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[EnergyPlus_Support] Re: Modeling single-side natural ventilation

Hi, use the "detailed opening" for bi-directional flow. One opening will be not enough for AFN, so you need to defind a secound one like a tiny crack on some other wall, which is too small to influence the simulation. That should work.

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "JPE" <spincycle45@...> wrote:
>
> David -- Thank you for your response.
> 
> By "outside pressure node", are you referring to creating an External Node (under AirflowNetwork:MultiZone) for each window?
> 
> I understand that EnergyPlus does not like to do bi-directional flow through horizontal openings (E+ In/Output Reference, p.939) so I figured to try subdividing the larger windows into multiple horizontal stacking windows.  Doing so (theoretically) each window could have a uni-directional airflow, either in or out of the zone.
> 
> Using this methodology my model now consists of two window groups, each with five horizontal windows stacked above one another.
> 
> Thoughts?
> 
> Cheers -- James
>




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