How to set the boundary condition for temperature in the case of modeling a counter-f -- CFD Online Discussion Forums

September 30, 2019, 13:05	How to set the boundary condition for temperature in the case of modeling a counter-f	#1
ENG.AHMAD New Member AHMAD ABOULKHAIL Join Date: Nov 2018 Location: Turkey Posts: 9 Rep Power: 7	I am trying to take advantage of the periodic boundary conditions in ANSYS FLUENT program to model a small area of a heat exchanger with a counter-flow. In boundary conditions I can put the entry temperature for one fluid only but for the other fluid how we will put the temperature where it is not known !! Please help me Note: The geometry of the exchanger towards the flow is frequent so I want to use periodic limit conditions to reduce calculation time and improve network quality.

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