Determine the minor head losses What is the fluid velocity in the pipe? What is the loss coefficient for the elbow? V = i ft/s Kelbow = i What is the relative roughness? What is the loss coefficient for the tee? E/D = Ktee What is the Reynolds number? What is the loss coefficient for the reducer? Re = i Kreducer = What is the friction factor? What is the sum of the loss coefficients? f= i K = What is the head loss due to pipe friction? What is the total minor head loss? himinor = i ft hi = i ft Agree or disagree
Determine the minor head losses What is the fluid velocity in the pipe? What is the loss coefficient for the elbow? V = i ft/s Kelbow = i What is the relative roughness? What is the loss coefficient for the tee? E/D = Ktee What is the Reynolds number? What is the loss coefficient for the reducer? Re = i Kreducer = What is the friction factor? What is the sum of the loss coefficients? f= i K = What is the head loss due to pipe friction? What is the total minor head loss? himinor = i ft hi = i ft Agree or disagree
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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Topic Video
Question

Transcribed Image Text:Determine the minor head losses
What is the fluid velocity in the pipe?
What is the loss coefficient for the elbow?
V = i
ft/s
Kelbow = i
What is the relative roughness?
What is the loss coefficient for the tee?
ɛ/D =
Kree
What is the Reynolds number?
What is the loss coefficient for the reducer?
Re = i
Kreducer =
What is the friction factor?
What is the sum of the loss coefficients?
f= i
K = i
What is the head loss due to pipe friction? What is the total minor head loss?
himinor =
ft
hi = i
ft
Agree or disagree
Your boss suggests that friction losses in the straight pipe sections are negligible compared to losses in the threaded elbows and
fittings of the system.
What is the ratio of major head losses to total head loss (%)?
Do you agree that friction losses in the straight pipe sections are negligible compared to losses in the threaded elbows and
fittings of the system within the accuracy of the calculations?

Transcribed Image Text:Determine Major head loss
Water flows steadily through the 2-in-diameter galvanized iron pipe system shown in the Video and in the figure below at a
rate of Q = 0.02 cfs. Your boss suggests that friction losses in the straight pipe sections are negligible compared to losses in the
threaded elbows and fittings of the system.
6 in. length.
6 in, length
90 threaded
elbows
0.60 in. dia
Reducer
1 in. length
4 in. length
-Tee
Closed ball
valve
Major head loss depends on velocity, diameter, and roughness. The loss coefficients for the reducers used here are given in the
table below. Coefficients are based on h-K(V,?/28)
Az/A, 0.64 0.36 0.141 0.09
KL
0.15
0.35
0.47
0.49
|
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