The quantity of air in a 900 mm diam duct is 15 m/s, the duct resistance is 7.1 Ns/m® and the air density is 1.20 kg/m³. The duct diameter increases to 1400 mm with a shock loss factor of 0.5. What is the end pressure (Pa gauge) with respect to the start. a 45 m'ls passes through a regulator. Using normal values for coefficient of discharge what open area is required for a pressure differential of 450 Pa ?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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The quantity of air in a 900 mm diam duct is 15 m/s, the duct resistance is 7.1 Ns/m® and the
air density is 1.20 kg/m³. The duct diameter increases to 1400 mm with a shock loss factor of
0.5. What is the end pressure (Pa gauge) with respect to the start.
a
45 m'ls passes through a regulator. Using normal values for coefficient of discharge what open
area is required for a pressure differential of 450 Pa ?
Transcribed Image Text:The quantity of air in a 900 mm diam duct is 15 m/s, the duct resistance is 7.1 Ns/m® and the air density is 1.20 kg/m³. The duct diameter increases to 1400 mm with a shock loss factor of 0.5. What is the end pressure (Pa gauge) with respect to the start. a 45 m'ls passes through a regulator. Using normal values for coefficient of discharge what open area is required for a pressure differential of 450 Pa ?
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