Estimate the dimensions of the rotors of a gear wheel pump for the following duty: liquid oil of viscosity 4 e-4 m²/s, overall efficiency = 0.6, volumetric efficiency = 0.9, number of teeth per rotor = 12, ratio of l/D = length/diameter = 1.5, ratio of D/C (where C is the distance between axes) = 1.18, discharge 350 lit/min, speed 750 rpm, pressure generated 10.5 kg/cm², what power input, horsepower, would be required?

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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.