[Jonathan]

Hi,
We would like to model boiling and complete phase inversion in a boiling tube.
My original thought was to use the Eulerian model with

- Lee evaporation model and,
- TPC evaporation model

However, is full phase inversion and "boiling" possible using the above models, that is, complete change from the liquid to gas phase in the tube?

Or does one need to use the GENTROP or AIAD modelling approaches to simulate these problems.

Thanks in advance

[bidax]

Originally Posted by Jonathan

Hi,
We would like to model boiling and complete phase inversion in a boiling tube.
My original thought was to use the Eulerian model with

- Lee evaporation model and,
- TPC evaporation model

However, is full phase inversion and "boiling" possible using the above models, that is, complete change from the liquid to gas phase in the tube?

Or does one need to use the GENTROP or AIAD modelling approaches to simulate these problems.

Thanks in advance

I am currently working on flow boiling simulations using the VOF and LEE models. However, I have encountered an issue where the results do not seem to be reasonable. It appears that the LEE model does not account for nucleate boiling, which is critical for my analysis.

Could you kindly advise if there is a User-Defined Function (UDF) based on the LEE model that can simulate flow boiling more accurately?

Additionally, I have tried using the EULER-RPI model, but I have encountered difficulties with convergence. The computational resources required are also quite high, and the simulation takes a long time to run. Unfortunately, I do not have access to high-performance computing hardware.

Any guidance or suggestions you could provide would be greatly appreciated.

Thank you for your time and assistance.