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RESEARCH PAPERS

Gradient Layer Entrainment in a Thermohaline System With Mixed Layer Circulation

[+] Author and Article Information
F. P. Incropera, C. E. Lents, R. Viskanta

School of Mechanical Engineering, Purdue University, W. Lafayette, IN 47907

J. Sol. Energy Eng 108(4), 267-274 (Nov 01, 1986) (8 pages) doi:10.1115/1.3268105 History: Received October 01, 1985; Online November 11, 2009

Abstract

Entrainment of salt-stratified fluid into a bottom mixed layer is investigated under conditions for which mixing is driven by bottom heating and/or an imposed horizontal flow. Entrainment rate measurements and mixed layer flow visualization suggest that entrainment is strongly influenced by a shear mechanism involving both horizontal and vertical fluid velocity components. Under certain conditions, imposition of the horizontal flow inhibits the buoyancy flow and entrainment rates for combined mixing are less than those for pure buoyant mixing. Attempts to correlate entrainment rates in terms of conventional dimensionless parameters were unsuccessful.

Copyright © 1986 by ASME
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