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International Heat Transfer Conference 5

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

HEAT TRANSFER IN COMPOSITE CIRCULAR FINS AT STEADY STATE

Wen-Chi V. Chen
Bechtel Corp., San Francisco, California, U.S.A.

B. J. Fluker
Auburn University, Auburn, Alabama, U.S.A.

DOI: 10.1615/IHTC5.1480
pages 241-245

摘要

This investigation treats analytically heat transfer in circular fins composed of two materials considering radial and transverse temperature variations. The two-dimension Laplace equation is solved by separation of variables and results obtained are compared with those for a single material fin with radial temperature variations only. The one-dimension analysis employs a volumetric average thermal conductivity to approximate the two-material fin. Significant errors in the composite fin heat transfer are found due to neglect of the transverse temperature gradients.

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