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Validation setting for bluff body under cross flow

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Old   October 16, 2020, 12:07
Default Validation setting for bluff body under cross flow
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Amir fit
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I am trying to do validation for a bluff body under cross flow in fluent.

I understand that for getting the Strouhal number, the setting should be
viscosity =0.01,
and for Re=100, if the diameter is 1, then the velocity is 1.

But in the case of non circular body, which dimension of diameter should I use to calculate the velocity? The flow is in the X-direction.
Should I use diameter in the x direction (1m) or y direction(1.5m)?

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bluff body validation, strouhal number

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