Abstract
The effect of intermittent rain on the heat flow through walls was in vestigated experimentally. A numerical model was used to interpret the experimental data The sol-air temperature was modified using a measured evaporation coefficient to account for evaporation following rain; this was determined by separate tests. The cooling effect of rain on a warm wall was accounted for by using the wet-bulb tem perature. The effect of the cooling was more significant than the effect of evaporation in predicting the heat flows.
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