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Numerical instability for high vapour volume fractions

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May 30, 2024, 10:11	Numerical instability for high vapour volume fractions	#1
BoilingGuy New Member Join Date: May 2024 Posts: 1 Rep Power: 0	Hi everyone, I am doing my master thesis in multiphase flows, more specifically flow boiling. I am using the Eulerian-Eulerian framework with the Lee and Thermal Phase Change models. I have noticed that my simulations become more unstable when the vapour volume fraction increases (more vaporization in the solution). Does anyone have any ideas as to why this might be the case?

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