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Problem 3.20
[Difficulty: 2]
Given:
Twofluid manometer as shown
l
10.2 mm
⋅
=
SG
ct
1.595
=
(From Table A.1, App. A)
Find:
Pressure difference
Solution:
We will apply the hydrostatics equation.
Governing equations:
dp
dh
ρ
g
⋅
=
(Hydrostatic Pressure  h is positive downwards)
ρ
SG
ρ
water
⋅
=
(Definition of Specific Gravity)
d
z
Assumptions:
(1) Static liquid
(2) Incompressible liquid
Starting at point 1 and progressing to point 2 we have:
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This note was uploaded on 10/19/2011 for the course EGN 3353C taught by Professor Lear during the Fall '07 term at University of Florida.
 Fall '07
 Lear
 Statics, Fluid Mechanics

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