Re: [EnergyPlus_Support] Time-step daylighting calculation

[Frederick Winkelmann <FCWinkelmann@xxxxxxx>]

lee,

None of these variables are available for outputting in EnergyPlus. I am considering making at least some of them output
variables for the next release of the program (EnergyPlus 1.2 in April 2004).

Fred Winkelman

leeslwong wrote:

> Dears,
>
> I'm doing a simulation of daylighting control for a high-rise
> building with and without obstructions. But there is no report/output
> values for some daylighting variables in E+, e.g. Direct normal solar
> irradiance, exterior direct and diffuse horizontal solar irradiances,
> sky clearness, Sky type index, sky luminance distribution formed from
> linear interpolation of skies, horizontal illuminance from sky types,
> exterior horizontal illuminances form sky and sun, luminous efficacy
> of diffuse and direct solar radiation interior illuminance form a
> window, window luminance, window background luminance, etc. in E+. I
> found that that they have their Fortran variables' names in the
> Engineering Document of p.70-71.They are very useful data for
> analysing the daylighting performance of the building. I wonder if
> someone can teach me how can I get these data or extract these values
> out from the program when running the case?
>
> Thanks
>
> lee
>
>
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