. R. Müller, P. C. Shang

Department of Mechanical and Aerospace Engineering, Rutgers University, New Brunswick, N.J. 08903

J. Appl. Mech 52(2), 247-252 (Jun 01, 1985) (6 pages) doi:10.1115/1.3169035 History: Received December 01, 1983; Online July 21, 2009


Experiments have examined the waveforms generated by a flap-type wave maker in a moving, three-layer fluid. Results show that the observed modulating waveforms could be predicted accurately for low frequencies and that if the two interfaces are sufficiently close together, both mode-one waves (whose amplitude vary in the vertical such that there is only one maximum) and mode-two waves (with a vertical amplitude structure that contains two relative maxima) are generated of similar amplitude. This results in downstream shifts from sinuous to varicose modes of oscillation.

Copyright © 1985 by ASME
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