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As for the Re,From the above equation for Area, I got 13.56 m^2.With flow 30, V=2.21 m/sRe=DV/vI haven't seen a Reynolds problem for open channel trapezoidal flow. Do you use the depth from above for the flow diameter, d=1.3m. That is what I would assume given no other info. You also didn't give the water temp for viscosity, so I'll assume its 50 deg and therefore v=.0000141. Plugging in those numbers I get and Re of 2X10^5.
As for the Re,
From the above equation for Area, I got 13.56 m^2.
With flow 30, V=2.21 m/s
Re=DV/v
I haven't seen a Reynolds problem for open channel trapezoidal flow. Do you use the depth from above for the flow diameter, d=1.3m. That is what I would assume given no other info. You also didn't give the water temp for viscosity, so I'll assume its 50 deg and therefore v=.0000141. Plugging in those numbers I get and Re of 2X10^5.
