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yfyap January 26, 2002 23:11

secondary flow intensity
hi there,

i'm doing simulations for the flow along a curved duct. for such geometry, secondary flow with two or more counter-rotating vortices are observed. my problem is how to measure the intensity of the secondary flow between different Dean number and curvature ratio, by defining the secondary flow intensity as the total vorticity in either the upper or the lower half of the ducts?

thanks in advance.



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