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[TRNSYS-users] Type 512 (TESS): Mass balance warning message



Hello,

 

I am running my simulation with a type 512 heat exchanger and I get the following warning message (no convergence errors, just warnings) at the end of my simulation (time step: 0.1 hour):

 

*** Warning at time       :     39384.000000

    Generated by Unit     :    45

    Generated by Type     :   512

    Message               : Heat exchanger mass balance failed during 112810 time steps. Please check the connections.

 

I do not understand what could be the reason for this. I have gone through my connections and they all seem fine (I do not get this problem with heat exchanger type 91).

 

Thanks for your help,

Ciarán

 

----------------------------------------

Ciarán Flynn

Research Scientist

 

Aalto University

Department of Energy Technology

P.O.Box 14100, 00076 Aalto

Otakaari 4, 02150 ESPOO