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Re: [EnergyPlus_Support] Fanger's PMV Calculation May Not Be Correct
There was indeed a problem! It has been fixed for the version 1.2.2 release:
Identified error in latent heat from respiration and changed code. Equation
now matches ASHRAE Handbook of Fundamentals and Pierce model in EnergyPlus.
Raises results for PMV by about 0.5 to 0.7 units on ASHRAE sensation scale.
(Please pardon the double posting - want to complete both threads.)
On 20 Feb 2003, at 17:55, hannahyan hannahyan@xxxxxxxxx wrote:
> I found there is a pretty constant difference between Fanger's PMV
> calculated by E+ and PMV calculated by ASHRAE's software COMFORT(RP-
> 781). I let E+ output air temp, MRT and humidity and obtained air
> velocity, human clothing and activity level from IDF file and put
> these numbers into COMFORT, the comfort index values such as PMV and
> TSENS are different significantly. For PMV, E+ is always half scale
> Can somebody check this problem?
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