A centrifugal blower rotates at 1400 rpm. Air enters the impeller normal to the blades (?1 = 0°) and exits at an angle of 25° (?2 = 25°). The inlet radius is r1 = 6.5 cm, and the inlet blade width b1 = 8.5 cm. The outlet radius and blade width are r2 = 12 cm and b2 = 4.5 cm, respectively. The volume flow rate is 0.22 m3 /s. What is the net head produced by this blower in meters of air? (a) 12.3 m (b) 3.9 m (c) 8.8 m (d) 5.4 m (e) 16.4 m

Given: The normal component of velocity, V˙=0.22 m3/s Inlet radius, r1=0.065 m Inlet blade width,…

Answered: A centrifugal blower rotates at 1400…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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A centrifugal blower rotates at 1400 rpm. Air enters the impeller normal to the blades (?₁ = 0°) and exits at an angle of 25° (?₂ = 25°). The inlet radius is r₁ = 6.5 cm, and the inlet blade width b₁ = 8.5 cm. The outlet radius and blade width are r₂ = 12 cm and b₂ = 4.5 cm, respectively. The volume flow rate is 0.22 m³ /s. What is the net head produced by this blower in meters of air? (a) 12.3 m (b) 3.9 m (c) 8.8 m (d) 5.4 m (e) 16.4 m

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