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Temperature Distribution in a Flowing Fluid Heated in a Microwave Resonant Cavity

Published online by Cambridge University Press:  10 February 2011

J. R. Thomas Jr. ,
Eric M. Nelson ,
Robert J. Kares  and
Ray M. Stringfield
J. R. Thomas Jr.
Affiliation:
Mechanical Engineering Department, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061
Eric M. Nelson
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM 87545
Robert J. Kares
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM 87545
Ray M. Stringfield
Affiliation:
Los Alamos National Laboratory, Los Alamos, NM 87545
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Abstract

This paper presents results of an analytical study of microwave heating of a fluid flowing through a tube situated along the axis of a cylindrical microwave applicator. The interaction of the microwave field pattern and the fluid velocity profiles is illustrated for both laminar and turbulent flow. Resulting temperature profiles are compared with those generated by conventional heating through a surface heat flux. It is found that microwave heating offers several advantages over conventional heating.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 430: Symposium O – Microwave Processing of Materials V , 1996 , 565
Copyright
Copyright © Materials Research Society 1996

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References

1. Nelson, E. M., Kares, R. J., and Stringfield, R. M., “Semi-Analytic Computation of the Driven Fields in Right Circular Cylinder Microwave Applicators”, Proceedings, 30th Microwave Power Symposium, 1995.Google Scholar
1. Bejan, A., Convection Heat Transfer, John Wiley & Sons, New York, 1984.Google Scholar