[TRNSYS-users] TYPE 97 and CONTAM

David Bradley bradley at tess-inc.com
Thu Jul 19 11:57:27 PDT 2007

   It may be an issue of air density. I think 
that CONTAM reports volumetric flows while TRNSYS 
uses mass flows. I am not sure that there is any 
way of finding out what the density of the air flows in CONTAM is.

At 11:53 7/19/2007, giacomo.villi at unipd.it wrote:

>I am having some problems with TYPE 97. I am modeling a single zone building
>and i have told TYPE 97 to print the airflow from that zone to the ambient
>and from the ambient to that zone (the two values should be the same of
>course) as
>I want to be sure that everything is working properly.
>Air is supposed to flow in from one device at the bottom of the zone and
>it is leaving from three exits in the top.
>In CONTAM everything seems to work fine but in TRNSYS i am told that the
>two values (inflow and outflow) are different.
>Any help will be appreciated,
>thanks in advance
>Giacomo Villi
>Univerisità degli Studi di Padova
>Dipartimento di Fisica Tecnica (DFT)
>Tel: +39 049 8276871
>TRNSYS-users mailing list
>TRNSYS-users at engr.wisc.edu

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