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A study on the cooling enhancement of electronic chips using vortex generator
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 Title & Authors
A study on the cooling enhancement of electronic chips using vortex generator
Yu, Seong-Yeon; Ju, Byeong-Su; Lee, Sang-Yun; Park, Jong-Hak;
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 Abstract
Effect of vortex generator on the heat transfer enhancement of electronic chips is investigated using naphthalene sublimation technique. Experiments are performed for a single chip and chip arrays, and shape of vortex generator, position of vortex generator, stream wise chip spacing and air velocity are varied. Local and average heat transfer coefficients are measured on the top surface of simulated electronic chips, and compared with those obtained without vortex generator. In case of a single chip, heat transfer augmentation is seen only on the upstream portion of chip surface, while heat transfer enhancement is found on the whole surface for chip arrays. Rectangular wing type vortex generator is found to be more effective than delta wing.
 Keywords
Electronic Cooling;Vortex Generator;Heat Transfer Enhancement;Naphthalene Sublimation Technique;
 Language
Korean
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