Air enters a fan through a duct at a velocity of 6.4 m/sec and an inlet static pressure of 2.4 cm of water less than atmospheric pressure. The air leaves the fan through a duct at a velocity of 11.26 m/sec and a discharge static pressure of 7.63 cm of water above the atmospheric pressure. If the specific weight of the air is 1.22 kg/m3 and the fan delivers 9.46 m3/sec, what is the fan efficiency when the power input to the fan is 17.36 KW at the coupling?
Air enters a fan through a duct at a velocity of 6.4 m/sec and an inlet static pressure of 2.4 cm of water less than atmospheric pressure. The air leaves the fan through a duct at a velocity of 11.26 m/sec and a discharge static pressure of 7.63 cm of water above the atmospheric pressure. If the specific weight of the air is 1.22 kg/m3 and the fan delivers 9.46 m3/sec, what is the fan efficiency when the power input to the fan is 17.36 KW at the coupling?
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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Question
Air enters a fan through a duct at a velocity of 6.4 m/sec and an inlet static pressure of 2.4
cm of water less than atmospheric pressure. The air leaves the fan through a duct at a
velocity of 11.26 m/sec and a discharge static pressure of 7.63 cm of water above the
atmospheric pressure. If the specific weight of the air is 1.22 kg/m3 and the fan delivers
9.46 m3/sec, what is the fan efficiency when the power input to the fan is 17.36 KW at the
coupling?
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