[Bldg-sim] weather file and EnergyPlus

Michael J Witte mjwitte at gard.com
Mon Oct 27 11:29:09 PDT 2014


/horirsky/ (horizontal_infrared_radiation_intensity_from_sky) is used 
for thermal radiant transfer calculations between the exterior surfaces 
of the building and the sky.
Mike



On 10/24/2014 10:30 PM, alexandros vlachokostas wrote:
> Hello bldg-sim community!
>
> My name is Alex and I am a graduate student at City College of New York.
> If possible I would like to ask you about EnergyPlus (EP) and the 
> weather file inter-work.
>
> By reading the EP manual I understood that EP only uses /dirnorrad 
> /(direct normal radiation), /difhorrad /(diffuse horizontal 
> radiation) and 
> /horirsky/ (horizontal_infrared_radiation_intensity_from_sky) to 
> handle all calculations.
>
> Why EP has this specific 'horirsky' (only IR spectrum) since EP 
> already has the 'dirnorrad' and 'difhorrad' inputs; that both include 
> the whole EM spectrum?
>
> Thank you in advance.
>
> Best,
> Alex
>
>
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