Heated air at 1 atm and 100°F is to be transported in a 900-ft-long circular section plastic duct at a rate of 1.4 lbm/s. want to determine the head loss and pumping power at the three diameter values in the table below. Complete tho table to help me choose a wise diameter. Why would a good design not only focus on minimizing the pumping power? Diameter Reynolds number, Re Head loss, h Pumping power, W (in) n.d. n.d. ft hp 8 12 16

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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Heated air at 1 atm and 100°F is to be transported in a 900-ft-long circular section plastic duct at a rate of 1.4 lb/s. I
want to determine the head loss and pumping power at the three diameter values in the table below. Complete the
table to help me choose a wise diameter. Why would a good design not only focus on minimizing the pumping
power?
Diameter
Head loss, hi Pumping power, W
Reynolds number, Re
n.d.
f
n.d.
(in)
ft
hp
8
12
16
Transcribed Image Text:Heated air at 1 atm and 100°F is to be transported in a 900-ft-long circular section plastic duct at a rate of 1.4 lb/s. I want to determine the head loss and pumping power at the three diameter values in the table below. Complete the table to help me choose a wise diameter. Why would a good design not only focus on minimizing the pumping power? Diameter Head loss, hi Pumping power, W Reynolds number, Re n.d. f n.d. (in) ft hp 8 12 16
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