Shell-and-Tube Side Heat Transfer Augmentation by the Use of Wall Radiation in a Crossflow Shell-and-Tube Heat Exchanger

[+] Author and Article Information
Y. Yamada, M. Akai

Mechancial Engineering Laboratory, Tsukuba Science City, Ibaraki-ken, Japan

Y. Mori

Tokyo Institute of Technology, Oh-okayama, Meguro-ku, Tokyo, Japan

J. Heat Transfer 106(4), 735-742 (Nov 01, 1984) (8 pages) doi:10.1115/1.3246746 History: Received April 21, 1983; Online October 20, 2009


The heat transfer performance of a crossflow shell-and-tube heat exchanger for high-temperature use in which heat transfer is augmented by the use of wall radiation in both shell and tube sides, is studied. Radiation plates are inserted in the shell side, and twisted cross-tapes in the tube side. Overall heat transfer coefficients are measured to be about a maximum 80 percent larger than those without radiation, where the inlet temperatures of the hot gas range up to 800 °C, while those of the cold gas are about room temperature. Analytical results agree well with experimental results, and an approximate calculation procedure is found to be simple and accurate enough for practical use.

Copyright © 1984 by ASME
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