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The IS 2021 (Impeller shaft) of a fluid agitator transmit 31 kW at 510 rpm. Given that the allowed shear stress in the impeller shaft must be limited to 95 MPa, solve for the percent savings (in percent) in weight if the hollow shaft is used instead of the solid shaft. Note: Outside diameter of the hollow impeller shaft must be 50 mm. HINT% savings = Cross-sectional area - Cross-sectional area solid Cross-sectional area solid hollow

The IS 2021 (Impeller shaft) of a fluid agitator transmit 31 kW at 510 rpm. Given that the allowed shear stress in the impeller shaft must be limited to 95 MPa, solve for the percent savings (in percent) in weight if the hollow shaft is used instead of the solid shaft. Note: Outside diameter of the hollow impeller shaft must be 50 mm. HINT% savings = Cross-sectional area - Cross-sectional area solid Cross-sectional area solid hollow

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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The IS 2021 (Impeller shaft) of a fluid agitator transmit 31 kW at 510 rpm. Given that the allowed shear stress in the impeller shaft must be limited to 95 MPa, solve for the percent savings (in percent) in weight if the hollow shaft is used instead of the solid shaft. Note: Outside diameter of the hollow impeller shaft must be 50 mm. Cross sectional area Cross-sectional area HINT: % savings = solid Cross-sectional area solid hollow
Transcribed Image Text:The IS 2021 (Impeller shaft) of a fluid agitator transmit 31 kW at 510 rpm. Given that the allowed shear stress in the impeller shaft must be limited to 95 MPa, solve for the percent savings (in percent) in weight if the hollow shaft is used instead of the solid shaft. Note: Outside diameter of the hollow impeller shaft must be 50 mm. Cross sectional area Cross-sectional area HINT: % savings = solid Cross-sectional area solid hollow
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