Direct Contact Convection Between Liquid Jets and Air in Crossflow

[+] Author and Article Information
Kamal-Eldin Hassan, Mohamed A. Hilal

Mechanical Engineering Department, Cairo University, Cairo, Egypt

J. Heat Transfer 96(2), 210-213 (May 01, 1974) (4 pages) doi:10.1115/1.3450166 History: Received August 24, 1974; Online August 11, 2010


Direct contact, or fluid-to-fluid heat convection in the absence of mass transfer is investigated experimentally. A large number of hot liquid jets were cooled by a cross stream of air. It was found that the heat flux thus exchanged is significantly less than that had the jets been enclosed in thin tubes of equal diameter, but larger than the heat flux due to pure conduction in the liquid jets. The results are presented in terms of the usual dimensionless criteria.

Copyright © 1974 by ASME
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