Experimental data and analytical predictions for air/liquid mist jet cooling of small heat sources are presented. The mist jet was created using a coaxial jet atomizer, with a liquid jet of diameter 190 μm located on the axis of an annular air jet of diameter 2 mm. The impingement surface was a square of side 6.35 mm. Experimental data were obtained with mists of both methanol and water. Surface-averaged heat fluxes as high as 60 W/cm2 could be dissipated with the methanol/air mist while maintaining the target surface below 70°C. With the water/air mist, a heat flux of 60 W/cm2 could be dissipated with the target surface at 80°C. Major trends in the data and model predictions have been explained in terms of the underlying hydrodynamic and heat transfer phenomena.
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Experimental and Theoretical Studies of Mist Jet Impingement Cooling
K. M. Graham,
K. M. Graham
Heat Transfer Laboratory, School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907
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S. Ramadhyani
S. Ramadhyani
Heat Transfer Laboratory, School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907
Search for other works by this author on:
K. M. Graham
Heat Transfer Laboratory, School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907
S. Ramadhyani
Heat Transfer Laboratory, School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907
J. Heat Transfer. May 1996, 118(2): 343-349 (7 pages)
Published Online: May 1, 1996
Article history
Received:
January 1, 1995
Revised:
February 1, 1996
Online:
December 5, 2007
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Citation
Graham, K. M., and Ramadhyani, S. (May 1, 1996). "Experimental and Theoretical Studies of Mist Jet Impingement Cooling." ASME. J. Heat Transfer. May 1996; 118(2): 343–349. https://doi.org/10.1115/1.2825850
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