In Problem 6.107, a theoretical flow rate of water to a village was calculated without any consideration of line losses. In Problem 7.50, an assumed value of 2.8 m was included as an estimate for losses in the line and the resulting flow rate was only 6.22 x 10 − 4 m 3 / s . Now rework the problem and determine the actual losses that would occur. Use 25°C water running in a flexible smooth tube that is 1200 m long and has the same 20 -mm diameter. Let's check the assumed value for losses now. Using a flow rate of 6.22 x 10 − 4 m 3 / s , what would be the actual losses? What conclusions can we draw about the original proposal to install this line? Why is the calculation of losses so important?
In Problem 6.107, a theoretical flow rate of water to a village was calculated without any consideration of line losses. In Problem 7.50, an assumed value of 2.8 m was included as an estimate for losses in the line and the resulting flow rate was only 6.22 x 10 − 4 m 3 / s . Now rework the problem and determine the actual losses that would occur. Use 25°C water running in a flexible smooth tube that is 1200 m long and has the same 20 -mm diameter. Let's check the assumed value for losses now. Using a flow rate of 6.22 x 10 − 4 m 3 / s , what would be the actual losses? What conclusions can we draw about the original proposal to install this line? Why is the calculation of losses so important?
Solution Summary: The author explains Reynolds number, velocity, diameter, kinematic viscosity, and cross-section area of the pipe.
In Problem 6.107, a theoretical flow rate of water to a village was calculated without any consideration of line losses. In Problem 7.50, an assumed value of
2.8
m was included as an estimate for losses in the line and the resulting flow rate was only
6.22
x
10
−
4
m
3
/
s
. Now rework the problem and determine the actual losses that would occur. Use 25°C water running in a flexible smooth tube that is
1200
m long and has the same
20
-mm diameter. Let's check the assumed value for losses now. Using a flow rate of
6.22
x
10
−
4
m
3
/
s
, what would be the actual losses? What conclusions can we draw about the original proposal to install this line? Why is the calculation of losses so important?
1. A 40 lb. force is applied at point E. There are pins at
A, B, C, D, and F and a roller at A.
a. Draw a FBD of member EFC showing all the known and
unknown forces acting on it.
b. Draw a FBD of member ABF showing all the known and
unknown forces acting on it.
c. Draw a FBD of member BCD showing all the known and
unknown forces acting on it.
d. Draw a FBD of the entire assembly ADE showing all the
known and unknown forces acting on it.
e. Determine the reactions at A and D.
f. Determine the magnitude of the pin reaction at C.
40 lbs.
B
A
6 in.
4 in.
D
F
-5 in.4 in 4.
A crude oil of specific gravity0.85 flows upward at a volumetric rate of flow of 70litres per
second through
a vertical
venturimeter,with an inlet diameter of 250 mm and a throat
diameter of 150mm. The coefficient
of discharge of venturimeter is 0.96. The vertical
differences betwecen the pressure toppings is
350mm.
i)
Draw a well labeled diagram to represent the above in formation
i)
If the two pressure gauges are connected at the tapings such that they are
positioned at the levels of their corresponding tapping points,
determine the
difference of readings in N/CM² of the two pressure gauges
ii)
If a mercury differential
manometer
is connected in place of pressure gauges,
to the tappings such that the connecting tube up to mercury are filled with oil
determine the difference in the level of mercury column.
Can you solve it analytically using laplace transforms and with Matlab code as well please. Thank You
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