[TRNSYS-users] From global solar radiation to direct and diffuse SR

[David BRADLEY]

Wirich,

  Did you also by chance measure global on the horizontal? If so then 
what I would suggest you do is to define your same vertical surfaces in 
Type16 and then run your measured global horizontal through it. Type16 
will give you an estimate of how the global breaks up into beam and 
diffuse not only for the horizontal but also for the vertical surfaces. 
I would then compute the ratios of beam to global and diffuse to global 
that Type16 gives you for each surface and then use those ratios 
multiplied by your actual measurements to come up with the components 
that Type56 wants.

kind regards,

  david


On 06/17/2021 04:15, Freppel, Wirich via TRNSYS-users wrote:
>
> Dear Trnsys users,
>
> I measured global solar radiation on vertical surfaces (one for each 
> orientation) using a pyranometer. I would like to use these data on my 
> building model instead of using “internal calculation”.
>
> Type 56 asks for direct and diffuse solar radiation arriving on the 
> surface. How can I manage the data to send the appropriate values to 
> Type 56 ?
>
> Thanks in advance for your help
>
> *Wirich FREPPEL*
> Development engineer
>
> /COSMOS - /Buildings Energy Performance & Daylighting Group
>
> Cell: +33 637 053 174
>
> *Saint-Gobain Research Compiègne*
>
>
> _______________________________________________
> TRNSYS-users mailing list
> TRNSYS-users at lists.onebuilding.org
> http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org

-- 
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
3 North Pinckney Street - suite 202
Madison, WI  53703 USA

P:+1.608.274.2577
d.bradley at tess-inc.com

http://www.tess-inc.com
http://www.trnsys.com

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