[BLDG-SIM] effect of window blinds on solar heat gain

[Gerald Pde]

In addition, DAYSIM is able to simulate blinds and
shades based on occupancy sensors and photocells.
DAYSIM integrates with the Radiance lighting software
and give pretty good estimations of these systems.

For more information visit http://www.daysim.com
 Gerald

--- Alec Stevens <astevens at dmiinc.com> wrote:

> Hi,
> 
> Does anyone have any source that documents the
> effect of (interior) window
> blinds on solar heat gain?
> 
> We are working on a project with motorized blinds
> that would respond to a
> photocell.  The blinds are a fabric mesh that allows
> 40% visible
> transmittance.
> 
>  
> 
> Has anyone used a reliable factor to account for any
> reduction in solar heat
> gain from this type of window blind?
> 
>  
> 
> Thanks for any info that you may have!
> 
>  
> 
> Sincerely,
> 
> Alec Stevens, PE, LEED AP
> 
> DMI
> 
> 450 Lexington St., Newton, MA 02466
> 
> p: 617-527-1525 x105 f: 617-527-6606
> 
> e: astevens at dmiinc.com
> 
>  
> 
> 
> 
>
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