The Allis-Chalmers D30LR centrifugal compressor delivers33,000 ft3/min of SO2 with a pressure change from 14.0 to18.0 lbf/in2 absolute using an 800-hp motor at 3550 r/min.What is the overall efficiency? What will the flow rate andDp be at 3000 r/min? Estimate the diameter of the impeller.

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
Question

The Allis-Chalmers D30LR centrifugal compressor delivers
33,000 ft3/min of SO2 with a pressure change from 14.0 to
18.0 lbf/in2 absolute using an 800-hp motor at 3550 r/min.
What is the overall efficiency? What will the flow rate and
Dp be at 3000 r/min? Estimate the diameter of the impeller.

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