Determine the K value for a 90-degree bend with a radius of 12 inches and a nominal pipe size of 2 inches.
Determine the K value for a 90-degree bend with a radius of 12 inches and a nominal pipe size of 2 inches.
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:FIGURE 1-7 Complete turbulence friction factors for clean commercial steel pipe.
(Used with permission, from Technical Paper 410, Crane Co.)
90° PIPE BENDS AND
FLANGED OR BUTT-WELDING 90° ELBOWS
O 0.019
O 17
O 0.32
02
r/d
1
2
3
4
6
8
K
20 fr
12 fr
12 fr
14 fr
17 fr
24 fr
r/d K
10
12
14
16
18
20
30 fr
34 fr
38 fr
42 fr
46 fr
50 fr

Transcribed Image Text:QUESTION 18
Determine the K value for a 90-degree bend with a radius of 12 inches and a nominal pipe size of 2 inches.
Nominal size 1/2" 3/4" 1" 1 1/4" 1 1/2"
2" 2 1/2, 3"
Friction
factor (f) 0.027 0.025 0.023 0.022 0.021 0.019 0,018 0.017 0,016 0,015 0.014 0.013 0.012
FIGURE 1-7 Complete turbulence friction factors for clean commercial steel pipe.
(Used with permission, from Technical Paper 410, Crane Co.)
r/d
1
2
3
4
90° PIPE BENDS AND
FLANGED OR BUTT-WELDING 90° ELBOWS
4" 5" 6" 8-10" 12-16" 18-24"
K
20 fr
12 fr
12 fr
14
14 fr
16
6
17 fr
18
8 24 fr 20
6
r/d
10
12
K
30 fr
34 fr
38 fr
42 fr
46 fr
50 fr
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