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Generation of wind waves
Processes of wind-wave generation are examined in light of recent theoretical work by several applied mathematicians; measurements of air pressure fluctuations over wind waves in laboratory tanks are presented, and existence of phase shift between air pressure fluctuations and water surface fluctuations (waves) is demonstrated through cross-spectral analysis of two simultaneous records; physical significance of measurements and related theories is discussed, and relative significance of normal-pressure power transfer vs shear-stress power transfer is estimated; measured growth rates are compared, in one instance, with those predicted by Miles' theory, and found to be in fair agreement; finally, some of limitations of existing theories are considered.
Generation of wind waves
Processes of wind-wave generation are examined in light of recent theoretical work by several applied mathematicians; measurements of air pressure fluctuations over wind waves in laboratory tanks are presented, and existence of phase shift between air pressure fluctuations and water surface fluctuations (waves) is demonstrated through cross-spectral analysis of two simultaneous records; physical significance of measurements and related theories is discussed, and relative significance of normal-pressure power transfer vs shear-stress power transfer is estimated; measured growth rates are compared, in one instance, with those predicted by Miles' theory, and found to be in fair agreement; finally, some of limitations of existing theories are considered.
Generation of wind waves
ASCE -- Proc (J Waterways Harbor Div)
Wiegel, R.L. (author) / Cross, R.H. (author)
1966
26 pages
Article (Journal)
English
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