Comparison of Heat Transfer in Solar Collectors With Heat-Pipe Versus Flow-Through Absorbers

[+] Author and Article Information
J. R. Hull

Argonne National Laboratory, Argonne, IL 60439

J. Sol. Energy Eng 109(4), 253-258 (Nov 01, 1987) (6 pages) doi:10.1115/1.3268215 History: Received March 01, 1986; Online November 11, 2009


Analysis of heat transfer in solar collectors with heat-pipe absorbers is compared to that for collectors with flow-through absorbers for systems that produce hot water or other heated fluids. In these applications the heat-pipe absorber suffers a heat transfer penalty compared with the flow-through absorber, but in many cases the penalty can be minimized by proper design at the heat-pipe condenser and system manifold. When the solar collector is used to drive an absorption chiller, the heat-pipe absorber has better heat transfer characteristics than the flow-through absorber.

Copyright © 1987 by ASME
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