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August 18, 2007, 10:24 |
How to evaluate length scale for a pipe flow
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#1 |
Guest
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Hi I want to use the turbulence intensity and length scale in my turbulence specification method but I do not know how to estimate the length scale value? knowing that I have a 3D pipe with diameter 0.0985 m?
Regards Kb |
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August 19, 2007, 15:06 |
Re: How to evaluate length scale for a pipe flow
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#2 |
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Hi
The length scale is usually the length of the opening, which is the diameter in your case. |
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August 21, 2007, 08:49 |
Re: How to evaluate length scale for a pipe flow
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#3 |
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Hi AAA thanks to the reply. If it the diameter what you think should I multiply it then by 0.07 or no? I saw in the manual that length scale=0.07 * l? what you say?
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August 21, 2007, 14:14 |
Re: How to evaluate length scale for a pipe flow
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#4 |
Guest
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Hi
You are right (I was wrong!). Since you have a pipe flow, the turbulence length scale is the pipe diameter multiplied by 0.07. Regards AAA |
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