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May 8, 2013, 16:29 |
Hydraulic diameter & Reynolds number
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#1 |
New Member
Faisal Baz
Join Date: May 2013
Posts: 1
Rep Power: 0 |
Dear all,
I am simulating the fluid flow and heat transfer characteristics associated with cooling an in-line array of discrete protruding heat sources in a channel by using impinging jet. How is FLUENT calculating hydraulic diameter for this channel? How is FLUENT calculating Reynolds Number in this channel? Thanks with regards, Faisal |
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May 10, 2013, 06:12 |
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#2 |
Senior Member
A-A Azarafza
Join Date: Jan 2013
Posts: 226
Rep Power: 14 |
Hey guy
Regarding to hydraulic diameter, I think there's no difficulty, calculate it according to (4*A)/P A is the cross area and P is is wetted perimeter of your entrance geometry. Regarding to the 2nd question, run your model, get the result and define Reynolds number via, define/ Custom field function. The only thing is to define your formula. Once you define it, it'll be available like other variable and you can postprocess it whatever you like.
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Regard yours |
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Tags |
hydraulic diameter, reynolds number |
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