Converging Kinematic Wave Flow
Publication: Journal of Irrigation and Drainage Engineering
Volume 141, Issue 8
Abstract
The governing equation for converging kinematic wave (KW) flow was derived and compared with laboratory measurement and field tests. The key factors for converging KW flows are found to be excess rainfall depth, surface slope in the radial flow direction, and converging geometry in terms of fan angle and radius. Although the complete analytical solutions for KW flow rate and depth on a converging surface are not yet found in this study, the peak flow under equilibrium condition has been derived for the prediction of design flow. The numerical solution provides a deterministic approach to predict the KW water surface profile on a converging surface. This new method will definitely improve the current practice for determing the boundaries of a floodplain on a converging alluvial fan and the radial flow patterns towards a culvert entrance.
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Information & Authors
Information
Published In
Journal of Irrigation and Drainage Engineering
Volume 141 • Issue 8 • August 2015
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Mar 13, 2014
Accepted: Dec 15, 2014
Published online: Jan 20, 2015
Discussion open until: Jun 20, 2015
Published in print: Aug 1, 2015
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