Prastowo, Tjipto; Griffiths, Ross; Hughes, Graham; Hogg, Andrew
 Buoyancy-driven, hydraulically controlled two-layer exchange flows were established in a laboratory flume with a lateral constriction and a bottom sill placed at its midpoint. The shear flow was unstable within the constriction, and the overall amount of turbulent mixing was determined from measurements of vertical density profiles after the exchange. The potential energy changes are used to evaluate the mixing efficiency (or flux Richardson number), defined as the fraction of the available...[Show more]
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