Starting from Tw find 1, 1 2 1 3 and proof the following equation f and Re using dimensional analysis:

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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Starting from Tw find T, 2 1 3 and proof the following equation f and Re using dimensional
analysis:
Fully Developed Pipe Flow
Friction Factor
• Tw = func(p, V, µ, D, ɛ)
8 = average roughness of the
inside wall of the pipe
pVD
Re =
8Tw
• I-analysis gives
II1 = f
%3D
pV?
II2 = Re
€/D = roughness factor
%3D
Il3
D
-
II1 = func(II2, I3)
|f = func(Re, e/D)|
Transcribed Image Text:Starting from Tw find T, 2 1 3 and proof the following equation f and Re using dimensional analysis: Fully Developed Pipe Flow Friction Factor • Tw = func(p, V, µ, D, ɛ) 8 = average roughness of the inside wall of the pipe pVD Re = 8Tw • I-analysis gives II1 = f %3D pV? II2 = Re €/D = roughness factor %3D Il3 D - II1 = func(II2, I3) |f = func(Re, e/D)|
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