A jet of water with a velocity of 30 m/s impinges on a series of smooth vanes, moving with a velocity of 12 m/s,at an angle of 30° to the direction of motion of vanes. The vane angle at outlet is 18°. Findi. the vane angle at inlet so that the water enters without shockii. the absolute velocity of the water at exit, andiii. the work done on the vanes per unit weight of water per sec entering the vanes.

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Mechanical Engineering

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Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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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.

Question

A jet of water with a velocity of 30 m/s impinges on a series of smooth vanes, moving with a velocity of 12 m/s,
at an angle of 30° to the direction of motion of vanes. The vane angle at outlet is 18°. Find
i. the vane angle at inlet so that the water enters without shock
ii. the absolute velocity of the water at exit, and
iii. the work done on the vanes per unit weight of water per sec entering the vanes.

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