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Scalar Diffusivities

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Old   December 6, 2004, 09:51
Default Scalar Diffusivities
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A
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Hi all ,

I wanted to study how a scalar would spread out when introduced into a flow field. I am aware that FLUENT allows UDS to be defined , What would be the typical value of diffusivity I should use to gain an understanding as to how the flow would spread out this blob of scalar.

Thanks -A
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