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Re: [TRNSYS-users] angle of incidence

Dear Marielle,
 
TRNSYS Type 56 requires the angle of incidence in order to compute the fraction of the incident radiation which is transmitted through the windows (which is depending on the incidence angle).
 
Regards,
 
Philippe.
 
Philippe ANDRE
ULg/DSGE/BEMS
Campus d'Arlon
185, Avenue de Longwy
B-6700 ARLON
Belgium
Tel: 32-(0)63 23 08 58
Fax: 32-(0)63 23 08 00
email: p.andre@ulg.ac.be
WEB: http://www.bems.ulg.ac.be/
----- Original Message -----
Sent: Wednesday, September 22, 2010 5:05 PM
Subject: Re: [TRNSYS-users] angle of incidence

Oke, I know what the angle of incidence is, but I wonder what its influence is? I use it as an input for type 56. (incidence angle is an indication howmuch sun falls on surface, but type 16 calculates the radiation, so why do I need it)

 

I ask this because I?ve data with radiation on different surfaces, and I want to use this, but I don?t have the angle of incidence.

 

Kind regards,

 

Mariëlle

 

Van: Mariëlle Nuchelmans [mailto:M.Nuchelmans@chri.nl]
Verzonden: woensdag 22 september 2010 14:40
Aan: trnsys-users@cae.wisc.edu
Onderwerp: [TRNSYS-users] angle of incidence

 

Hello,

 

Type 16 calculates, besides Total en beam radiation, also the angle of incidence. Does anyone who what the definition is of this angle? I can?t find it in the manual.

 

Thanks,

 

Mariëlle

 

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