[TRNSYS-users] diffuse radiation from total radiation

[Laia Cases - iMat]

Hi Jaime,

what you mean by "DNI"

thanks in advence

Laia

En/na Jaime Gonzalez Rodriguez ha escrit:
> sure, if you have the global radiation in a horizontal surface (I 
> guess that's the one you have)...you can say
> Ig=Id+Ib
> where Id and Ib are diffuse and beam irradiances on a horizontal 
> surface, since you have the DNI and the elevation solar angle, and you 
> know that Ib = DNI*sin(elev)
> you can say that
> Id=Ig-DNI*sin(elev)
>
> you can use a calculator to do so
>
> regards
>
> 2010/4/30 Laia Cases - iMat <lcases at imat.cat <mailto:lcases at imat.cat>>
>
>     Hi Trnsys users,
>
>     is there any way to obtain diffuse radioation from global radiaton
>     data to be use to simulation studio?
>
>     thanks in advance
>     Laia
>     -- 
>     	*Laia Cases*
>     Unitat de Condicionament Tèrmic
>     *iMat - Centre Tecnològic de la Construcció
>     lcases at imat.cat <mailto:lcases at imat.cat>
>     www.imat.cat <http://www.imat.cat/>*
>     	Wellington 23  ·   E-08018 Barcelona
>     T +34 93 553 97 95
>     F +34 93 553 97 96
>     Imprimiu aquest document només si és necessari
>
>
>
>     _______________________________________________
>     TRNSYS-users mailing list
>     TRNSYS-users at cae.wisc.edu <mailto:TRNSYS-users at cae.wisc.edu>
>     https://www-old.cae.wisc.edu/mailman/listinfo/trnsys-users
>
>
>
>
> -- 
> Jaime. González Rodríguez

-- 
	*Laia Cases*
Unitat de Condicionament Tèrmic
*iMat - Centre Tecnològic de la Construcció
lcases at imat.cat <mailto:lcases at imat.cat>
www.imat.cat <http://www.imat.cat/>*
	Wellington 23  ·   E-08018 Barcelona
T +34 93 553 97 95
F +34 93 553 97 96
Imprimiu aquest document només si és necessari

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