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In [5]: L = 5 d = 0.02 nu = 1e-6 rho = 1000 u = 0.001 Re = u*d/nu print "Re = %f" % Re f = 64.0/Re dp = 0.5*f*rho*u*u*L/d print "dp = %f Pa" % dp
L = 5 d = 0.02 nu = 1e-6 rho = 1000 u = 0.001 Re = u*d/nu print "Re = %f" % Re f = 64.0/Re dp = 0.5*f*rho*u*u*L/d print "dp = %f Pa" % dp
Re = 20.000000 dp = 0.400000 Pa