[TRNSYS-users] Problems with the sun... (probably an easy one for people used to TRNSYS)

Adrien JEZEQUEL - ITF a.jezequel at itf.biz
Thu Jan 29 02:47:58 PST 2009


Dear Nicolas,

You haven't put the same time step in your data card and in your type9 
parameter (Time Interval of Data).
If you put the same time step in type9 parameter and in your control 
card, you will obtain the profile you define.

Best regards

------------------------------------------------------------------------
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	Adrien JEZEQUEL
Simulations Thermiques Dynamiques
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Nicolas Heijmans a écrit :
>
> Hello,
>
>  
>
> I'm a new user of TRNSYS and I have a problem with the sun (TYPE 16i).
>
>  
>
> As far as I understood, the type 16 is written in such a way that the 
> interpolation of data is correct.
>
>  
>
> But I have a dummy sun, with a permanent 36 kJ/h.m², 100% diffuse.
>
> The data are given at each hour, and I do a simulation with a time 
> step of 10 minutes.
>
> I would expect that the output of TYPE16i would be 36 kJ/h at each 
> time step, but that's not the case. The values are oscillating...
>
>  
>
> Could you explain me why ?
>
>  
>
>  
>
>  
>
>  (The model is attached, all files should be placed on C:)
>
>  
>
>  
>
> Kind regards,
>
>  
>
> Nicolas Heijmans, Belgium
>
>  
>
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