An external cylindrical mouthpiece of diameter 150 mm is discharging water under a constant head of 6 m. If C_ for vena-contracta = 0.62,C, = 0.855 and atmospheric pressure head = 10.3 m of water, find: %3D (i) Discharge through the mouthpiece, and (ii) Absolute pressure head of water at vena contracta.

An external cylindrical mouthpiece of diameter 150 mm is discharging water under a constant head of 6 m. If C_ for vena-contracta = 0.62,C, = 0.855 and atmospheric pressure head = 10.3 m of water, find: %3D (i) Discharge through the mouthpiece, and (ii) Absolute pressure head of water at vena contracta.

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

An external cylindrical mouthpiece of diameter
150 mm is discharging water under a constant
head of 6 m. If C, for vena-contracta = 0.62,C,
= 0.855 and atmospheric pressure head = 10.3
m of water, find:
21.
(i) Discharge through the mouthpiece, and
(ii) Absolute pressure head of water at vena
contracta.
[Ans. (i) 0.1639 m² /s, (ii) 496 m (abs.)]

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