Heat Transfer Experiments in High Aspect Ratio Rectangular Channel With Epoxied Short Pin Fins FREE

[+] Author Affiliations
S. C. Arora, W. Abdel Messeh

Pratt & Whitney Aircraft, Canada, Longueuil, QC, Canada

Paper No. 83-GT-57, pp. V004T09A009; 8 pages
  • ASME 1983 International Gas Turbine Conference and Exhibit
  • Volume 4: Heat Transfer; Electric Power
  • Phoenix, Arizona, USA, March 27–31, 1983
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7954-2
  • Copyright © 1983 by ASME


In an attempt to reduce the cost of testing many configurations of short pin fins in a rectangular channel, a technique has been identified whereby the pins are epoxied to the end wall and can be easily removed to form a new configuration at the end of a test. Analytical and experimental results indicate that the temperature drop across a thin layer of epoxy (∼.005–.006 cm) (K = 22.5 W/m°C) with copper pin and endwalls was less than 1% of the heat transfer surface temperature.

The technique was then used to test 4 pin fin configurations of height to diameter ratio of about unity. The heat transfer results showed excellent agreement with earlier published data, thus confirming the validity of this technique.

Copyright © 1983 by ASME
Topics: Heat transfer , Fins
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