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Re: [TRNSYS-users] naturel ventilation



Hi,

 

Honestly  firstly it should be stated that natural ventilation is so complex phenomena that simulation of this issue is very difficult – there is a lot of uncertainty (e.g. wind Cp value)

 

Using Type 56 (TRNBuild) you can only define natural ventilation (infiltration, ventilation mode, coupling flow of walls).

 

To simulate natural ventilation accurately you should try to use CFD software (Fluent/ANSYS, OpenFOAM-HVACTool, OpenFOAM-Helyx), there is possibility to coupling this softs with TRNSYS e.g. type 101.

 

You can try to simulate it in more coarse way using airflow network method/software – e.g. Contam, ESP-r or commercial TRNBuild plug-in: TRNFLOW.

There is possibility to coupling Contam or ESP-r model with TRNBuild – see type 97 and 130.

 

Contam is free airflow and contaminant distribution simulation software, ESP-r is free building performance (both thermal and airflow) simulation software.

 

Good luck,

Karol

 

 

 

 

 

From: jihad alaoui sosse [mailto:sys.energie@gmail.com]
Sent: Monday, March 25, 2013 4:09 PM
To: TRNSYS-users@cae.wisc.edu
Subject: [TRNSYS-users] naturel vantilation

 

how to model a naturel ventilation in a multizone building 

Cordialy.

--

                                              

Jihad Alaoui Sosse

Ingénieur d'étude

Département Energie

Tél : O648883325 ;

Courriel : sys.energie@gmail.com

NOVEC,  Filiale de CDG Développement - Groupe CDG

Angle Avenue Annakhil et Mehdi Ben Barka

Espace les Palmiers – Hay Riad – Rabat - MAROC

Site web : www.novec.ma

 

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