[TRNSYS-users] Type 34 : strange output

[jfamailbox-i3er at yahoo.fr]

Dear Diego,
Thanks for your answer, but it's not more clear for
me, because I'put FSKY to 0.5 in my BUI, so results
should be the same ?
Regards,
JeFF
--- DIEGO A ARIAS <daarias at wisc.edu> a écrit :

> Dear Jeff,
> 
> The mathematical description of Type34 (Volume 5,
> section 5.7.15)
> explains that type 34 calculates the view factor for
> the opening to the
> sky.  The view factor for an unshaded vertical
> surface is 0.5.  The
> presence of wingwalls or overhang reduce the view
> factor.
> If you have an unshaded surface (overhang projection
> equal to zero),
> type 34 will use a shading factor equal to 0.5.
> Please let me know if this answers your question or
> if you have any
> additional questions.
> Best regards,
> 
> Diego
> 
> ----- Original Message -----
> From: jfamailbox-i3er at yahoo.fr
> Date: Friday, April 7, 2006 5:11 am
> Subject: [TRNSYS-users] Type 34 : strange output
> To: trnsys-users at engr.wisc.edu
> 
> > Hello TRNSYS users,
> > I've done simulations of simple room with a window
> > south oriented and several overhang (type 34)
> > settings.
> > And I?ve different value without type 34(directly
> > connected to type 109) and connected to type 34
> with
> > overhang projection set to zero !!!
> > Someone could explain it ?
> > I linked TPF file
> > 
> > Regards,
> > JeFF
> > 
> > 
> > 	
> > 
> > 	
> >        	
> >
>
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