Re: Overhang and wingwall shading

["Leszek" <lpudelko@xxxxxxxxxxxxxx>]

David,
Thank you very much for your answer!
I would like to know if it is the only way? It would be complicated for me because i have got 25 zones ( two windows with overhang and wing wall in each). Could you explain me when I should use external shad. factor as option in Windows' description in PREBID.
 
Regards
Dorota Pudelko

----- Original Message ----- 
From: David Bradley 
To: trnsys@relay.doit.wisc.edu 
Sent: Friday, January 03, 2003 7:50 PM
Subject: Re: Overhang and wingwall shading

Dorota
  Type34 is indeed the answer to your shading question. In Prebid, I would suggest that you define a new ORIENTATION for each window that you wish to shade and that you define your windows not as part of a wall but as Additional Windows. When you regenerate the Type56 files, your .inf file will have additional total radiation, beam radiation, and incidence angle INPUTS for the orientations of the shaded windows. In the deck, place a Type34 for each shading configuration between the radiation processor and the appropriate Type56 inputs. The geometrical parameters (size and configuration) of the wing wall and overhang are defined with parameters in Type34. If you run into trouble, then I believe that Example 7 contains a Type34. It does not contain a Type56; the Type34 outputs are connected to an external window model (Type35) but the concept is the same either way.
Kind regards,
  David

At 04:59 PM 1/3/2003 +0100, you wrote:


Hello Trnsys users,

How I can use type 34 if I need to describe receiver shaded windows by an
overhang and wingwall. I used  type 56 and Prebid and I don't know how do
define the shading factor?
Please help me

Regards

Dorota Pudelko



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