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Showing results 1 to 6 of 6 Search took 0.00 seconds. Search: Posts Made By: hamednoordoost@yahoo.com

Forum: FLUENT April 4, 2013, 02:54

Replies: 12 free convection around shallow sphere Views: 2,189 Posted By hamednoordoost@yahoo.com [solved] hi again i solved my problem. for natural convection it is appropriate to stimulate the environment by using pressure far field as your environment BC. *pressure far field are more better than wall...

Forum: FLUENT February 25, 2013, 09:44

Replies: 12 free convection around shallow sphere Views: 2,189 Posted By hamednoordoost@yahoo.com you mean to use pressure-far-field at outer... you mean to use pressure-far-field at outer boundary?(some friend suggest that but then what to do with bussinesq?) then i have to use ideal gas instead of bussinesq! and it give me floating point...

Forum: FLUENT February 25, 2013, 07:30

Replies: 12 free convection around shallow sphere Views: 2,189 Posted By hamednoordoost@yahoo.com all of the BC's are wall... the far field at 30... all of the BC's are wall... the far field at 30 degree for simulating environment air.... the smallest circle(inner surface of sphere) are wall at 328 degree and intersection between solid and circle...

Forum: FLUENT February 24, 2013, 14:29

Replies: 12 free convection around shallow sphere Views: 2,189 Posted By hamednoordoost@yahoo.com thanks flotus1, i have a new problem on this... thanks flotus1, i have a new problem on this case...scale... the scale of this problem is -1 to +1 m and the above solution is on -1 to +1 cm!!! when i change scale to -1 to +1 m solution...

Forum: FLUENT February 24, 2013, 02:30

Replies: 12 free convection around shallow sphere Views: 2,189 Posted By hamednoordoost@yahoo.com Picture a picture on my solution are attached the problem are on inner circle that are same temp as inner wall!!!

Forum: FLUENT February 22, 2013, 12:07

Replies: 12 free convection around shallow sphere Views: 2,189 Posted By hamednoordoost@yahoo.com free convection around shallow sphere hi i try to solve temperature around an sphere that inner temperature of sphere is known and the surface temperature need to calculated. there is free convection(in air) around sphere. after...

Showing results 1 to 6 of 6

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