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Browse Air Conditioning and Refrigeration Center (ACRC) by Title
Now showing items 311-317 of 317
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(Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 1992-09)Liquid refrigerant/oil concentrations in a flowing system were monitored using speed of sound and temperature measurements. Data were taken for R12 with 3GS and 5GS oils and an R-134a/Ester mixture with concentrations ...
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(Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 2001-12)Scuffing is a very complex process, without a clear understanding of the fundamental causes behind its occurrence. It is clear that there are many factors that affect this process, but it is only through obtaining an ...
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(Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 2005-06)Improved heat exchanger performance is extremely important in air-conditioning and refrigeration systems, since it can lead directly to volume, weight, energy, and cost savings. The air-side heat transfer coefficient is ...
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(Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 2007-08)A method is described for fabricating controlled micro-scale, topographical features on aluminum surfaces for the purpose of exploiting those features to affect the surface wettability. Using a photolithographic approach, ...
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(Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 1997-05)Vapor-liquid equilibria (VLE) data were obtained over a wide range of mixture composition and saturation conditions for difluoromethane (R-32) mixed with a polyol ester oil (POE). These data were correlated using the ...
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(Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 2000-12)An experimental investigation of pressure drop and void fraction in aluminum microchannel tubes was conducted for a variety of flow conditions. Primary fluids of interest are refrigerants, R134a and R41OA. The microchannel ...
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Vortex Generation as an Air-Side Enhancement Method for Frosted-Surface Heat Exchanger Performance (Air Conditioning and Refrigeration Center. College of Engineering. University of Illinois at Urbana-Champaign., 2003-12)Longitudinal vortex generation is a technique for enhancing heat transfer and can be accomplished by placing small flow manipulators on the fin surface of a heat exchanger. This technique is of particular benefit ...
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Now showing items 311-317 of 317