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[EnergyPlus_Support] Zones without HVAC return nodes
- To: EnergyPlus_Support@xxxxxxxxxxxxxxx
- Subject: [EnergyPlus_Support] Zones without HVAC return nodes
- From: "drajperry" <drajperry@xxxxxxxxxxxx>
- Date: Tue, 13 Sep 2011 12:08:31 -0000
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- Delivery-date: Tue, 13 Sep 2011 06:08:35 -0600
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Hello All,
I have been trying for some time to model a type of residential house which uses a simple gas furnace for heating.
Heated air from the furnace passes through ducts to the simple delivery terminals (AirTerminal:SingleDuct:Uncontrolled) in each room.
There are no return air terminals in the rooms. In the real house, the air flows from the rooms through doorways and is collected at a single return vent (usually in a hall) and then through a duct back to the inlet of the furnace.
The house cannot be modelled as a single zone since important temperature differences between rooms do occur in practice.
Is there a "right" way to model this in EnergyPlus?
I have made the hall zone a return plenum for all the room zones but that is not really what plenums are for.
In addition if I use a plenum I cannot find documentation or examples on how to handle it in an airflow network so that I can correctly include the airflow through the doors.
Any guidance would be greatly appreciated.
Thanks, Andrew
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