[TRNSYS-users] TYPE68 + TYPE 34
David Bradley
bradley at tess-inc.com
Mon Aug 1 07:30:53 PDT 2005
Christophe,
It is a bit of a mess to combine Type68 and Type34 to do both overhang
and far-away object shading on the same facade. What you need to do is to
define a horizontal facade and your vertical opening in Type68 so that you
can get the total radiation shaded by far-away objects on the horizontal as
well as the beam radiation on the surface, which is what Type34 is
expecting. We have a high priority item on our list of requested
enhancements for Type68 to also calculate the shaded horizontal radiation
for each one of the openings in the data file. I am not sure when that
enhancement will be ready though. We will make an announcement to the list
when it is ready.
Kind regards,
David
At 04:25 AM 8/1/2005, Enertech wrote:
>Dear TRNSYS Users,
>
>I don't understand how to use an overhang (type 34) after a shading mask
>(type 68). In fact, type 34 uses these 3 inputs for solar radiation :
>- Total horizontal radiation ;
>- Horizontal diffuse radiation ;
>- Beam radiation on surface ;
>
>And TYPE68 gives these outputs for solar radiation :
>- Shaded beam radiation on surface ;
>- Shaded diffuse radiation on surface ;
>- Shaded total radiation on surface.
>
>So my question is : how can I say to type 34 that horizontal total and
>diffuse radiation are shaded by a mask defined in type 68 ? Why can't I
>use total and diffuse radiation on surface in type 34 ?
>
>Thanks for your help.
>Christophe.
>
>===========================
>ENERTECH
>F-26160 FELINES SUR RIMANDOULE
>tel-fax : 04 75 90 18 54
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