[EnergyPlus_Support] Re: Modelling shading device inside a zone

[Mário <mneves32@xxxxxxxxx>]

Hello

I think that E+ in the case of internal windows in a zone only accounts for the difuse componete of the light energy, because if are not using the option fullexterior and interior considers that the radiation that is being transmited to a zone forma an exterior window "falls"only on the floor (not sure about this last part). 

If you have a glasse atriam, and this space is not conditioned the wht not repreduce the glase atrium using shading block´s with ther solar transmitance set to the solar transmition of your glass atriam, ofcourse the problem is the outside tempreture of your zone would corresponde to the outside temp.

MN

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Santiago Velez <santiagogvelez@...> wrote:
>
> Hello everyone, I´m trying to model the following situation: An overhang
> shading device at ceiling level (3.7m) of  the entrance of the lobby of
> an office building. The lobby is part of a small glassed atrium (three
> stories high, curtain-wall), with two mezzanine floors above. The shading
> device projects both out and into the atrium, blocking a big percentage of
>  direct radiation into the lobby´s working area.
> The question is, how do I model this shading projecting into the zone so
> that the load in the lobby zone is more accurate? I divided the atrium
> vertically into three different zones connected by "air walls".
> 
> Thanks
> 
> Santiago.
>




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