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Re: [TRNSYS-users] Mechanical versus Natural ventilation



Thanks Adrien.

 

But my goal is to cool down an office with natural ventilation while a mechanical ventilation (for the airflow complying with the requirements of regulations) is running.

So if I get your point, it’s impossible to evaluate AT THE SAME TIME an airflow from mechanical and natural ventilation… Is it correct ?

 

See U

 

De : trnsys-users-bounces@cae.wisc.edu [mailto:trnsys-users-bounces@cae.wisc.edu] De la part de ITF - Adrien JEZEQUEL
Envoyé : vendredi 5 juillet 2013 11:56
À : trnsys-users@cae.wisc.edu
Objet : Re: [TRNSYS-users] Mechanical versus Natural ventilation

 

Dear Thomas,

When you use trnflow, mechanical ventilation defined in ventilation manager in trnbuild are set to 0 and airflows are evaluated with trnflow.
With mechanical ventilation, it's easier to use ventilation manager instead of trnflow.
If you want to use mechanical and natural ventilation, you may use an input called TRNFLOW_ON (for example) and connect it to type 56 :

  • when mechanical ventilation is used, TRNFLOW_ON = 0 (airflows are calculated with ventilation type manager)
  • when natural ventilation is necessary, TRNFLOW_ON = 1 (airflows are calculated with trnflow)

Best regards


www.itf.biz
www.itf.biz

Adrien JEZEQUEL
Simulations Thermiques Dynamiques

ITF

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73230 St Alban Leysse
FRANCE

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Le 05/07/2013 11:33, MAIS, Thomas a écrit :

Hello T-users,

 

I’m facing an issue using TRNFlow with TRNSYS.

It seems that Natural ventilation applied thanks to TRNFlow makes the mechanical ventilation (apply in the BUILD or in the STUDIO) disappear…

 

In other words, I think that natural AND mechanical ventilation can’t be simulated at the same time.

 

1.      Am I right ?

2.      Is there any possibilities to “fix” it ?

 

Thanks a lot !

 

 

Thomas Mais

Stagiaire Construction Durable

 

 

Bouygues Bâtiment

Ouvrages Publics

2, rue Transversale
92635 Gennevilliers Cedex
www.bouygues-batiment-ile-de-france.com

 

 

 

 




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