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Non-dimensionlizing N-S equation with Gravity

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Old   March 22, 2010, 22:28
Default Non-dimensionlizing N-S equation with Gravity
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Karan Anand
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I am trying to simulate a 2D flow in a rectangular cross-section over an obstacle with one inlet and one outlet. I have already tried non dimensionalizing the equation and acquired froude number but it seems to be relevant for centrifugal force, Grashoffs number which is relevant to change in temperature ( in my case there is no temperature involved). Is there a non-dimensionalized form of N-S equation that would satisfy my case with gravity involved ?
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