water at 20°C is pumped through a smooth 12-cm-diameter pipe 10 km long, at a flow rate of 75 m3/h. The inlet is fed by a pump at an absolute pressure of 2.4 MPa. The exit is at standard atmospheric pressure (101 kPa) and is 200 m higher. Calculate the frictional head loss Hf and compare it to the velocity head of the flow. B) A gate valve is used to control flow in the above system. What is the head loss due to the addition of the valve? What is the total head loss in the new system? state any assumptions made. for the value fully open k=0.17, 3/4 open k=0.9, 1/2 open k=4.5 and 1/4 open k=24
water at 20°C is pumped through a smooth 12-cm-diameter pipe 10 km long, at a flow rate of 75 m3/h. The inlet is fed by a pump at an absolute pressure of 2.4 MPa. The exit is at standard atmospheric pressure (101 kPa) and is 200 m higher. Calculate the frictional head loss Hf and compare it to the velocity head of the flow. B) A gate valve is used to control flow in the above system. What is the head loss due to the addition of the valve? What is the total head loss in the new system? state any assumptions made. for the value fully open k=0.17, 3/4 open k=0.9, 1/2 open k=4.5 and 1/4 open k=24
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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Question
water at 20°C is pumped through a smooth 12-cm-diameter pipe 10
km long, at a flow rate of 75 m3/h. The inlet is fed by a pump at an absolute
pressure of 2.4 MPa.
The exit is at standard atmospheric pressure (101 kPa) and is 200 m
higher.
Calculate the frictional head loss Hf and compare it to the velocity head of the flow.
B) A gate valve is used to control flow in the above system. What is the head
loss due to the addition of the valve?
What is the total head loss in the new system?
state any assumptions made.
for the value fully open k=0.17, 3/4 open k=0.9, 1/2 open k=4.5 and 1/4 open k=24
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