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Longitudinal Dispersion in a Natural Formed Meandering Channel

Author(s): I. Guymer; J. Boxall; A. Marion; R. Potter; P. Trevisan; M. Bellinello; P. Dennis

Linked Author(s): Ian Guymer

Keywords: Dispersion; Open channel flow; River mixing; Sinuous channels; Pollution

Abstract: Results are presented from a laboratory experiment conducted on a large-scale channel with meander planform geometry of natural cross-section, generated by flow over a mobile bed. These have been used to quantify longitudinal dispersion. A comparison between standard and optimised values of travel time and dispersion parameters is presented. The variation in parameters throughout the meander cycle is illustrated and values compared with previously published values for laboratory channels with regular cross-sections.


Year: 1999

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