Re: [EnergyPlus_Support] Fanger PMV in EnergyPlus off by 0.5 ? (more results)

["Michael J. Witte" <mjwitte@xxxxxxxx>]

We have not forgotten about this issue.  It is still on our list of 
things to investigate.

Mike


On 14 Nov 2003, at 6:05, waspoorboy wrote:

> By increase Activity level from 1met(105W) to 1.2met(125W)
> PMV then offset 0.5, but compare to Fanger's book [Fanger, 1970]
> The value EnergyPlus give is still off by 0.5
> [Human body area assumed 1.8m2]
> ==============================
> #1: Activity level = 1met(105W), RH=50%, Air velocity=0.1m/s 
> Results:
> [Summer] 0.5clo, Tin,air=MRT=24.5C, Fanger PMV=-0.55
> [Winter] 0.9clo, Tin,air=MRT=22.0C, Fanger PMV=-0.49
> 
> Fanger's book: page 116 Activity level=60kcal/m2hr=51.2W/m2=0.88met
> clo Temp PMV 0.5  24   -0.20 0.5  26   +0.39 Fanger's book: page 117
> Activity level=70kcal/m2hr=60.2W/m2=1met clo Temp PMV 0.5  22   -0.33
> 0.5  24   +0.17 ============================== #2: Activity level =
> 1.2met(125W), RH=50%, Air velocity=0.1m/s Results: [Summer] 0.5clo,
> Tin,air=MRT=24.5C, Fanger PMV=-0.06 [Winter] 0.9clo,
> Tin,air=MRT=22.0C, Fanger PMV=-0.03
> 
> Fanger's book: page 118 Activity level=80kcal/m2hr=68.8W/m2=1.2met air
> velocity = 0.1m/s clo Temp PMV 0.5  22   -0.03 0.5  24   +0.41
> ................<---T=24.5, PMV=0.5 0.5  26   +0.85
> ============================== #3: Activity level = 1.2met(125W),
> RH=50%, Air velocity=0.15m/s Results: [Summer] 0.5clo,
> Tin,air=MRT=24.5C, Fanger PMV=-0.205 [Winter] 0.9clo,
> Tin,air=MRT=22.0C, Fanger PMV=-0.14
> 
> Fanger's book: page 118 Activity level=80kcal/m2hr=68.8W/m2=1.2met air
> velocity = 0.15m/s clo Temp PMV 0.5  22   -0.16 0.5  24   +0.30
> ................<---T=24.5, PMV=0.4 0.5  26   +0.76
> ==============================
> 
> 
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========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support      
EnergyPlus-Support@xxxxxxxx


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