RE: [EnergyPlus_Support] Re: AFN-Impossible or erratic Venting?

[Lixing Gu <gu@xxxxxxxxxxxx>]

Jean:

There are several reasons to have large ACH I can think of.

1	Very small zone volume
2	All walls are windows
3	Very large wind speed
4	Large values of wind pressure coefficients

Please check these values. Hope this helps.

Lixing
-----Original Message-----
From: EnergyPlus_Support@xxxxxxxxxxxxxxx
[mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of Jean marais
Sent: Tuesday, January 03, 2012 7:33 AM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Re: AFN-Impossible or erratic Venting?


Dear Group and perhaps Lixing,

I'm still getting strange venting rates from my AFN. Zones with 200 ACH have
occured. I currently have a deltaT of 6 deg C for my temperature difference
limmit. Also pls see previous msg. Any advice?

Kind regards,

Jean.




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