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Visualization of flow and heat transfer augmentation by oblique impingement jets
Hideo Kimoto1, Chayut Nuntadusit, Kenji Hamabe
1Graduate School of Engineering Science, Osaka University, Japan. kimoto@me.es.osaka-u.ac.jp
Annals of the New York Academy of Sciences
|December 24, 2002
Abstract:
Various nozzle geometries for impingement cooling jets have recently been devised and favorable designs for cooling effectiveness have been reported. However, impinging flow and the characteristics of impingement cooling are not sufficiently clear. This paper reports on an investigation of impingement jet cooling techniques. The impingement cooling characteristics by oblique jets through a rectangular nozzle have been clarified. Preliminary numerical simulations have not necessarily presented the details of heat transfer characteristics of the oblique jets.