14.14 A cast iron pipe (E = 1.0 × 10¹¹ Pa) is 0.9 m in diameter and carries water (K=2.0 x 10⁹ Pa) at a velocity of 2.60 m/s. A valve in this pipe is instantaneously closed bringing the flow to a sudden stop at the valve end. Estimate the water hammer head produced due to this action. The pipe thickness is 1.25 cm and the pipe can be treated as elastic. Solution: The velocity of pressure wave 1/2 1 C=√√Klp 1+ (D/t) (K/E)

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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14.14 A cast iron pipe (E = 1.0 × 10¹¹ Pa) is 0.9 m in
diameter and carries water (K = 2.0 x 10⁹ Pa) at a
velocity of 2.60 m/s. A valve in this pipe is
instantaneously closed bringing the flow to a
sudden stop at the valve end. Estimate the water
hammer head produced due to this action. The
pipe thickness is 1.25 cm and the pipe can be
treated as elastic.
Solution: The velocity of pressure wave
1/2
C = √K/P (1 + (D/D) (K/E))
Transcribed Image Text:14.14 A cast iron pipe (E = 1.0 × 10¹¹ Pa) is 0.9 m in diameter and carries water (K = 2.0 x 10⁹ Pa) at a velocity of 2.60 m/s. A valve in this pipe is instantaneously closed bringing the flow to a sudden stop at the valve end. Estimate the water hammer head produced due to this action. The pipe thickness is 1.25 cm and the pipe can be treated as elastic. Solution: The velocity of pressure wave 1/2 C = √K/P (1 + (D/D) (K/E))
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