Relative humidity to moisture content

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Hi All
I have air coming from supply air diffuser at 15C with 85%
RH how can i calculate the moisture content ie specific humidity of
this air (lb of water/lb of dry air)leaving the supply diffuser

Thanks
Sambhav

sambhav tiwari's picture
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Your psychrometric chart is a good place to start.

>> Christopher Jones, P.Eng.

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you can download Excel functions that can calculate any psychrometric functions
you want in a spreadsheet format:

http://www.kw-engineering.com/resources/psychrometrics.php

Pete

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