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Forum: FLUENT

November 14, 2014, 01:43

Replies: 7

natural convection

Views: 1,364

Posted By dreamz

If the unit if temperature is degree Celsius then...

If the unit if temperature is degree Celsius then the nusselt numbern comes to be around 31

Forum: FLUENT

November 13, 2014, 12:54

Replies: 7

natural convection

Views: 1,364

Posted By dreamz

Even I got convergence. However you haven't...

Even I got convergence. However you haven't mentioned the unit if temperature for the given values. Is it celcius or kelvin?
After that I will try to verify the nusselt no.

Forum: FLUENT

November 12, 2014, 11:45

Replies: 7

natural convection

Views: 1,364

Posted By dreamz

For grashof number below 10^8 we have laminar...

For grashof number below 10^8 we have laminar natural convection. Based upon the inputs that you have shared, I think you are going fine and you should achieve convergence. Have you got it?

Forum: FLUENT

November 11, 2014, 19:51

Replies: 7

natural convection

Views: 1,364

Posted By dreamz

First find grashoff number for your flow and...

First find grashoff number for your flow and decide the nature of your flow whether laminar, turbulent etc. Then specify boussinesq's approximation under the density tab for the material in your...

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