Research Article
Dec 1981
Radial Source-Sink Flow in Stratified Ocean
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VIEW THE REPLYPublication: Journal of the Hydraulics Division
Volume 107, Issue 12
Abstract
Proposed ocean thermal energy conversion (OTEC) plants represent large sources of momentum discharging into the stratifies tropical ocean. The mixing characteristics induced by such sources in combination with simultaneous sink flows into the plant intake are considered under the assumption of a discretely stratified ocean with radial symmetry about the OTEC plant. The problem is formulated with radial jet integral equations which account for the loss of jet momentum and for the pressure gradient, both arising from the sink flow action, and for buoyant damping of vertical entrainment. For extreme shallow upper layer conditions or for large momentum sources, the source-sink flow is predicted to break down into a recirculating eddy giving rise to undesirable temperature reductions of the OTEC plant intake. The model predictions are verified in laboratory experiments which have a somewhat different geometry but a similar dynamic interaction. Design considerations and estimates of maximum OTEC plant sizes are given.
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Published In
Journal of the Hydraulics Division
Volume 107 • Issue 12 • December 1981
Pages: 1631 - 1650
Copyright
© 1981 American Society of Civil Engineers.
History
Published in print: Dec 1981
Published online: Feb 3, 2021
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Authors
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Gerhard H. Jirka, M.ASCE
Assoc. Prof., School of Civ. and Environmental Engrg., Cornell Univ., Ithaca, N.Y. 14853
Frank E. Sargent
Research Asst., School of Civ. and Environmental Engrg., Cornell Univ., Ithaca, N.Y. 14853
R. Peter Johnson
Engr., Arctec Inc., Columbia, Md., 21045
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