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RESEARCH PAPERS

Heat and Mass Transfer From a Streaming Hot Saline Water in an Enclosure Partitioned by an Active Baffle

[+] Author and Article Information
D. Njomo, R. Tchinda

Department of Physics, University of Yaoundé, P. O. Box 7268, Yaoundé, Cameroon

E. Kaptouom

Department of Mechanical Engineering, E. N. S. P., P. O. Box 8390, Yaoundé, Cameroon

J. Sol. Energy Eng 118(3), 177-182 (Aug 01, 1996) (6 pages) doi:10.1115/1.2870918 History: Online February 14, 2008

Abstract

Equations describing heat and mass exchanges in a closed cavity with hot saline water streaming on its base and partitioned by an externally cooled flat heat exchanger are numerically solved. The results obtained show that an increase of inlet saline water temperature or mass flow rate increases the heat and mass transfer between evaporation and condensation surfaces. Furthermore, external cooling of the condensation surface contributes significantly to the increase of these exchanges. Our theoretical analysis is in reasonably good agreement with experimental results published in the literature for the practical heat exchange fluxes encountered in solar stills.

Copyright © 1996 by The American Society of Mechanical Engineers
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