PROBLEM 1: Estimate the kilowatt pump you would need to pump 450 Liter/min of liquid water at 20°C through a rise in elevation °C of 100 m. Assume the water is pumped adiabatically and with negligible changes in temperature and kinetic energy.
PROBLEM 1: Estimate the kilowatt pump you would need to pump 450 Liter/min of liquid water at 20°C through a rise in elevation °C of 100 m. Assume the water is pumped adiabatically and with negligible changes in temperature and kinetic energy.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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These are the formula for the topic
Answer the problem 1
complete solution please thank youu
![Considering all forms of energy flow into and out from the control volume with the mass, the
- Em
+gz
pu++gz
M.
exits
inlets
h=u+pv
but
Q= Em
+gz
+gz +W
exits
inlets
For a Unit Mass
q=Eh++gz -Eh++gz +w
exits
inlets
w = specific work
Q= heat
p= pressure
v= specific volume
v = velocity
where
g= acceleration due to gravity
z = datum
W = work
This is the most frequently used form because many steady-flow systems have only one inlet and
one exit.
h+
+gz + W
2
exits
inlets
Q=mg(z, -z, )+÷m(v -v,?)+ ṁ(h, –h, ) + W
Q-ΔΡE+ΔΚΕ + ΔΗ + W
(9-4)
For a Unit Mass
q=g(z, -z, )+(v* -v;')+ (h, -h,. )+ w
(9-5)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fef4abb29-973a-44d3-9b2d-c4032542ce74%2F3934d980-6653-4653-90f2-c330cd59174d%2Ft3m7d2_processed.png&w=3840&q=75)
Transcribed Image Text:Considering all forms of energy flow into and out from the control volume with the mass, the
- Em
+gz
pu++gz
M.
exits
inlets
h=u+pv
but
Q= Em
+gz
+gz +W
exits
inlets
For a Unit Mass
q=Eh++gz -Eh++gz +w
exits
inlets
w = specific work
Q= heat
p= pressure
v= specific volume
v = velocity
where
g= acceleration due to gravity
z = datum
W = work
This is the most frequently used form because many steady-flow systems have only one inlet and
one exit.
h+
+gz + W
2
exits
inlets
Q=mg(z, -z, )+÷m(v -v,?)+ ṁ(h, –h, ) + W
Q-ΔΡE+ΔΚΕ + ΔΗ + W
(9-4)
For a Unit Mass
q=g(z, -z, )+(v* -v;')+ (h, -h,. )+ w
(9-5)
![PROBLEM 1: Estimate the kilowatt pump you would need to pump 450
Liter/min of liquid water at 20°C through a rise in elevation °C of 100 m.
Assume the water is pumped adiabatically and with negligible changes in
temperature and kinetic energy.
Ans: -7.355 kW](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fef4abb29-973a-44d3-9b2d-c4032542ce74%2F3934d980-6653-4653-90f2-c330cd59174d%2Fvp1z83v_processed.png&w=3840&q=75)
Transcribed Image Text:PROBLEM 1: Estimate the kilowatt pump you would need to pump 450
Liter/min of liquid water at 20°C through a rise in elevation °C of 100 m.
Assume the water is pumped adiabatically and with negligible changes in
temperature and kinetic energy.
Ans: -7.355 kW
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