10. An air conditioning duct runs straight from fan over 60 m length. It has four equally spaced outlet diffusers mounted on duct, the last one being at the end of duct. The volume flow rate through each diffuser is 1 m/s. The velocity at duct inlet is 15 m/s. Carry out the duct design by static regain method if static regain factor is 0.75 at each transition and frictional pressure drop is given by 0.002 268 (O)1.852 (D)4.973 Pf mm of water L and Py= mm of water 4.04 where Q is in m/s and V is in m /s. [Ans. D, = 0.583 m; V 9.15 m/s, D, = 0.646 m; V,= 5.82 m /s, D, = 0.661 m ; V= 3.6 m/ s, D = 0.595 m ]

10. An air conditioning duct runs straight from fan over 60 m length. It has four equally spaced outlet diffusers mounted on duct, the last one being at the end of duct. The volume flow rate through each diffuser is 1 m/s. The velocity at duct inlet is 15 m/s. Carry out the duct design by static regain method if static regain factor is 0.75 at each transition and frictional pressure drop is given by 0.002 268 (O)1.852 (D)4.973 Pf mm of water L and Py= mm of water 4.04 where Q is in m/s and V is in m /s. [Ans. D, = 0.583 m; V 9.15 m/s, D, = 0.646 m; V,= 5.82 m /s, D, = 0.661 m ; V= 3.6 m/ s, D = 0.595 m ]

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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