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[EnergyPlus_Support] Re: Creating a zone with positive pressure?



Here is the response I've received before:

"There is a way to model pressurized buildings by specifying an exhaust flow in each zone as a way to make the return less than the supply (since return = supply-exhaust).  This exhaust flow may be created using Fan:ZoneExhaust with zero "Pressure Rise" so it will not consume any electric power.  

The depressurized case is not possible without using airflownetwork."


Hope it helps!

Lisa

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Steve Gross" <stevejgross@...> wrote:
>
> I am attempting to model a dorm building with hybrid ventilation. The layout of the building is such that the hallway which connects all the dorms on one floor together is mechanically conditioned while the dorms themselves are naturally ventilated. In real life, the hallway is positively pressurized by supplying more air than is returned. This in turn drives air from the hallway into the dorms, which is then exhausted through the bathroom vent or through exfiltration.
> 
> My problem is that EP won't let you have an imbalance in the supply and return air. 
> 
> I need to somehow impose a constant positive pressure in the hallway. Does anyone know how that can be achieved?
> 
> Steve
>




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