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While rotating at 900 rpm, a centrifugal pump delivers 2500 gpm of water at a head of 75 ft. If the impeller diameter is 1.5 ft. and the blade width is 1.75 in., find the (a) blade angle β2, (b) radial velocity Vr2, and (c) blade speed u2. Assume no whirl at the inlet. Ans: β2=12.5°; Vr2=8.1 ft./s; u2=70.7 ft./s

While rotating at 900 rpm, a centrifugal pump delivers 2500 gpm of water at a head of 75 ft. If the impeller diameter is 1.5 ft. and the blade width is 1.75 in., find the (a) blade angle β2, (b) radial velocity Vr2, and (c) blade speed u2. Assume no whirl at the inlet. Ans: β2=12.5°; Vr2=8.1 ft./s; u2=70.7 ft./s

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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While rotating at 900 rpm, a centrifugal pump delivers 2500 gpm of water at a
head of 75 ft. If the impeller diameter is 1.5 ft. and the blade width is 1.75 in.,
find the (a) blade angle β2, (b) radial velocity Vr2, and (c) blade speed u2. Assume
no whirl at the inlet.
Ans: β2=12.5°; Vr2=8.1 ft./s; u2=70.7 ft./s

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