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Re: [TRNSYS-users] (no subject)

Matias,
  Modeling natural ventilation isn't a very easy task - you need to link the building thermal model in TRNSYS with an airflow model using either COMIS 3.2, CONTAM (Type97) or TRNFlow. Each of those represents an airflow model of the building that determines the amount of ambient air that will flow into the building due to wind pressure and buoyancy (temperature and height difference) effects. You would presumably also have to write a model of a set of windows that open and close between your 5 and 21 C temperature set points. You might begin by looking at Type97's mathematical description and at the CONTAM example that is provided with TRNSYS.
Kind regards,
 David

Matias Garcia wrote:
Hello!
I am trying to simulate an office room with radiatiors, cool ceeling and AHU. I want to use natural ventilation whenver is possible ( this would be between 5 to 21 degrees of external temperature). Could someone help me with the types that I should use, or a brief idea on how should I proceed?
Thanks a lot!!

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