Experiments on Arrested Saline Wedge

by John P. Grubert, (F.ASCE), Principal Lecturer of Water Engineer; Dept. of Civ. Engrg., North East London Polytechnic, London, England,


Serial Information: Journal of the Hydraulics Division, 1980, Vol. 106, Issue 6, Pg. 945-960


Document Type: Journal Paper

Abstract: Experimental results are presented which show that the onset of interfacial wave breaking can be expressed by a stability parameter which is a function of the interfacial densimetric Froude number and the interfacial Reynolds number. This parameter is shown to be independent of the flow Reynolds number upstream of a salt wedge and can be scaled to give a stability parameter for prototype flows. Measurements of the rate of mixing at the interface proved that mixing theory based on momentum exchange of turbulent flows is valid as a working hypothesis, and that this mixing is inversely proportional to the relative density.

Subject Headings: Parameters (statistics) | Breaking waves | Reynolds number | Wedges | Flow measurement | Turbulent flow | Froude number | Rivers and streams

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