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RE: [EnergyPlus_Support] Question regarding potentially redundancy in weather file

I do not understand your question.

dry bulb, dew point, RH and pressure  are not expressed as one point on the Psychrmatic chart.  Thay are used in different situation as well for convenience os _expression_..


Saturated vapour pressure, humidity ratio, atmosppheric pressure are some other related values. There may be a few more.


Why do you have different units, if all can be expressed in   m.k.s.


 Dr. Li  


To: EnergyPlus_Support@xxxxxxxxxxxxxxx
From: moe_wilensky@xxxxxxxxx
Date: Tue, 20 Nov 2012 15:47:14 +0000
Subject: [EnergyPlus_Support] Question regarding potentially redundancy in weather file


Given that W can be found as a function of dew point and pressure (PsyWFnTdpPb)and RH can be found as a function of dry bulb, W and pressure (PsyRhFnTdbWPb, why do we need all 4 values (dry bulb, dew point, RH and pressure?

Sorry if this has been answered before but i was unable to find anything conclusive.


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