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doi:10.1016/0894-1777(91)90001-8    
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Copyright © 1991 Published by Elsevier Inc.

Turbulent momentum and heat transfer in channel gas flow at high heat loads: A review

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J. VilemasCorresponding Author Contact Information, a, E. Ušpurasa and V. Šimonisa

aInstitute for Physical and Engineering Problems of Energy Research, Lithuanian Academy of Sciences, Kaunas, Lithuania, USSR


Received 9 November 1989; 
revised 17 August 1990. 
Available online 26 February 2003.

Abstract

Recent experimental and computational works on the effects of variable physical properties of gas heat carriers on local heat transfer in channels of different cross sections, on turbulent flow structure, and on the heat transfer mechanism in the stabilized heat transfer region in a tube are reviewed. Recommendations are given with respect to the effect of the variable physical properties of a gas on local heat transfer in smooth or helical tubes and in annular channels equipped with smooth, rough, or helical inner tubes over wide ranges of geometrical and performance parameters. Relations are presented to describe velocity and temperature profiles in smooth tube flow of a gas with variable physical properties. Problems for future study are formulated.

Keywords: turbulent flow; heat transfer; variable physical properties; velocity; temperature; gas; tube; annular channel


Corresponding Author Contact InformationAddress correspondence to Professor-Dr. J. Vilemas, Institute for Physical Engineering Problems of Energy Research, Lithuanian Academy of Sciences, Metalo 4, Kaunas 233684, Luthiania, USSR.

 
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