Journal
HEAT AND MASS TRANSFER
Volume 48, Issue 9, Pages 1627-1635Publisher
SPRINGER
DOI: 10.1007/s00231-012-1005-y
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- Muffakham Jah College of Engineering and Technology, Hyderabad
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An experimental investigation is carried out to study the enhancement of heat transfer from surface of the electronic components by impingement of a circular air jet. Local and stagnation Nusselt number on the impinged surface of the electronic components are presented for different nozzle configurations. Reynolds number, based on nozzle diameter (d) is varied between 5,500 and 28,500 and nozzle-to-electronic component spacing from 2 to 10 nozzle diameters. The measured data were correlated into a simple equation and compared to the predictions of several other correlations proposed by other researchers. The heat transfer mechanisms involved in the enhanced performance are discussed. The study provides a lot of useful information for the application of impinging jet heat transfer in electronic industry.
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