[TRNSYS-users] Blinders for long-wave radiative exchange

[RENZI Virginie 217644]

Jens : I'm not sure it's about "thermal resistance" ... but more about "radiative screen" 

 

Valérie : I don't know how to take that in account in type 56 ... but maybe you can directly modify the sky temperature in studio ?

If you find a solution, I'll be interesting!

 

Regards, 

 

 Virginie RENZI

 

 

virginie.renzi at cea.fr

 

________________________________

De : Jens Apel [mailto:jens.apel at arup.com] 
Envoyé : jeudi 16 octobre 2008 08:49
À : LEPRINCE Valérie
Cc : trnsys-users at engr.wisc.edu
Objet : Re: [TRNSYS-users] Blinders for long-wave radiative exchange

 

Valérie,

 

In TRNbuild in the Window Type Manager you can specify "Additional Thermal Resistance" of Shading Devices. I never used that but it might be a solution.

 

Regards,

 

Jens Apel

 

 

________________________________

From: LEPRINCE Valérie [mailto:Valerie.LEPRINCE at entpe.fr] 
Sent: Mittwoch, 15. Oktober 2008 09:23
To: trnsys-users at engr.wisc.edu
Subject: [TRNSYS-users] Blinders for long-wave radiative exchange

 

Dear Trnsys users

 

I would like to estimate the impact of the glass emissivity of windows fitted with blinders (only during the night). However, making the simulation and reading the type 56 user's manual, I realized that external and internal shading devices (blinders) only reduce incoming solar radiation.

So my question is: is there a way to simulate night blinders, that is to say blinders that reduce long-wave radiative exchange with the fictive sky temperature?

 

Best regards and Thanks a lot.

 

Valérie LEPRINCE (BULTEAU)

Doctorante

Ingénieur TPE/ MR en Génie Civil

LASH/DGCB

Ecole Nationale des Travaux Publics de l'Etat (ENTPE)

 

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