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Inicio Archivos Thermal Letter Funcionarios Reuniones futuras Assembly for International Heat Transfer Conferences

ISBN Imprimir: 0-89116-299-2

ISSN: 2377-424X

International Heat Transfer Conference 7
September, 6-10, 1982, Munich, Germany

PRESSURE LOSS AND HEAT TRANSFER THROUGH MULTIPLE ROWS OF SHORT PIN FINS

Get access DOI: 10.1615/IHTC7.1600
pages 137-142

Sinopsis

Results are presented showing performance in terms of pressure loss and heat transfer for arrays of short pin fins set in a high aspect ratio duct. Seven array configurations were fabricated and tested, typical of those used for heat transfer augmentation in gas turbine airfoil cooling. All configurations have uniform regular pin spacing with alternate rows in the streamwise direction staggered one-half the transverse pitch. The short length of the pins dictates that the uncovered duct walls are a significant fraction of the total heat transfer area. Comparison is made between the present short pin results and established tube bank performance where the tube surfaces account for all the heat transfer area.
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