An Experimental Investigation of Heat Transfer From a Spray Cooled Isothermal Cylinder

[+] Author and Article Information
J. W. Hodgson

Mechanical and Aerospace Engineering Department, The University of Tennessee, Knoxville, Tenn.

R. T. Saterbak

Technical Division, Humble Oil and Refining Co., Baytown, Texas

J. E. Sunderland

Mechanical and Aerospace Engineering Department, North Carolina State University, Raleigh, N. C.

J. Heat Transfer 90(4), 457-463 (Nov 01, 1968) (7 pages) doi:10.1115/1.3597542 History: Received August 09, 1967; Revised March 02, 1968; Online August 25, 2011


The local and overall heat transfer around a horizontal, isothermal, circular cylinder exposed to a crossflow of a water-in-air spray has been determined experimentally. The investigation involved a closed loop wind tunnel in which a spray nozzle and an electrically heated test cylinder were located. The rate of heat transfer was measured for free stream air Reynolds numbers of 30,000, 75,000, and 118,000; the water-to-air mass flow ratios varied from 0 to 0.13. Results indicate that two-component heat transfer coefficients may be thirty times those of single-component (air) flow.

Copyright © 1968 by ASME
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