In the air duct system shown in the figure, air enters the main duct at A....
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In the air duct system shown in the figure, air enters the main duct at A. The recommended Fan velocities in the main duct sections and branches are 10 m/s and 7 m/s, respectively. Using the velocity method, propose the correct 3 m³/s duct diameters for main duct segments (AB, BC, CD) and branches (BE, CF). Also calculate the pressure drop in each run (ABC, ACF, ABCD) of the system. The loss coefficients are: Entrance 0.35, Tee (branch) at B 0.25, Tee (through) at B 0.20, Tee (branch) at C 0.30, Tee (through) at C 0.27. Each outlet has a pressure drop of 5 Pa. [12 marks, CLO 3] K₁ = 0.25 for 90° elbow (ABE, ABCF, ABCD) A 1m³/s 30 m- 30m B -15 m- C * 20m 60 m 15m In the air duct system shown in the figure, air enters the main duct at A. The recommended Fan velocities in the main duct sections and branches are 10 m/s and 7 m/s, respectively. Using the velocity method, propose the correct 3 m³/s duct diameters for main duct segments (AB, BC, CD) and branches (BE, CF). Also calculate the pressure drop in each run (ABC, ACF, ABCD) of the system. The loss coefficients are: Entrance 0.35, Tee (branch) at B 0.25, Tee (through) at B 0.20, Tee (branch) at C 0.30, Tee (through) at C 0.27. Each outlet has a pressure drop of 5 Pa. [12 marks, CLO 3] K₁ = 0.25 for 90° elbow (ABE, ABCF, ABCD) A 1m³/s 30 m- 30m B -15 m- C * 20m 60 m 15m
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SOLUTION IN DETAILS To solve this problem we will use the velocity method to determine the duct diameters and calculate the pressure drop in each run ... View the full answer
Related Book For
Thermodynamics An Engineering Approach
ISBN: 978-0073398174
8th edition
Authors: Yunus A. Cengel, Michael A. Boles
Posted Date:
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