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Reg: simplified modeling of evaporation of water droplet in a stream of hot air flowing over it

Posted 13 avr. 2010, 01:55 UTC−4 0 Replies

Sakthish Sathasivam
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Hi,

I just want to simulate the momentum and heat transfer between a droplet in a moving air stream. I have used the(Multi-phase) k-epslon turbulent model for momentum transfport and Convection adn conduction heat transfer model extended with turbulent heat transfer. I have 2 problems,( THe droplet is modelled as a circle in 2D with axial symmetry)

I am not sure how to specify/calculate the turbulent thermal conductivity

After i run the model with zero turbulent thermal conductivity, there seems to be no heat transfer between the droplet and air stream.

Could someone please help with this.

Thanks,


Sakthish
0 Replies Last Post 13 avr. 2010, 01:55 UTC−4
COMSOL Moderator

Hello Sakthish Sathasivam

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