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votex drag coefficient?

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Old   September 27, 2004, 12:23
Default votex drag coefficient?
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lsm
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I see a ref.,it give a parameter k(y)=integral of Vyz**2*dz| from z1 to z2, and define votex drag coffiecient along x is C(x)=(integral of k(y))/(v**2*A)

what the mean of Vyz**2 or Vyz?

x is the direction of flow, z is horizontal.
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