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RE: [EnergyPlus_Support] Vented PV Cavity
It is difficult to say with out seeing the file, you could up load it.
Did you setup the electric load center and the PV generators and set
them to be integrated? What is the surface material like in the
reference case?
_____
From: EnergyPlus_Support@xxxxxxxxxxxxxxx
[mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of lnttony
Sent: Friday, July 14, 2006 8:57 PM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Vented PV Cavity
Dear all,
I am modeling the building integrated photovolatic (BIPV) system for
the building facade. The photovoltaic (PV) panels were attached on
the exterior wall with an air cavity between them. I want the PV
panels to serve as a solar heat barrier. But I have problem in the
heat gain on the facade.
By using "OtherSideConditionsModel", I applied "Vented PV Cavity" as
the type of modeling used to determine boundary conditions.
The "SURFACE:HEATTRANSFER:EXTERIORNATURALVENTEDCAVITY" object is
used to describe the condition. However, there is no heat gain
reduction for the underlying surface (i.e the exterior wall), even
the required cooling energy for the corresponding zone is higher.
Is there any mistake I have made? Or, is there any part I have to
pay attention on?
I would be very happy if I can receive any kind advice and help.
Best Regards,
Tony LAM
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