The radial component of velocity of water leaving a centrifugal pump is 15 m/s. The magnitude of the absolute velocity of water at the pump exit is 30 m/s. Water enters the pump rotor radially. The pump has inner impeller radius of 0.05 m and outer impeller radius of 0.2 m. The impeller rotates at 2000 rpm. (b) (d) (e) Sketch the velocity triangle diagrams at the inlet and the exit of the centrifugal pump. Label each velocity vector clearly. Define U as absolute velocity of blade, V as absolute velocity of water, W as relative velocity of water. Determine the absolute velocity of blade at the inlet and the exit of the centrifugal pump. Determine the tangential component of velocity at the inlet and the exit of the centrifugal pump. Determine the radial component of velocity at the inlet of the centrifugal pump. Determine the relative velocity of water at the inlet and the exit of the centrifugal pump.

The radial component of velocity of water leaving a centrifugal pump is 15 m/s. The magnitude of the absolute velocity of water at the pump exit is 30 m/s. Water enters the pump rotor radially. The pump has inner impeller radius of 0.05 m and outer impeller radius of 0.2 m. The impeller rotates at 2000 rpm. (b) (d) (e) Sketch the velocity triangle diagrams at the inlet and the exit of the centrifugal pump. Label each velocity vector clearly. Define U as absolute velocity of blade, V as absolute velocity of water, W as relative velocity of water. Determine the absolute velocity of blade at the inlet and the exit of the centrifugal pump. Determine the tangential component of velocity at the inlet and the exit of the centrifugal pump. Determine the radial component of velocity at the inlet of the centrifugal pump. Determine the relative velocity of water at the inlet and the exit of the centrifugal pump.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

The radial component of velocity of water leaving a centrifugal pump is 15 m/s. The
magnitude of the absolute velocity of water at the pump exit is 30 m/s. Water enters the
pump rotor radially. The pump has inner impeller radius of 0.05 m and outer impeller
radius of 0.2 m. The impeller rotates at 2000 rpm.
(a)
(b)
(c)
(d)
(e)
Sketch the velocity triangle diagrams at the inlet and the exit of the centrifugal
pump. Label each velocity vector clearly. Define U as absolute velocity of blade,
V as absolute velocity of water, W as relative velocity of water.
Determine the absolute velocity of blade at the inlet and the exit of the
centrifugal pump.
Determine the tangential component of velocity at the inlet and the exit of the
centrifugal pump.
Determine the radial component of velocity at the inlet of the centrifugal pump.
Determine the relative velocity of water at the inlet and the exit of the
centrifugal pump.

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