The loss coefficients for the pipe shown is: up to A it is 0.8, from A to B it is 1.2, from B to C it is 0.8, from C to D it is 2.2. Estimate the flow rate and the pressures at A, B, C, and D. The elevations are shown. al. 10m O Solution: 1. The energy equation can be simplified to 02₁-22= P O B Y C P₂ Y 1 441 m; v² 28 28 o The total energy loss occurred through this system is calculated as: h= Relationship between Upipe and Vexit is:-Vexit= m; 4. Pressure at A, PA= 5. Pressure at B, PB= -m; 2. Thus, velocity in the pipe is Upipe 3. Calculate the flow rate Q= = m³/s; m/s; Upipe i kPa; (energy equation from surface to A) kPa; (energy equation from surface to B) Upipe 28
The loss coefficients for the pipe shown is: up to A it is 0.8, from A to B it is 1.2, from B to C it is 0.8, from C to D it is 2.2. Estimate the flow rate and the pressures at A, B, C, and D. The elevations are shown. al. 10m O Solution: 1. The energy equation can be simplified to 02₁-22= P O B Y C P₂ Y 1 441 m; v² 28 28 o The total energy loss occurred through this system is calculated as: h= Relationship between Upipe and Vexit is:-Vexit= m; 4. Pressure at A, PA= 5. Pressure at B, PB= -m; 2. Thus, velocity in the pipe is Upipe 3. Calculate the flow rate Q= = m³/s; m/s; Upipe i kPa; (energy equation from surface to A) kPa; (energy equation from surface to B) Upipe 28
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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Transcribed Image Text:The loss coefficients for the pipe shown is: up to A it is 0.8, from A to B it is 1.2, from B to C it is 0.8, from C to D it is 2.2.
Estimate the flow rate and the pressures at A, B, C, and D. The elevations are shown.
al 10m
al. 3m
O
P₁
B
U
Solution:
1. The energy equation can be simplified to
02₁-22=
1
el. 12 m
P2
D
3 cm dia.
4. Pressure at A, PA=
m;
5. Pressure at B, PB=
m;
10
28
2g
o The total energy loss occurred through this system is calculated as: h=
o Relationship between Upipe and Vexit
2. Thus, velocity in the pipe is Upipe
3. Calculate the flow rate Q=
-m;
=
is:-Vexit=
m³/s;
m/s;
Upipe i
kPa; (energy equation from surface to A)
kPa; (energy equation from surface to B)
Upipe
2g
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