CFX Multiphase - Fluid-fluid heat transfer

nasir · June 14, 2014, 17:19

Dear Experts
I need help and guidance from you. Need to do simulation in CFX. I have a coil
and hot air is entering in that coil at 750 K with inlet velocity of 0.2 m/sec and exiting into the atmosphere. That coil is enclosed inside a drum filled with water at 298.15 K, and water is closed inside the cylinder. Need to simulate the heat transfer from coil to water.
It may be a simple problem for you all but for me its difficult.

What i have done so far in CFX.
I made two domains in CFX, one is air and other is water. As both the fluid are separated and not touching each other i am not using homogeneous.
What is the mistake i am making ....... plz help

CCL file is attached

ghorrocks · June 15, 2014, 06:48

Please show an image of what you are modelling and any error messages you are getting.

nasir · June 15, 2014, 07:04

plz see the images of model and mesh

there is no error message but coil is not heating the water

ghorrocks · June 15, 2014, 18:44

Have you done the tutorial examples - like the heating coil?

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June 15, 2014, 06:48		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,703 Rep Power: 143	Please show an image of what you are modelling and any error messages you are getting.

June 15, 2014, 18:44		#4
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,703 Rep Power: 143	Have you done the tutorial examples - like the heating coil?