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Title: Longitudinal dispersion in open channels
Authors: Ahmad, Zulfequar
Kothyari U.C.
Ranga Raju K.G.
Published in: ISH Journal of Hydraulic Engineering
Abstract: Laboratory experiments on longitudinal dispersion in clear-water open channel flows are reported. Analysis of laboratory and field data indicate that the dispersion coefficient is invariant along the length in uniform flows and varies with distance in non-uniform flows. Available predictors for dispersion coefficient are found not to yield realistic value of dispersion coefficient. As such, a new predictor for estimating the dispersion coefficient is proposed in this paper. The temporal variation of pollutant concentration computed using predicted DL value and a numerical scheme previously developed by the authors showed good agreement with the observed temporal variations. ¬© 1999 Taylor & Francis Group, LLC.
Citation: ISH Journal of Hydraulic Engineering(1999), 5(2): 1-21
Issue Date: 1999
Keywords: Conservative pollutant
Dispersion coefficient
Longitudinal dispersion
Mixing length
Open channel
ISSN: 9715010
Author Scopus IDs: 7103092790
Author Affiliations: Ahmad, Z., Dept. of Civil Engg., Thapar Institute of Engg. & Tech., Patiala, Punjab, India
Kothyari, U.C., Dept. of Civil Engg., University of Roorkee, Roorkee, UP, India
Ranga Raju, K.G., Dept. of Civil Engg., University of Roorkee, Roorkee, UP, India
Appears in Collections:Journal Publications [CE]

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