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Wall temperature keeps rising in Pool Boiling simulation with Lee and VOF |
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March 28, 2024, 02:33 |
Wall temperature keeps rising in Pool Boiling simulation with Lee and VOF
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marcus aurelius
Join Date: Sep 2023
Posts: 16
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This is a general question and not related to specific CFD software as this problem can be seen in all softwares.
I am trying to simulate 2D saturated pool boiling case with constant heat flux boundary condition on solid wall (having conduction) in ANSYS Fluent. I use LEE model and VOF interface method is used. I am seeing that wall temperature keeps rising and rising unrealistically too high in transient simulation with time. Even after waiting for 20 seconds of simulation, the wall temperature does not achieve a pseudo-steady-state situation where temperature stabilizes and does not increase further. What fundamental mistake am I doing in this simulation? In Past I tried openFoam as well, but I had encountered same problem as well. |
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boiling, conjugate heat transfer, lee model, multiphase, phase change |
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