You can't just change the RH by itself, because it's a calculated value from the dry-bulb temperature, dewpoint temperature, and pressure. Assuming that you only want to change the moisture in the air, then you also need to change the dewpoint temperature.
Joe
Joe Huang White Box Technologies, Inc. 346 Rheem Blvd., Suite 205A Moraga CA 94556 yjhuang@xxxxxxxxxxxxxxxxxxxxxxxx http://weather.whiteboxtechnologies.com for simulation-ready weather data http://www.whiteboxtechnologies.com (o) (925)388-0265 (c) (510)928-2683 "building energy simulations at your fingertips"
Dear All,
I am using the Heat & Moisture Transfer (HAMT) model as HeatBalanceAlgorithm.
I compared the Air System Sensible Heating Rate results using the same weather file with different outside air relative humidity. The first EPW has 50% relative humidity (whole year). The second EPW has 90% relative humidity (whole year).
I get a higher result Air System Sensible Heating Rate for the 50% RH case and lower for the 90% case. It should be the opposite considering that the conductivity when wet gets higher.
Attached the IDF and EPW.
Can anyone help?
Thank you,
Best Regards,
Junia
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Posted by: Joe Huang <yjhuang@xxxxxxxxxxxxxxxxxxxxxxxx>
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