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[TRNSYS-users] TRNFLOW changes airnode to constant pressure node



Dear TRNSYS users,

i have modelled a single family house with many thermal zones. Each room is a 
different thermal zone. I want to use TRNFLOW for more accurate results on 
infiltration and coupling air flow between zones.

The largest zone A has large openings to two other zones lets say B and C , with 
no door inbetween. 
So i model them as large openings in TRNFLOW , with an opening factor of 1.

However, when i save the bui file and open it again, the links to the thermal 
airnode B are replaced with constant pressure nodes , with 0 Pa pressure.

Why is this happening?  

Thanks in advance
Emmanouil Malliotakis

Dipl.Eng, MSc, PhD Candidate
National Technical University of Athens
School of Mechanical Engineering