[TRNSYS-users] Radiative cooling systems

WATRINET, Emmanuel E.WATRINET at bouygues-construction.com
Tue Jul 27 06:03:38 PDT 2010


Hi everyone, hi Jeff, 

I aim to model different radiative cooling systems using TRNSYS 16 (soon TRNSYS 17), to evaluate their potential under French climate and compare their efficiencies. I found on the Internet the following discussion :

>" It depends a bit on what you are trying to do. If you are trying to 
>cool a building using a metal roof, I think that the standard TRNSYS 
>building model (Type56) would give you that effect. If you have got an 
>actively ventilated airspace behind the metal roof then I think we might 
>have an unglazed air-based solar collector that might work. If you have 
>fluid pipes on the back side of the metal roof then it might be that the 
>model Jeff was mentioning would be most appropriate.
>Kind regards,
 >David

> Our (TESS Libraries) unglazed flat plate collectors do exactly as you
> suggest.  We have used them in projects where the user collects heat
> during the day into a large storage tank then charges a large cooling tank
> at night by rejecting heat to the ambient/sky.  "
>Jeff

I am very interested in getting some details on the model you describe at the end. Is it possible to get more information, any file or document describing it ?

Thank you very much for your time.
Best regards,

--------------------------------------------
Emmanuel Watrinet
Pôle Construction Durable
Bouygues Construction SA
e.watrinet at bouygues-construction.com
--------------------------------------------
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