Water at 20 °C flows through the pump impeller shown in the figure below, where the inner and outer diameters of the impeller are 160 mm and 400 mm, respectively, and the width of the pump blades is 55 mm. Part A μA Blade Estimate the shaft power required to drive the pump at this operating condition. Express your answer to three significant figures and include appropriate units. W shaft = Value Pump impeller Units The impeller rotates at 3600 rpm. Under a particular operating condition, water enters in a direction normal to the inflow surface, the component of the outflow velocity normal to the outflow surface, Vr, is equal to 19 m/s, and the magnitude of the absolute velocity, V, at the outflow surface is 33 m/s. Outflow surface Inflow surface 4 160 mm ✓ 400 mm

Water at 20 °C flows through the pump impeller shown in the figure below, where the inner and outer diameters of the impeller are 160 mm and 400 mm, respectively, and the width of the pump blades is 55 mm. Part A μA Blade Estimate the shaft power required to drive the pump at this operating condition. Express your answer to three significant figures and include appropriate units. W shaft = Value Pump impeller Units The impeller rotates at 3600 rpm. Under a particular operating condition, water enters in a direction normal to the inflow surface, the component of the outflow velocity normal to the outflow surface, Vr, is equal to 19 m/s, and the magnitude of the absolute velocity, V, at the outflow surface is 33 m/s. Outflow surface Inflow surface 4 160 mm ✓ 400 mm

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter6: Fundamental Dimensions And Units

Section: Chapter Questions

Problem 38P

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