(a) To determine The pressure difference between section 1 and 2. Explanation The figure illustrates the flow and dimensions. Figure-(1) Write the pressure equilibrium equation between section 1 and 2 taking a - a ′ axis as datum. P 1 + γ w ( ( 5 sin θ ) + h 2 ) − γ Hg g h 2 = P 2 P 1 − P 2 = γ Hg g h 2 − γ w ( ( 5 sin θ ) + h 2 ) (I) Here, the gauge pressure at section 1 is P 1 , the gauge pressure at section 2 is P 2 , the height of manometric column is h 2 , the specific weight of water is γ w , the specific weight of manometric fluid is γ Hg . Conclusion: Substitute 62.4 lb / ft 3 for γ w , 848.64 lb / ft 3 for γ Hg , 6 in for h 2 , 848.64 lb / ft 3 , 30 ° for θ in Equation (I) (b) To determine The loss between the section 1 and 2. (c) To determine The axial force exerted by the pipe wall on the flowing water between section 1 and 2.

8th Edition

ISBN: 9781119571490

Author: GERHART

Publisher: WILEY

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Chapter 5.3, Problem 124P

(a)

To determine

The pressure difference between section 1 and 2.

(b)

To determine

The loss between the section 1 and 2.

(c)

To determine

The axial force exerted by the pipe wall on the flowing water between section 1 and 2.

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Chapter 5.3, Problem 122P

Chapter 5.3, Problem 125P

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Chapter 5 Solutions

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