Re: [EnergyPlus_Support] Solar Shading

[Richard Raustad <RRaustad@xxxxxxxxxxxx>]

Look at the example file WindowTestsSimple.idf.

   FenestrationSurface:Detailed,
     Zn004:Wall001:Win001,    !- Name
     Window,                  !- Surface Type
     DOUBLE PANE WITH DRAPES:no-shade,  !- Construction Name
     Zn004:Wall001,           !- Building Surface Name
     ,                        !- Outside Boundary Condition Object
     0.5000000,               !- View Factor to Ground
     DOUBLE PANE WITH DRAPES, !- Shading Control Name

You need 2 constructions. One with the shade and one without.

   Construction,
     DOUBLE PANE WITH DRAPES:no-shade,  !- Name
     SimpleWindow:DOUBLE PANE WINDOW;  !- Outside Layer

   Construction,
     DOUBLE PANE WITH DRAPES, !- Name
     SimpleWindow:DOUBLE PANE WINDOW,  !- Outside Layer
     DRAPES - CLOSE WEAVE MEDIUM;  !- Layer 2

And a shading control object:

   WindowProperty:ShadingControl,
     DOUBLE PANE WITH DRAPES, !- Name
     InteriorShade,           !- Shading Type
     DOUBLE PANE WITH DRAPES, !- Construction with Shading Name
     OnIfHighSolarOnWindow,   !- Shading Control Type
     ,                        !- Schedule Name
     20.0,                    !- Setpoint {W/m2, W or deg C}
     NO,                      !- Shading Control Is Scheduled
     NO,                      !- Glare Control Is Active
     ,                        !- Shading Device Material Name
     ,                        !- Type of Slat Angle Control for Blinds
     ;                        !- Slat Angle Schedule Name

Then read the IO Ref and Eng Ref about the shading control object.


On 2/18/2013 10:21 AM, mixaliskanellis wrote:
> Hello everyone!
>
> I want to create a shading device (using either venetian blinds or roller shade) that is going to be activated for a setpoint of 200 W/m2 on the window for occupancy time (8-18). Also for winter days it will be fully retracted during no occupancy hours (exploiting solar gains) while for summer days it will be fully deployed during no occupancy hours (protection from overheating).
>
> When i try to create a schedule for that kind of operation (in Schedule:compact) i cannot figure out how i can make the device to be fully deployed during the no occupancy summer days (i read in the I/O manual that a value of 0 deactivates shading control while for ay other value it is activated, it does not state though how it is fully deployed).
>
> Can anybody provide me with some advice on that? Is maybe my approach incorrect?
>
> Kind Regards
> Michael
>
>
>
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-- 
Richard A. Raustad
Senior Research Engineer
Florida Solar Energy Center
University of Central Florida
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Fax:     (321) 638-1439 or 1010
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