Forced-Convection Heat Transfer for Single and Two-Phase Helical Flow in a Solar Receiver

[+] Author and Article Information
F. N. Vafaie

Department of Civil and Mechanical Engineering, Texas A & I University, Kingsville, TX 78363

J. R. Dunn

Department of Mechanical Engineering, Texas Tech University, Lubbock, TX 79409

J. Heat Transfer 108(1), 76-83 (Feb 01, 1986) (8 pages) doi:10.1115/1.3246908 History: Received June 30, 1983; Online October 20, 2009


The heat transfer characteristics of a single-tube, helically coiled receiver for a concentrating solar collector are presented. Heat transfer coefficients were measured for single and two-phase water-steam flow in a helical coil subjected to radiant heating for a range of flow conditions and radiant flux levels. Results are presented for both the local and average heat transfer coefficients in several flow regimes.

Copyright © 1986 by ASME
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