I am new in Fluent. Can anyone tell me if Fluent can simulate evaporation and condensation of water in a pipe? I would appreciate it if anyone can help me! Thanks a lot!

of course it can, read fluent user's guide

Really? Can Fluent simulate two phase flow in a pipe and track the interface between liquid and vapor and discontinuity through the interface?

see VOF model

Thnanks a lot!

I am really not familiar with Fluent, Could you please recommend some references which did similar problem?

Thanks a lot!

[radiation.boy]

Use evaporation condensation model in Fluent 12.1 ... u will see it when u activate mixture model and in phases click on interaction button... there u vl open a page with many tabs .. click on mass tab and u vl open a window in which u can give number of mass transfer mechanisms ... by defualt it vl be zero change it to one and den select from mass transfer mechanism condensation evaporation model and den give ur saturation temperature and frequency of evaporation and condensation datz all...

[Maria Jesus]

hi.

I'm new in fluent.

i'm working in a model with water evaporation, but i can't understand the "saturation temperature" idea, because the temperature change a lot when i use it...

Could someone help me with that concept, please.

Thanks.

[radiation.boy]

Originally Posted by Maria Jesus

hi.

I'm new in fluent.

i'm working in a model with water evaporation, but i can't understand the "saturation temperature" idea, because the temperature change a lot when i use it...

Could someone help me with that concept, please.

Thanks.

U have tio analyze the temprature and pressure decrement rate and then accoding to these value u have to define a udf for saturtion tempteraure... if u dont know the temp and press decreamemnt rate then u have to assume it ok

[foolstop]

hi， did you use the vof model successfully simulate the process of condensation? what's your results? and any condensation phenomenon occur?