Research Article
Apr 1981
Variation of Karman Constant in Sediment-Laden Flow
Author: Shang-yi WangAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 107, Issue 4
Abstract
Based on the principle of energy balance and the effective power of suspension-load, a formula for calculating the Karman Constant K in sediment-laden flow is presented. The calculating formula may be used in practice. According to the variablity of sediment effective power, We, the influence of the characteristics of suspension-load on K is as follows: when We is greater than zero, the value of K decreases with the increase of concentration of suspension-load C (mean value); when the value of We<0, the value of K increases with the increase of C (mean value); and when the value of We = 0, the variablity of K has no relation with the value of C (mean value) directly.
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Published In
Journal of the Hydraulics Division
Volume 107 • Issue 4 • April 1981
Pages: 407 - 417
Copyright
© 1981 American Society of Civil Engineers.
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Published in print: Apr 1981
Published online: Feb 3, 2021
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Shang-yi Wang
Assoc. Prof., Dept. of Hydr. Engrg., Tianjin Univ., Tianjin, China
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