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Keywords: spray cooling
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Journal Articles
Article Type: Research-Article
J. Heat Transfer. December 2012, 134(12): 122202.
Published Online: October 5, 2012
... tension gradients [ 53 ] and the contact line motion due to evaporation (receding) and replenishing (advancing) [ 26 ] may increase the heat transfer resulting in higher h film as seen in Fig. 17 . Spray cooling experiments with 33 μm droplet diameter impacting small copper hot substrates were...
Journal Articles
Article Type: Evaporation, Boiling, and Condensation
J. Heat Transfer. July 2012, 134(7): 071503.
Published Online: May 24, 2012
... to be on the order of 1–10 eV, and the applied heat flux is on the order of GW/m 2 . Spray cooling on the macroscale can achieve high heat transfer rates [( 1 )] and therefore appears to offer a good balance of high heat flux removal capability, isothermality, and fluid inventory. Spray cooling is useful...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. October 2011, 133(10): 101504.
Published Online: August 15, 2011
...Bahman Abbasi; Jungho Kim Spray cooling heat transfer measurements of PF-5060 on smooth flat surfaces were obtained using a microheater array operated at constant temperatures using two nozzles (hollow cone and full cone), three nozzle-to-heater standoff distances (3, 5, and 7 mm), four nozzle...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. May 2011, 133(5): 052201.
Published Online: January 31, 2011
...Bahman Abbasi; Jungho Kim One of the main challenges of spray cooling technology is the prediction of local and average heat transfer coefficients on the heater surface. It is hypothesized that the local heat transfer coefficient can be predicted from the local normal pressure produced by the spray...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. December 2009, 131(12): 121007.
Published Online: October 15, 2009
...Suranjan Sarkar; R. Panneer Selvam Thermal management issues have become a major bottleneck for further miniaturization and increased power consumption of electronics. Power electronics require more increasing use of high heat flux cooling technologies. Spray cooling with phase change has...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. November 2008, 130(11): 114501.
Published Online: August 28, 2008
...A. R. Griffin; A. Vijayakumar; R.-H. Chen; K. B. Sundaram; L. C. Chow A heater designed to monitor surface temperature fluctuations during pool boiling and spray cooling experiments while the bubbles are simultaneously being observed has been fabricated and tested. The heat source was a transparent...
Journal Articles
Article Type: Research Papers
J. Heat Transfer. October 2008, 130(10): 101501.
Published Online: August 7, 2008
...Ruey-Hung Chen; David S. Tan; Kuo-Chi Lin; Louis C. Chow; Alison R. Griffin; Daniel P. Rini Droplet and bubble dynamics and nucleate heat transfer in saturated FC-72 spray cooling were studied using a simulation model. The spray cooling system simulated consists of three droplet fluxes impinging...
Journal Articles
Article Type: Technical Briefs
J. Heat Transfer. May 2008, 130(5): 054504.
Published Online: April 10, 2008
.... boiling cooling drops evaporation two-phase flow two phase heat transfer evaporative cooling spray cooling droplet evaporation Nucleate boiling of a liquid on a heated surface is known to be a very effective technique for dissipating a large amount of heat at moderate temperature...
Journal Articles
Article Type: Technical Papers
J. Heat Transfer. August 2007, 129(8): 1052–1059.
Published Online: January 18, 2007
... fins, to the heated surface. In the current work, spray cooling of high-aspect-ratio open microchannels was explored, which substantially increases the total surface area and allows more residence time for the incoming liquid to be heated by the wall. Five such heat sinks were constructed...