The working liquid with viscosity  = 0.2 St and

The working fluid with a viscosity of  = 0.2 St and a density of  = 900 kg / m3 is fed to the press cylinder by a cargo accumulator through a pipeline of length l and diameter d. The weight of the load of the accumulator G, the diameter of the piston D1 = 220 mm. Determine the speed of the plunger, if the pressing force F, and the diameter of the plunger D2 = 300 mm. The flow regime in the pipe is laminar. The weight of the plunger is neglected.
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