Re: [EnergyPlus_Support] modeling atrium with airflow network

["Michael J. Witte" <mjwitte@xxxxxxxx>]

You are correct that solar radiation is all diffuse after it passes through the 
first interior window.  Beyond that, I have no advice to offer for this model, 
except be very cautious with the results.

Mike


On 22 Dec 2007 at 22:07, e.nabo wrote:

> dear Energy Plus Forum and users,
> 
> I am modeling an atrium with significant height.
> Scope of the work it is to study ventilation strategies.
> 
> I have looked at airflow network and I understand that the results
> will be in most of the cases very approximative.
> 
> I am wondering what is your experience in dividing the space in to
> stacked thermal zones.
> 
> In my case I thought that I could divide the space into 4 thermal
> zones (every 10 feet) and connect this with "big" cracks.
> 
> To allow the model accounting the influence of the solar radiation
> that heat the floor, I was thinking about putting virtual horintal
> windows between the zones.
> 
> In this case, is the radiation considered diffuse after the first zone
> (and not direct)?
> 
> I would greatly apprecia if different users would like to share their
> experience in modeling atria.
> 
> thank so much!
> Regards
> 
> Emanuele
> 
> 
> 
> 
> 
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> 
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> 
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> 
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> 
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> 
> 
> 
> 
> 


========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support      
EnergyPlus-Support@xxxxxxxx





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