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Understanding k from kepsilon

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Old   December 4, 2008, 07:58
Default Hi.. Is it possible to inte
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Mark Herskind
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Hi..

Is it possible to interpret the squareroot of k in the k-epsilon model as the RMS value of the amplitude of the turbulent velocity fluctuations?
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Old   December 4, 2008, 08:00
Default Addition: The idea comes from
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Addition:
The idea comes from the units.. The amplitude of the turbulent velocity fluctuations are m/s, and the unit of k is m^2/s^2

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Mark Herskind
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Old   December 5, 2008, 03:58
Default Hi Mark, that's how turbulent
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Ville Tossavainen
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Hi Mark, that's how turbulent kinetic energy "k" is defined. Refer to any book about turbulence... or the first tutorial in the OpenFOAM User Guide.
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Old   December 5, 2008, 04:42
Default Thank you..
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Thank you..
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