[BLDG-SIM] DOE Shading Question
Wade McLaughlin
wmclaughlin at dmiinc.com
Wed Apr 9 08:14:23 PDT 2003
In DOE-2, I'm a little unsure about how to use the Visual-Transmittance schedule with Shading and Daylight Dimming.
Does the Visual-Transmittance schedule define the transmittance for the shading device (and window) for the portion of the window covered by the device (defined by the Shading-Schedule)?
i.e. Do I define the VT value as if the entire window were covered by the shade, and DOE takes care of the rest using the Shading-Schedule?
Or...
Does it define the effective visual transmittance for the entire window?
i.e. Do I need to define the effective VT for the entire window considering the shading fraction for each hour (taking the Shading-Schedule into account, which I've already defined)?
As usual, many thanks,
Wade
Wade McLaughlin
DMI
450 Lexington St.
Newton, MA 02466
p 617-527-1525 x103
f 617-527-6606
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