[TRNSYS-users] Natural ventilation in TRNFLOW and HVAC components

[Adrien JEZEQUEL]

Hi Timothé,
When TRNFLOW works, ventilation and ventilation from Type56 are desactivated.
You can use Trnflow only when you need to calculate natural ventilation airflows and use Trnflow input to do this. This can be = 1 when you want to use Trnflow and 0 otherwise.
If you want to use Trnflow all the time, you may combine auxiliary airnode (with temperature of your air heater) and fan.
Best regards
--
Absent les mercredis
[logo-mail_oteis]Adrien JEZEQUEL
Calculs Numériques, Simulations Thermiques Dynamiques
62 rue du Bolliet
73230 SAINT-ALBAN-LEYSSE
+33(0) 479 750 029
+33(0) 615 295 107
www.oteis.fr<http://www.oteis.fr/fr/>
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De : TRNSYS-users <trnsys-users-bounces at lists.onebuilding.org> De la part de Lalonde, Timothé via TRNSYS-users
Envoyé : mardi 21 janvier 2020 18:52
À : trnsys-users at lists.onebuilding.org
Cc : Lalonde, Timothé <timothe.lalonde.1 at ens.etsmtl.ca>
Objet : [TRNSYS-users] Natural ventilation in TRNFLOW and HVAC components

To whom it may concern,

I am using TRNFLOW to model natural ventilation through some window openings.

However, I also need to include a air heater (Type663). How I would normally do this is by creating a new ventilation regime in TRNBUILD and connecting the air flow rate, temperature and humidity inputs to the outputs of the Type663.

I noticed that the ventilation and infiltration regimes defined in TRNBUILD seems to be ignored when using TRNFLOW. Can somebody confirm this?

If so, how would one proceed to model natural ventilation in TRNFLOW and the air heater?

I would be grateful for any support/confirmation on these issues.

Cordialement / Regards,

Timothé Lalonde
Étudiant à la maîtrise en efficacité énergétique et énergies renouvelables
École de technologie supérieure
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