[TRNSYS-users] Coupling airflow between zones

[David Bradley]

Matt,
 You are on the right track with the way that you are modeling the air 
flow coupling in the building. The trick is to figure out how much air 
leaks out. You can either specify it based on hand calculations of the 
duct and diffuser sizes or you can use the coupling between TRNSYS and 
CONTAM that is in the standard package. Type56 passes the zone 
temperature information to Type97 (CONTAM), which calculates the 
resulting air flow due to temperature and pressure (height differences 
and wind) differences between the zones, and passes it back to Type56.
Cheers,
 David

Matt Fung wrote:
>
> TRNSYS users,
>
>  
>
> I am dealing with a situation where the mechanically cooled air is put 
> into a plenum crawlspace and "leaks" into the living space via floor 
> registers.  Ideally, I would like to put the cooling ventilation air 
> into the plenum crawlspace zone that I have created in my TRNBuild 
> file and use the coupling airflow feature in TRNBuild to allow the 
> cool air to "leak" at the rated flow rate from the crawlspace zone to 
> the living space zone.  Is this an accurate way to model the desired 
> situation?
>
>  
>
> *Matt Fung*
>
> /Associate Engineer/
>
> <http://www.consol.ws/>
>
> 7407 Tam O'Shanter Drive
>
> Stockton, CA 95210-3370
>
> Phone: 209.473.5000 / Fax: 209.474.0817
>
> MFung at ConSol.ws <mailto:MFung at ConSol.ws>
>
> www.ConSol.ws <http://www.consol.ws/>
>
>  
>
> *You can call me directly at 209.473.5002*
>
>  
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> TRNSYS-users mailing list
> TRNSYS-users at engr.wisc.edu
> https://www.cae.wisc.edu/mailman/listinfo/trnsys-users
>   

-- 
***********************************************************************
Thermal Energy System Specialists (TESS), LLC 
David BRADLEY                      2916 Marketplace Drive - Suite 104 
Partner                            Madison, WI 53719 
                                   USA
P: +1.608.274.2577 
F: +1.608.278.1475
E-mail: bradley at tess-inc.com 
Web Pages:  http://www.tess-inc.com    and      http://www.trnsys.com

***********************************************************************

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