The figure below represents performance, in non-dimensional form, for a family of centrifugal pumps. For a pump from this family with a characteristic diameter of 0.45 m operating at maximum efficiency and pumping water at 15°C with a rotational speed of 1600 rpm, estimate (a) the head, (b) the discharge rate, (c) the pressure rise, and (d) the brake horsepower.

Transcribed Image Text:

1.0 0.9 0.8 = 0.7 0.6 –CH\ 4 0.8 Cp- 0.6 0.4 H0.2 0.1 0.2 0.3 Co Но Cp