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Reconsider Prob. 5-51. Determine how long it will take to

Fluid Mechanics | 2nd Edition | ISBN: 9780071284219 | Authors: Yunus A. Cengel, John M. Cimbala ISBN: 9780071284219 39

Solution for problem 48P Chapter 5

Fluid Mechanics | 2nd Edition

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Fluid Mechanics | 2nd Edition | ISBN: 9780071284219 | Authors: Yunus A. Cengel, John M. Cimbala

Fluid Mechanics | 2nd Edition

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Problem 48P

Reconsider Prob. 5-51. Determine how long it will take to empty the swimming pool completely.

PROBLEM: The water in a 8-m-diameter, 3-m-high above ground swimming pool is to be emptied by unplugging a 3-cm- diameter, 25-m-long horizontal pipe attached to the bottom of the pool. Determine the maximum discharge rate of water through the pipe. Also, explain why the actual flow rate will be less.

Step-by-Step Solution:

Introduction

Consider the water tank of 3 meter height and 8m diameter in which a pipe is connected horizontally at the bottom of the tank having a diameter 3 cm is shown in the picture.

        

Step 1 

From figure it's clear the pressure at the point (1) at the surface of the water in the pool is equal to the pressure at the point (2) taken at the exit end of the pipe.

The bernoulli's equation  

Fluid velocity at the surface is zero

Z2 is the reference level at the pipe exit is also zero so the above equation become

Therefore the flowing velocity at the  pipe end

Step 2</p>

The  flow rate of water through the pipe

Step 3 of 4

Chapter 5, Problem 48P is Solved
Step 4 of 4

Textbook: Fluid Mechanics
Edition: 2
Author: Yunus A. Cengel, John M. Cimbala
ISBN: 9780071284219

Fluid Mechanics was written by and is associated to the ISBN: 9780071284219. The full step-by-step solution to problem: 48P from chapter: 5 was answered by , our top Engineering and Tech solution expert on 07/03/17, 04:51AM. The answer to “Reconsider Prob. 5-51. Determine how long it will take to empty the swimming pool completely.PROBLEM: The water in a 8-m-diameter, 3-m-high above ground swimming pool is to be emptied by unplugging a 3-cm- diameter, 25-m-long horizontal pipe attached to the bottom of the pool. Determine the maximum discharge rate of water through the pipe. Also, explain why the actual flow rate will be less.” is broken down into a number of easy to follow steps, and 64 words. This textbook survival guide was created for the textbook: Fluid Mechanics, edition: 2. This full solution covers the following key subjects: Pool, pipe, rate, Water, swimming. This expansive textbook survival guide covers 15 chapters, and 1547 solutions. Since the solution to 48P from 5 chapter was answered, more than 422 students have viewed the full step-by-step answer.

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