Cooling by evaporation of flowing water over a hollow roof

N.K. Dhiman, Ashvini Kumar and G.N. Tiwari

Applied Energy, 1982, vol. 10, issue 2, 107-120

Abstract: This paper discusses the thermal modelling of the technique for cooling buildings by means of open evaporation of water over the roof. A comparative study of cooling by means of (i) a roof pond, (ii) a water spray and (iii) moving water over the roof is presented. The influences of parameters such as wind speed, relative humidity and water flow velocity on the performance of the system are numerically examined.

Date: 1982
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