Re: [EnergyPlus_Support] running comis with HVAC

["Joe Huang" <yjhuang@xxxxxxx>]

Ian,

The COMIS simulation calculates the pressures and corresponding flows based
on the interior and outdoor environmental conditions from the previous
timestep, i.e., it does not know anything about pressures or flows that may
result from the HVAC operation. So, theoretically, if your system is simply
recirculating inside air perfectly without any pressurization effects, this
should not impact the COMIS predicted flows and pressures.

Joe
----- Original Message -----
From: "idoebber" <idoebber@xxxxxx>
To: <EnergyPlus_Support@xxxxxxxxxxxxxxx>
Sent: Friday, September 26, 2003 8:17 AM
Subject: [EnergyPlus_Support] running comis with HVAC


> I know that comis is not susposed to give reliable results when the HVAC
> system is running but is this only true when mechanical ventilation is
present
> where outside air is being brought in.  If my HVAC system just
recirculates
> the inside air such that the conditioning system is not pressurizing or
> depressurizing the zone, will the comis results be accurate.
>
> Thanks
> Ian
>
>
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