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Posted by on March 9, 2007, 8:46 am
>berry wrote:
>> There is a lot of discussion on water loss in out door pools. I am
>> trying to establish evaporation water loss from an indoor pool
>>
>> water temp 84 degrees
>> air temp 88 degrees
>> nominal ventillation
>
> Big difference at 10% humidity and 90%
Yes. Pw = 1.176 "Hg and Pa = 0.1336 at 10% and 1.202 at 90.
ASHRAE says the water loss is 0.1(Pw-Pa) lb/h-ft^2.
Minimize it with minimal ventilation and a high RH.
Nick
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