Re: [EnergyPlus_Support] Modelling natural cross-ventilation using COMIS module

["Michael J. Witte" <mjwitte@xxxxxxxx>]

Colin:

I'll try to look at this, hopefully tomorrow.  I may have to enlist 
the help of a COMIS expert, so this may delay an answer.

Mike


On 17 Jul 2002, at 10:46, colin harris wrote:

> Hi,
> 
> I have attached a model of a simple cube, with a window in the south facade 
> and a chimney exhaust zone at the north facade, the zones are connected via 
> a door and the exhaust has a window at the top of it's north facade. I have 
> run the simulation for a southerly wind over a day and calculated the 
> Infiltration-Mass and Mixing-Mass for each zone. However, when i add up the 
> mass flows (for an hour period - example 18:00 and 20:00) going into a zone 
> (positive) and going out of a zone (negative), they don't add to zero as i 
> expected they would. Is this assumption incorrect or am i modelling 
> something wrong?
> 
> Also, I was wondering if the Comis module for EnergyPlus is now maintained 
> by EnergyPlus since the Comis 3.1 version has gone commercial. Or is the 
> commercial version going to be plugged into EnergyPlus in the future?
> 
> Kind regards
> 
> Colin.
> 
> ps: I have also looked at using ESP-r for modelling this natural 
> ventilation, but have found it quite unaccessible (even if they have a 
> GUI). In comparison I think the documentation and organisation of Energy 
> Plus is excellent.
> 
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