uryer eharges ameter, well-rounded vent with negligible loss is n en connected to a 15-ft-long, 5-in-diameter duct mac nged smooth bends. Assuming the fan power drivin w volume flow rate. Take the Darcy friction factor

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A clothes dryer discharges air at 1 atm and 120° F at a rate of 1.2 ft/s when its 5-in-
diameter, well-rounded vent with negligible loss is not connected to a duct. The vent is
then connected to a 15-ft-long, 5-in-diameter duct made of galvanized iron, with three 90°
flanged smooth bends. Assuming the fan power driving the flow is constant, determine the
new volume flow rate. Take the Darcy friction factor of the duct to be 0.021.
Clothes drier
1.2 ft/s
Hot air
111
Clothes drier
15 ft
5 in
Transcribed Image Text:A clothes dryer discharges air at 1 atm and 120° F at a rate of 1.2 ft/s when its 5-in- diameter, well-rounded vent with negligible loss is not connected to a duct. The vent is then connected to a 15-ft-long, 5-in-diameter duct made of galvanized iron, with three 90° flanged smooth bends. Assuming the fan power driving the flow is constant, determine the new volume flow rate. Take the Darcy friction factor of the duct to be 0.021. Clothes drier 1.2 ft/s Hot air 111 Clothes drier 15 ft 5 in
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