[TRNSYS-users] Mask Type 67

David Bradley bradley at tess-inc.com
Wed Oct 1 10:38:42 PDT 2008


Benoit,
  Your first solution is correct. Add the sky diffuse and 
ground-reflected diffuse together and pass it to Type67, then connect 
the shaded total radiation from Type67 to Type56.
Kind regards,
 David


B.Cogné - dH Technologies wrote:
> Dear Trnsys users (or most probably developpers)
>  
> Using weather data reader 109 for Tmy2 file, I am getting confused in 
> the way to connect it to the Mask Type 67 and the Building Type 56.
>  
> For a given orientation in Type 56, I need:
> - The total radiation
> - The beam radiation
> (and other data which are not of concern)
>  
> If this orientation is shaded, I have to get these data from the type 67
> I find, in the output list of type 67:
> - The shaded total radiation
> - The shaded beam radiation
>  
> Connecting the type 109 to type 67, I find:
> Outputs from 109:
> - total radiation
> - beam radiation
> - sky diffuse radiation
> - ground reflected diffuse radiation
>  
> Inputs to 67
> - beam radiation
> - diffuse radiation
>  
> Should I:
> First solution: add the sky and diffuse radiation from 109 and connect 
> it to the diffuse radiation input of type 67, then connect the shaded 
> total radiation from 67 to the total radiation input of type 56 ?
> Second solution: connect the sky diffuse radiation from 109 to the 
> diffuse radiation input of 67 and add the ground diffuse radiation 
> from 109 and the shaded total radiation from 67 and connect the result 
> to the total radiation input of type 56 ?
>  
> Simply speaking: the beam radiation is not a problem. What is unclear 
> is if type 67 is dealing with the sky+ground diffuse radiation or only 
> with the sky diffuse radiation.
>  
> Thank you for your help
>  
> Benoît Cogné
>  
>  
>  
>  
> ------------------------------------------------------------------------
>
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> TRNSYS-users mailing list
> TRNSYS-users at cae.wisc.edu
> https://www-old.cae.wisc.edu/mailman/listinfo/trnsys-users
>   

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