RESEARCH PAPERS: Falling Film Heat Transfer

Correlations for Film Regeneration and Air Dehumidification for a Falling Desiccant Film With Air in Crossflow

[+] Author and Article Information
M. Park, J. R. Howell, G. C. Vliet

Department of Mechanical Engineering, and Center for Energy Studies, The University of Texas at Austin, Austin, TX 78712-1063

J. Heat Transfer 118(3), 634-641 (Aug 01, 1996) (8 pages) doi:10.1115/1.2822679 History: Received November 22, 1995; Revised May 10, 1996; Online December 05, 2007


The coupled heat and mass transfer between a falling triethylene glycol (TEG) desiccant film and air in crossflow have previously been presented and solved numerically for the cases of regeneration and dehumidification. Here, correlations for the effects of independent variables on the rate of regeneration in the regenerator and on the rate of dehumidification and sensible cooling in the absorber are developed by statistical analysis of the numerical results. The functional correlations developed should be useful in the design of regenerators and absorbers having falling liquid desiccant films and air in crossflow.

Copyright © 1996 by The American Society of Mechanical Engineers
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