[TRNSYS-users] shading an horizontal surface
David BRADLEY
d.bradley at tess-inc.com
Tue Jun 19 10:15:26 PDT 2012
Artemi,
The "opening" that Type67 and 68 talk about is really just a surface
on which a certain amount of solar radiation is falling; it can be a
roof or a skylight, a wall, or a window. You define its orientation the
way you define all orientations, with a slope and an azimuth. The slope
for a horizontal surface is zero, its azimuth doesn't matter. Type68 is
obsolete; type67 should be used in its place. Both calculate the
reduction in beam and diffuse radiation caused by objects that surround
a surface. The surrounding objects are treated as opaque and are assumed
to be a known height, distance, and direction from the shaded surface.
Kind regards,
David
On 6/19/2012 04:11, Artemi Spanaki wrote:
> Dear trnsys users
>
> how can I totally shade the surface of an element (ec roof) using a
> trnsys component (probably type 67).
>
> how the "opening" in type 68 is considered to be horizontal? should
> type 67 be combined to another type?
>
> ps: sorryfor double-senting the yesterday e-mail
>
> yours sincerelly
>
>
> a s
>
>
> _______________________________________________
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> TRNSYS-users at cae.wisc.edu
> https://mailman.cae.wisc.edu/listinfo/trnsys-users
--
***************************
David BRADLEY
Principal
Thermal Energy Systems Specialists, LLC
22 North Carroll Street - suite 370
Madison, WI 53703 USA
P:+1.608.274.2577
F:+1.608.278.1475
d.bradley at tess-inc.com
http://www.tess-inc.com
http://www.trnsys.com
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