Q/ Size the duct system as shown in the figure below using velocity method then select Suitable diffuser for each room according to the following criteria, throw doesn't exceed 10 meter and the noise level less than 15 NC. Then calculate the fan power by KW. Assume the velocity to be 8 m/s and 4 m/s for the main and branches. Given: • R/W = 1.6 • Fan efficiency 60% • Height of the duct 300 mm • Aspect ratio doesn't exceed 6 4m Ap=40 pa Ap=30 pa Ap=50 pa 100 10 m cooling coil heating coil filler D2=400 L/S 4m B 4m D1-400 L/S 8m D4=600 L/S D5=400 L/S 4m 4m 8m 4m D3-600 L/S

Q/ Size the duct system as shown in the figure below using velocity method then select Suitable diffuser for each room according to the following criteria, throw doesn't exceed 10 meter and the noise level less than 15 NC. Then calculate the fan power by KW. Assume the velocity to be 8 m/s and 4 m/s for the main and branches. Given: • R/W = 1.6 • Fan efficiency 60% • Height of the duct 300 mm • Aspect ratio doesn't exceed 6 4m Ap=40 pa Ap=30 pa Ap=50 pa 100 10 m cooling coil heating coil filler D2=400 L/S 4m B 4m D1-400 L/S 8m D4=600 L/S D5=400 L/S 4m 4m 8m 4m D3-600 L/S

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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