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Showing results 1 to 5 of 5 Search took 0.00 seconds. Search: Posts Made By: LuckyTran

Forum: FLUENT April 29, 2012, 16:47

Replies: 9 low heat transfer and nusselt number below 1. Views: 8,235 Posted By LuckyTran Check pressure, temperature, velocity residuals... Check pressure, temperature, velocity residuals don't say anything about convergence

Forum: FLUENT April 29, 2012, 15:54

Replies: 9 low heat transfer and nusselt number below 1. Views: 8,235 Posted By LuckyTran well you're certainly not helping yourself. Stick... well you're certainly not helping yourself. Stick to the physics, not arbitrary divisions. Since this is 2D, it is done with axissymetric type domain correct? Check your convergence by...

Forum: FLUENT April 29, 2012, 13:42

Replies: 9 low heat transfer and nusselt number below 1. Views: 8,235 Posted By LuckyTran No real fix, but some small errors. ... No real fix, but some small errors. This needs to be mass weighted average and not area-weighted average. Which did you use? Either way, it will not affect the Nu that much. this part...

Forum: FLUENT April 29, 2012, 12:30

Replies: 9 low heat transfer and nusselt number below 1. Views: 8,235 Posted By LuckyTran What's the outlet temperature? Is it above 400K? ... What's the outlet temperature? Is it above 400K? How are you calculating this magical total surface heat flux? First, there isn't even such a quantity as total surface heat flux. Did you mean...

Forum: FLUENT April 29, 2012, 11:19

Replies: 9 low heat transfer and nusselt number below 1. Views: 8,235 Posted By LuckyTran Nusselt number can't be less than 1. Also... Nusselt number can't be less than 1. Also what are you trying to solve in this simulation? Either way this problem can be solved easily without CFD. Use the Dittus-Boelter correlation or similar...

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