Two-layer hydraulics for a co-located crest and narrows

The theory of two-layer hydraulics is extended to topography with co-varying width and height. When these variations of the non-dimensional width and total depth have a power law relationship, the solutions can still be presented in the Froude-number plane for both unidirectional and exchange flows....

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Veröffentlicht in:Journal of fluid mechanics 2008-11, Vol.615, p.169-184
Hauptverfasser: ARMI, LAURENCE, RIEMENSCHNEIDER, ULRIKE
Format: Artikel
Sprache:eng
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Zusammenfassung:The theory of two-layer hydraulics is extended to topography with co-varying width and height. When these variations of the non-dimensional width and total depth have a power law relationship, the solutions can still be presented in the Froude-number plane for both unidirectional and exchange flows. These differ from previous solutions, which were limited to treating width and height variations separately.
ISSN:0022-1120
1469-7645
DOI:10.1017/S0022112008003546