Brief Report
Aug 1973
Determination of Kennedy’s Parameter j for Dunes
Publication: Journal of the Hydraulics Division
Volume 99, Issue 8
Abstract
The purpose of this note is to suggest a method for the evaluation of j when the sand waves are dunes and the flow is sufficiently tranquil. The development of this method enables the use of Kennedy’s expressions to predict sand wave lengths according to his 1963 theory that the dimensionless wave number is a function of the Froude number and of j (a dimensionless quantity). The determination of j rests on the simultaneous considerations of the relations of Kennedy and Yalin for determining Λ. Assuming that the methods of Kennedy and Yalin are equally valid, one can eliminate Λ from the equations and see that j is determined as a certain function of the Reynolds number and the relative skin roughness.
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Published In
Journal of the Hydraulics Division
Volume 99 • Issue 8 • August 1973
Pages: 1287 - 1290
Copyright
© 1973 American Society of Civil Engineers.
History
Published in print: Aug 1973
Published online: Feb 3, 2021
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Authors
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M. Selim Yalin, M.ASCE
Prof., Dept. of Civ. Engrg., Queen’s Univ., Kingston, Canada
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.