Answered: Patm 2 cm I.D. Ball Valve Patm

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 drain on a large tank of liquid consists of a ball valve with a 2 cm inside diameter that connects to the tank with a well-rounded flow entrance. The height of the fluid surface above the valve entrance is denoted h. The pressure in the air space above the surface of the fluid is the same as that outside of the tank, P_atm.

With the valve fully open, the shape of the tank can be taken to a cylinder with a diameter of 2 meters. Use integration to find the
amount of time it takes for the tank to drain down to the level of the valve ℎ = 0, from an initial level of ℎ = 6
meters.

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