A branch duct for a heating system measures 75 * 250 mm. Compute the circular equivalent diameter. Then determine the maximum flow rate of air that it could carry while limiting the friction loss to 0.80 Pa/m De=144 mm and Qmax=40 m3/s De=381 mm and Qmax=0.6 m3/s De=464 mm and Qmax=991 L/s De=117 mm and Qmax=45 L/s De=1390 mm and Qmax=17.5 m3/s

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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A branch duct for a heating system measures 75 * 250 mm. Compute the circular equivalent diameter. Then determine the maximum flow rate of air that it could carry while
limiting the friction loss to 0.80 Pa/m
De=144 mm and Qmax=40 m3/s
De=381 mm and Qmax=0.6 m3/s
De=464 mm and Qmax=991 L/s
De=117 mm and Qmax=45 L/s
De=1390 mm and Qmax=17.5 m3/s
Transcribed Image Text:A branch duct for a heating system measures 75 * 250 mm. Compute the circular equivalent diameter. Then determine the maximum flow rate of air that it could carry while limiting the friction loss to 0.80 Pa/m De=144 mm and Qmax=40 m3/s De=381 mm and Qmax=0.6 m3/s De=464 mm and Qmax=991 L/s De=117 mm and Qmax=45 L/s De=1390 mm and Qmax=17.5 m3/s
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