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Research Electronics Cooling Lab

Research and development issues in the area of thermal management and packaging of electronics are addressed in the Electronics Cooling Laboratory, established in 1990 by Dr. Suresh Garimella.

The lab is the research venue for the Cooling Technologies Research Center (CTRC).

New: Visualizations for flow boiling in silicon microchannels

Passive and active cooling technologies using air and liquids are investigated. High-performance methods such as pin-fin and other heat sinks, jet impingement, spray cooling, and microchannel cooling are studied. Experimental setups include separate air and water jet impingement facilities, as well as a closed-loop forced flow facility. The laboratory is well equipped with heat transfer and fluid mechanics instrumentation and computerized data acquisition systems. Besides heat transfer and pressure drop measurements, Laser Doppler Velocimetry, Hot Film Anemometry, Laser Sheet Flow Visualization, Liquid Crystal Thermography, and InfraRed measurements are obtained.

The laboratory is equipped with dedicated workstations (SGI, HP and SUN), as well as a bank of personal computers. Resident in the laboratory is significant expertise in numerical modeling of fluid dynamics and heat transfer processes, with CFD packages such as FLUENT, FEA packages such as Pro/Mechanica, as well as in-house codes. Research findings from the Laboratory have been reported in a number of publications in national and international journals and conference proceedings (list of papers provided below). Industrial funding is obtained from companies such as Cray Research of Chippewa Falls, Wisconsin, and Pycon, Inc. of Santa Clara, California. Graduates of the laboratory have been employed at Motorola, GE, Allen Bradley, Eaton, Pycon, and Cooper Power Systems.

The Laboratory is located in lab 61 of the Mechanical Engineering Building on the campus of Purdue University in West Lafayette, Indiana.

Dr. Garimella also directs the Solidification Heat Transfer Laboratory.

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Photos and Credits

Clockwise from upper left: NSF Fellow Janice Fitzgerald and Dr. Suresh Garimella perform experiments using the liquid jet impingement facility (UWM Media Services); The air jet impingement facility and plots of results obtained using this facility (Brian Storniolo and Luis Brignoni); Flow visualization of liquid jet impingement (Janice Fitzgerald); TSI laser used for Laser-Doppler Velocimetry (LDV) measurements (Michael Guslick). Center: Cray T3E Supercomputer - kept cool by convective heat transfer (SGI/Cray Research).

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