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Integral Length Scale vs Turbulent Length Scale

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Old   August 4, 2009, 11:42
Default Integral Length Scale vs Turbulent Length Scale
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I have a paper that specifies an integral length scale, L.

The input option for fluent is for a turbulent length scale, l.

The paper does not specify how the value, L, was measured, though I assume it was a trait of the turbulence grid.

My question: is there a "standard" approach to convert L to l for use in Fluent. Granted this may not be correct, but at least it is standard.

Thanks

Scott
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Old   April 15, 2013, 06:27
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Paulina
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I have the same question.

If I know that for external flow in area with low buildings L=140m.
What turbulent length scale should I define in CFD?

Paulina
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Old   January 20, 2014, 01:17
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KangLuyang
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Quote:
Originally Posted by p_kmb View Post
I have the same question.

If I know that for external flow in area with low buildings L=140m.
What turbulent length scale should I define in CFD?

Paulina
Hi,
I have some impression that AIJ may have some materials about this, you could find from it.
Kang Luyang
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