2. Water at 20°C (p=998 kg/m³) flows through an inclined 8-cm-diameter pipe. At sections A and B, P₁ = 186 kPa, V₁ = 3.2 m/s, z = 24.5 m, while pв = 260 kPa, VB = 3.2 m/s, and zB = 9.1 m. Which way is the flow going A to B, or B to A? Take acceleration due to gravity, g = 9.81 m/s². Show your work.

Elements Of Electromagnetics
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2. Water at 20°C (p = 998 kg/m³) flows through an inclined 8-cm-diameter pipe. At sections A and
B, P₁ = 186 kPa, V₁ = 3.2 m/s, z₁ = 24.5 m, while pв = 260 kPa, VB = 3.2 m/s, and zB = 9.1 m.
Which way is the flow going A to B, or B to A? Take acceleration due to gravity, g = 9.81 m/s².
Show your work.
Transcribed Image Text:2. Water at 20°C (p = 998 kg/m³) flows through an inclined 8-cm-diameter pipe. At sections A and B, P₁ = 186 kPa, V₁ = 3.2 m/s, z₁ = 24.5 m, while pв = 260 kPa, VB = 3.2 m/s, and zB = 9.1 m. Which way is the flow going A to B, or B to A? Take acceleration due to gravity, g = 9.81 m/s². Show your work.
f
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.025
0.02
0.015
0.01
0.009
0.008
Laminar
flow
10³
1
1
---
Transition range
2(10³) 468
104
Moody Chart
Wholly turbulent flow
Smooth
2(104) 4 6 8
105
2(105) 4 68
Re=
pVD
μ
106
2(106) 4 6 8
107
2(107) 4 6 8
0.05
0.04
0.03
0.02
0.015
0.01
0.008
0.006
0.004 D
0.002
0.001
0.0008
0.0006
0.0004
0.0002
0.0001
0.00005
0.00001
Transcribed Image Text:f 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.025 0.02 0.015 0.01 0.009 0.008 Laminar flow 10³ 1 1 --- Transition range 2(10³) 468 104 Moody Chart Wholly turbulent flow Smooth 2(104) 4 6 8 105 2(105) 4 68 Re= pVD μ 106 2(106) 4 6 8 107 2(107) 4 6 8 0.05 0.04 0.03 0.02 0.015 0.01 0.008 0.006 0.004 D 0.002 0.001 0.0008 0.0006 0.0004 0.0002 0.0001 0.00005 0.00001
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