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TECHNICAL BRIEFS

Application of Direct Evaporative Coolers for Improving the Energy Efficiency of Air-Cooled Chillers

[+] Author and Article Information
F. W. Yu, K. T. Chan

Department of Building Services Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China

J. Sol. Energy Eng 127(3), 430-433 (Jul 20, 2005) (4 pages) doi:10.1115/1.1866144 History: Received March 24, 2004; Revised July 14, 2004; Online July 20, 2005
Copyright © 2005 by ASME
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References

Chan,  K. T., and Yu,  F. W., 2002, “Part Load Efficiency of Air-Cooled Multiple-Chiller Plant,” Build. Services Eng. Res. Technol., 23(1), pp. 29–39.
Chan,  K. T., and Yu,  F. W., 2002, “Applying Condensing-Temperature Control in Air-Cooled Reciprocating Water Chillers for Energy Efficiency,” Appl. Energy, 72, pp. 565–581.
Zhang,  H., You,  S. J., Yang,  H. X., and Niu,  J. L., 2000, “Enhanced Performance of Air-Cooled Chillers Using Evaporative Cooling,” Build. Services Eng. Res. Technol., 21(4), pp. 213–217.
Bom,  G. J., Foster,  R., Dijkstra,  E., and Tummers,  M., 1999, Evaporative Air-Conditioning: Applications for Environmentally Friendly Cooling (World Bank Technical Paper No. 421, Energy Series), World Bank, DC, Washington.
Liu,  M., Song,  L., Wei,  G., and Claridge,  D. E., 2004, “Simplified Building and Air-Handling Unit Model Calibration and Applications,” J. Sol. Energy Eng., 126, pp. 601–609.
Solar Energy Laboratory, 2000, TRNSYS: A Transient System Simulation Program (Reference manual), University of Wisconsin-Madison Press, WI, Madison.
Chan,  K. T., and Yu,  F. W., 2004, “Optimum Set Point of Condensing Temperature for Air-Cooled Chillers,” Int. J. HVAC&R Research,10(2), pp. 113–127.
Yu,  F. W., and Chan,  K. T., 2004, “Condensing Temperature Control to Enhance the Efficiency of Air-Cooled Chillers,” Build. Services Eng. Res. Technol., 25(4), pp. 279–294.
Yu, F. W., and Chan, K. T., 2004, “Reducing the Condensing Temperature to Improve the Efficiency of Air-Cooled Chillers,” Proceedings of the 3rd International Symposium on Heat Transfer Enhancement and Energy Conservation, 12–15 January, Vol. 1, pp. 180–185, South China University of Technology Press, Guangzhou.

Figures

Grahic Jump Location
Refrigeration cycle of the modeled chiller

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