Question
In: Civil Engineering
A long, straight horizontal pipeline of diameter 350 mm and effective roughness size 0.03 mm is...
A long, straight horizontal pipeline of diameter 350 mm and
effective roughness size
0.03 mm is to be constructed to convey crude oil of density 860
kg/m3 and absolute
viscosity 0.0064 N s∕m2 from the oilfield to a port at a steady
rate of 7000 m3/day.
Booster pumps, each providing a total head of 20 m with an overall
efficiency of 60%,
are to be installed at regular intervals. Determine the required
spacing of the pumps and
the power consumption of each. (ans. 8700 m and 22.78 kW) (I need a
precise answer please)
Solutions
Ally Wells answered 1 year agoRelated Solutions
in an oil factory, a pipe (roughness = 0.85 mm & diameter 160 mm) carries a...
in an oil factory, a pipe (roughness = 0.85 mm & diameter
160 mm) carries a fluid (specific gravity of 0.95 & viscosity
0.0061 N.s/m2) at a rate of 109. L/s.
Determine;
a. Flow is laminar or turbulent
b. Friction factor f using explicit equation of Laminar or
turbulent flow (Haaland equation)
c. The head loss
d. The shear stress at the pipe wall
e. Velocity 30mm from the centerline
f. The behavior of pipe whether fully rough, transitional, or...
Water flows in a horizontal pipeline at a steady flow rate of 0.03 m3 s-1. The...
Water flows in a horizontal pipeline at a steady flow rate of
0.03 m3 s-1. The pipeline terminates with a reducing bend that
deflects the water upwards at an angle of 45 degrees, as shown in
Figure QB2. The water issues into the atmosphere. The area of the
pipe is 150 x 10-4 m2 and the area at the exit to the bend is 25 x
10-4 m2. The gauge pressure at the inlet to the bend is 73.9 kN...
A horizontal Venturimeter with inlet diameter 300 mm and throat diameter 150 mm is used to...
A horizontal Venturimeter with inlet diameter 300 mm and throat
diameter 150 mm is used to measure the flow of water. The pressure
at inlet is 24 N/cm2 and the vacuum pressure
(p2)at the throat is 320 mm of mercury. Find the
discharge and velocity through the pipe .The value of Cd
may be taken as 0.98.
An oil company wishes to construct a pressurised pipeline of 300 mm diameter to convey freshwater,...
An oil company wishes to construct a pressurised pipeline of 300
mm diameter to convey freshwater, of bulk modulus 2.10x109 N/m2
from a desalination plant to a refinery at a rate of 350 l/s and
with a pipe period of 4 seconds. Calculate the corresponding
theoretical surge pressure induced within the pipeline by the
complete closure of an on-line valve (located at the end of the
pipe) in 8 seconds. The valve generates non-uniform retardation of
type R = At0.65....
A horizontal pipeline conveying oil (s = 0.8) contains a 60◦bend in which the internal diameter...
A horizontal pipeline conveying oil (s = 0.8) contains a 60◦bend
in which the internal diameter reduces from 200 mm to 100 mm. If
the pipe joints on either side of the bend exert no restraint on
it, what will be the force an anchorage must resist when the
pressure head and the mean velocity of the fluid at entry to the
bend are 12 m and 3 m/s respectively? Find also the direction in
which the force acts.
The propeller shaft of a large ship has an outside diameter of 350 mm and inside...
The propeller shaft of a large ship has an outside diameter of
350 mm and inside diameter 250mm. the shaft is rated for a maximum
of shear stress 62 MPa.
1) if the shaft is runnning at 500 rpm what is the maximum power
that can be transmitted without exceeding allowable stress.
2) if the rotational speed of the shaft is doubled but the power
requirements unchanged what happens to the shear stress in the
shaft? calculate valures.
A cylinder 100 mm in diameter and 80 mm long with an initial temperature of 527...
A cylinder 100 mm in diameter and 80 mm long with an initial
temperature of 527 C is suddenly exposed to water at 27 C giving a
convective heat transfer coefficient of 400 W/m2-K. Determine the
temperature at the center of the cylinder after 10 minutes. Assume
density is 8050 kg/m3, specific heat is 536 kJ/kg-K, and thermal
conductivity is 18.6 W/m-K.
**** Not lumped Capacitance Problem. ****
Sandstone pore of 20 mm in diameter and 100 mm long with porosity of 15% is...
Sandstone pore of 20 mm in diameter and 100 mm long
with porosity of 15% is prepared for
core flood experiment. The sandstone pore is fully (100%) saturated
with water by injecting
water with viscosity of 1cp at volumetric flow rate of 20 cubic
mm/sec. A pressure drop of 1
atm was recorded across the pore during the injection
process.
i. What is the absolute permeability of the sandstone pore sample
in mD?
ii. What is the pore volume of...
Sandstone pore of 20 mm in diameter and 100 mm long with porosity of 15% is...
Sandstone pore of 20 mm in diameter and 100 mm long
with porosity of 15% is prepared for
core flood experiment. The sandstone pore is fully (100%) saturated
with water by injecting
water with viscosity of 1cp at volumetric flow rate of 20 cubic
mm/sec. A pressure drop of 1
atm was recorded across the pore during the injection
process.
i. What is the absolute permeability of the sandstone pore sample
in mD?
ii. What is the pore volume of...
A straight rod of solid polymer is of length 1 m and diameter 10 mm. The...
A straight rod of solid polymer is of length 1 m and diameter 10
mm. The polymer is linearly viscoelastic with a tensile creep
compliance given by:
D = 2- exp(-0.1t); Gpa^-1
Where t is in hours. The rod is suspended vertically and a mass
of 10 kg is hung from it for 10 hours. a) Find the change of length
of the rod. b) Identify the time domain of this property test
procedure.
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