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Aspect ratio Supply temperature | Pressure drop per unit length | Main and branch đuct velocities for equal friction method for velocity method 5 m/s, 3 m/s (***) The loss coefficients are: Entrance (0.75), Tee (branch) 1.2, Tee (through) 0.3, Wye (branch) 0.4, Elbow (900) 0.25. Each of the outlets has a pressure drop of 5 Pa and is attached using a 900 down elbow. A-2: Select insulation for the duct which is suitable for use in HVAC systems. A-3: Describe how you would calculate the duct heat gain by applying your knowledge of heat transfer. You are not required to perform any calculations. Note: You may assume suitable values, where required, with proper justification and reference. 21 160C 0.7 Pa/m

Aspect ratio Supply temperature | Pressure drop per unit length | Main and branch đuct velocities for equal friction method for velocity method 5 m/s, 3 m/s (***) The loss coefficients are: Entrance (0.75), Tee (branch) 1.2, Tee (through) 0.3, Wye (branch) 0.4, Elbow (900) 0.25. Each of the outlets has a pressure drop of 5 Pa and is attached using a 900 down elbow. A-2: Select insulation for the duct which is suitable for use in HVAC systems. A-3: Describe how you would calculate the duct heat gain by applying your knowledge of heat transfer. You are not required to perform any calculations. Note: You may assume suitable values, where required, with proper justification and reference. 21 160C 0.7 Pa/m

Elements Of Electromagnetics
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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A-1: Size the duct system shown below and determine the pressure drop in each run, using equal friction and velocity methods. Bed Room Length (m) 3 (7.57kW) Segment A 2.1 Bed Room B 1.5 1 (6.72kW) 3.7 D 1.5 2.1 1.2 3.4 2.3 C 2.3 2.3 K 2.3 Q 2.3 M 2.3 2.3 Kitchen 1 (8.25kW) 2.3 4.9 1.8 K E Lounge 1 (11.30kW Bed II E Room 2 (5.74kW) G Drawing 1 (13.63kW
Transcribed Image Text:A-1: Size the duct system shown below and determine the pressure drop in each run, using equal friction and velocity methods. Bed Room Length (m) 3 (7.57kW) Segment A 2.1 Bed Room B 1.5 1 (6.72kW) 3.7 D 1.5 2.1 1.2 3.4 2.3 C 2.3 2.3 K 2.3 Q 2.3 M 2.3 2.3 Kitchen 1 (8.25kW) 2.3 4.9 1.8 K E Lounge 1 (11.30kW Bed II E Room 2 (5.74kW) G Drawing 1 (13.63kW
Aspect ratio Supply temperature Pressure drop per unit length Main and branch duct velocities for equal friction method for velocity method (***) 160C 0.7 Pa/m 5 m/s, 3 m/s The loss coefficients are: Entrance (0.75), Tee (branch) 1.2, Tee (through) 0.3, Wye (branch) 0.4, Elbow (900) 0.25. Each of the outlets has a pressure drop of 5 Pa and is attached using a 900 down elbow. A-2: Select insulation for the duct which is suitable for use in HVAC systems. A-3: Describe how you would calculate the duct heat gain by applying your knowledge of heat transfer. You are not required to perform any calculations. Note: You may assume suitable values, where required, with proper justification and reference.
Transcribed Image Text:Aspect ratio Supply temperature Pressure drop per unit length Main and branch duct velocities for equal friction method for velocity method (***) 160C 0.7 Pa/m 5 m/s, 3 m/s The loss coefficients are: Entrance (0.75), Tee (branch) 1.2, Tee (through) 0.3, Wye (branch) 0.4, Elbow (900) 0.25. Each of the outlets has a pressure drop of 5 Pa and is attached using a 900 down elbow. A-2: Select insulation for the duct which is suitable for use in HVAC systems. A-3: Describe how you would calculate the duct heat gain by applying your knowledge of heat transfer. You are not required to perform any calculations. Note: You may assume suitable values, where required, with proper justification and reference.
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