Re: [EnergyPlus_Support] Window shading control with OnIfHighSolarIncident

[Frederick Winkelmann <FCWinkelmann@xxxxxxx>]

There is no standard value of incident solar for this type of control. I recommend trying a few different values and see
what the result is in terms of daylighting and building thermal response. Or you might try optimizing this value using the
GenOpt program (available free of charge from http://SimulationResearch.lbl.gov). For example, GenOpt could be used to find
the value that minimizes annual energy use.

Fred Winkelmann

leeslwong wrote:

> I am going to run a commercial building with daylighting control. The
> window shading control of OnIfHighSolarIncident is going to be used.
> I have no idea what the recommended values (W/m2) of solar incident
> on window are. Anyone can give me some references (i.e. books,
> technical papers, etc.) showing the suggested figures or methods to
> be used for my case.
>
> (50 W/m2 is shown in the example file of daylighting control. Is it a
> reasonable value for the shading control?)
>
> Thanks
>
> lee
>
>
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