Problem-1 Water is pumped from the large tank through a uniform diameter pipe (d = 3 in.) and exits as a free jet (refer figure-a). The plot of the flowrate (Q) versus pump-head (hp) is a straight-line graph that passes through points (3, 16) as shown in figure-b. If the pipe friction head loss is, h = 7V:/2g, where V is the average fluid velocity in the pipe, find a) the equation that relates hp and Q; b) flowrate and c) If the pump is 75% efficient, what horsepower is needed to drive it? Assume steady, incompressible flow. Ignore kinetic energy correction factor (a).

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Use the following given values to solve problems, unless otherwise stated.
Ywater = 9790 N/m³ = 62.4 lbf/ft°; g = 9.81 m/s? = 32.2 ft/s²; 1 hp = 550 lbf-ft/s = 746 Watts
Problem-1
Water is pumped from the
large tank through a uniform diameter pipe (d = 3 in.)
and exits as a free jet (refer figure-a). The plot of the
flowrate (Q) versus pump-head (hp) is a straight-line
graph that passes through points (3, 16) as shown in
figure-b. If the pipe friction head loss is, hf = 7V:/2g,
where V is the average fluid velocity in the pipe, find a)
the equation that relates hp and Q; b) flowrate and c) If
the pump is 75% efficient, what horsepower is needed
to drive it? Assume steady, incompressible flow. Ignore
kinetic energy correction factor (a).
12 ft
Pump
%3D
(a)
16
3.
Q, ft°ls
(b)
dy
Transcribed Image Text:Use the following given values to solve problems, unless otherwise stated. Ywater = 9790 N/m³ = 62.4 lbf/ft°; g = 9.81 m/s? = 32.2 ft/s²; 1 hp = 550 lbf-ft/s = 746 Watts Problem-1 Water is pumped from the large tank through a uniform diameter pipe (d = 3 in.) and exits as a free jet (refer figure-a). The plot of the flowrate (Q) versus pump-head (hp) is a straight-line graph that passes through points (3, 16) as shown in figure-b. If the pipe friction head loss is, hf = 7V:/2g, where V is the average fluid velocity in the pipe, find a) the equation that relates hp and Q; b) flowrate and c) If the pump is 75% efficient, what horsepower is needed to drive it? Assume steady, incompressible flow. Ignore kinetic energy correction factor (a). 12 ft Pump %3D (a) 16 3. Q, ft°ls (b) dy
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