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Engineering Fluid Mechanics | 10th Edition | ISBN: 9781118164297 | Authors: Donald F. Elger, Barbara C. Williams Clayton T. Crowe, John A. Roberson
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The pump used in the system shown has the characteristics given in Fig. 14.8 on p. 525

Chapter 14, Problem 14.15

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QUESTION:

The pump used in the system shown has the characteristics given in Fig. 14.8 on p. 525 of 14.2. What discharge will occur under the conditions shown, and what power is required?

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QUESTION:

The pump used in the system shown has the characteristics given in Fig. 14.8 on p. 525 of 14.2. What discharge will occur under the conditions shown, and what power is required?

ANSWER:

Step 1 of 4

Consider the given data as follows.

The length of a pipe is .

The propeller diameter of the Steel pipe is .

From the figure 14.8, the efficiency is .

The rotational speed is  .

The rotational speed is .

 

At maximum efficiency, see the given figure 14.7, the efficiency line where the slop becomes zero, from this point note the value of the following parameters.

Discharge coefficient is .

Head coefficient is .

Power coefficient is .

 

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