Liquid of mass density p is flowing along a horizontal pipe of variable cross-section, and the pipe is connected with a differential pressure gauge at two points A and B. Show that if (pr-p:) is the pressure indicated by the gauge, the mass m of liquid flowing through the pipe per second is given by, 2p(P1-P2) m = 01 02 where o, 02 are the cross-sections at A, B respectively.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Course: Fluid Mechanics 

Liquid of mass density p is flowing along a horizontal pipe of variable cross-section, and the pipe
is connected with a differential pressure gauge at two points A and B. Show that if (pr-p:) is the
pressure indicated by the gauge, the mass m of liquid flowing through the pipe per second is given
by,
2p(P1-P2)
m = 01 02
where o, 02 are the cross-sections at A, B respectively.
Transcribed Image Text:Liquid of mass density p is flowing along a horizontal pipe of variable cross-section, and the pipe is connected with a differential pressure gauge at two points A and B. Show that if (pr-p:) is the pressure indicated by the gauge, the mass m of liquid flowing through the pipe per second is given by, 2p(P1-P2) m = 01 02 where o, 02 are the cross-sections at A, B respectively.
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