Journal of Fluid Mechanics



A note on the structure of the head of an intrusive gravity current


R. E.  Britter a1 and J. E.  Simpson a2
a1 Department of Engineering, University of Cambridge
a2 Department of Applied Mathematics and Theoretical Physics, University of Cambridge

Article author query
britter re   [Google Scholar] 
simpson je   [Google Scholar] 
 

Abstract

The head of an intrusive flow advancing along the interface between two fluids is studied experimentally when the two layers are of equal depth and the density of the intrusion is the mean of the two densities. The dependence of the flow on the interface thickness and the depth of the intrusion is determined. When the interface is very thin the flow is similar to the nominally inviscid gravity currents observed by Britter & Simpson (1978).

(Published Online April 20 2006)
(Received April 20 1979)
(Revised May 11 1981)



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