Re: [TRNSYS-users] (no subject)

[David Bradley <bradley@tess-inc.com>]

Uwe,
 It may have something to do with the Type56 humidity model - walls
in Type56 are able to absorb and desorb moisture from the air.
Kind regards,
 David


At 11:40 3/9/2006, Uwe Meinhold wrote:
> Dear
> TRNSYS User
>  
> I checked a simple steady state problem in
> trnsys15.
> I have a room: 50 m^3 with an air change rate of 0.7 per hour and a
> source of 0.3 kg/h water. The outside and inside temperature is 20 °C and
> the outside relative humidity is 0 (or 0.000000001%). 
>  
> The result of TRNSYS type 56 is 49.0263 %
>  
> but the result of my calculation is 49.572%
> (see enclosed pdf file).
>  
>  
> The differences comes with the source inside
> the room. That means I go confirm with the psych - routine. 
>  
> Now my question is what makes the
> difference?
>  
> Thanks in advance
>  
>  
>  
>  
>  
>
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