Concept explainers
(a)
The volume flow rate from the tank for no loss.
Answer to Problem 3.126P
The volume flow rate from the tank for no loss is
Explanation of Solution
Given information:
The liquid in the tank is kerosene at
Concept Used:
The following figure shows the two sections where we apply Bernoulli equation.
Figure-(1)
Write the expression for Bernoulli equation at section (1) and section (2).
Substitute
Here, the pressure at section (1) is
Write the expression for the volume flow rate for the tank.
Here, area of the hole is
Write the expression for the area of the hole.
Here, the diameter of the hole is
Calculation:
Substitute
Refer to table A.3, “Properties of common liquids” to obtain the value of density of kerosene at
Substitute
Substitute
Conclusion:
Thus, the volume flow rate from the tank for no loss is
(b)
The volume flow rate from the tank for pipe losses.
Answer to Problem 3.126P
The volume flow rate from the tank for pipe losses is
Explanation of Solution
Given information:
The pipe losses in the form of head losses are given by
Concept Used:
Write the expression for the Bernoulli equation at section (1) and section (2).
Write the expression for volume flow rate for the tank.
Write the expression for the area of the hole.
Calculation:
Substitute
Substitute
Conclusion:
Thus, the volume flow rate from the tank for pipe losses is
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Chapter 3 Solutions
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