[elina]

Hallo Friends

I am doing a heat transfer simulation esp Convection between hot fluid and cold Sphere in a channel...I am not able to see any convection between the solid body and the fluid..
the fluid is 370K and the spehre is 300K and I meshed it in Ansys workbench and trying to simulate in Fluent..And for steady state condition am not able to see any change..my outlet temperature seems to be the same 370K or 369.97K dont know why..Can someone help me....guide me please....

[MVlahi]

Hi Elina,

Did you define a solid-fluid contact interface? If not that should solve your problem.

[elina]

Hallo Sir

In the named Selection I gave all the 4 sides as symmetry and an inlet and Pressure _outlet and just selected the body and assigned as sphere and water for the solid and fluid zone....I hope thats all we have to give...

And in the fluent setup I get the boundry cinditions as these :sphere symmetry,interior_sphere,water _symmetry,interior _water,velocity _inlet,pressure _outlet,sphere_water _wall,sphere_water_wall _shadow

Thats all I am getting and I thought this walls are the contacts....isnt it..??
Kindly help if I am wrong.........