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RESEARCH PAPERS: Heat Transfer Enhancement

Heat Transfer Through an Extended Surface Containing He II

[+] Author and Article Information
S. W. Van Sciver

Mechanical Engineering Department, FAMU-FSU College of Engineering, National High Magnetic Field Laboratory, 1800 E. Paul Dirac Drive, Tallahassee, FL 32310

J. Heat Transfer 121(1), 142-147 (Feb 01, 1999) (6 pages) doi:10.1115/1.2825927 History: Received January 06, 1997; Revised July 30, 1998; Online December 05, 2007

Abstract

A semi-analytic solution for the heat transfer process between a He II pressurized bath and a saturated tube-type heat exchanger is presented. The problem is modeled with an extended surface heat transfer formulation analogous to that in conventional conduction. The process is governed by Kapitza conductance and counterflow within the bulk fluid in the tube. The resulting nonlinear differential equation may be integrated for the special case of constant properties, yielding a simple solution applicable to design and analysis of practical heat exchangers.

Copyright © 1999 by The American Society of Mechanical Engineers
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