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Conference Proceeding by ASHRAE, 1987
D.R. Crum; J.W. Mitchell, Ph.D., P.E.; W.A. Beckman, Ph.D., P.E.
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This paper investigates three sensible air coolers: a single- and a multiple- stage indirect evaporative cooler, and a combination cooling tower/heat exchanger air cooler. Relations and performance characteristics are developed. The single-stage indirect evaporative cooler is capable of cooling inlet air to temperatures approaching the inlet wet-bulb temperature. The multiple-stage indirect evaporative cooler, the heat exchanger/evaporative cooler, and the cooling tower/heat exchanger air coolers are all capable of cooling inlet air to temperatures approaching the inlet dew-point temperature. In the region of air conditioning interest, the coefficients of performance range from 25 for the single-stage indirect evaporative cooler up to 75 for the cooling tower/heat exchanger air cooler.
Units: Dual
Citation: Symposium, ASHRAE Transactions, 1987, vol. 93, pt. 1, New York, NY