Q16:- A shaft fitted with a flywheel rotates at 250 rpm and drives a machine. The torque of the machine varies in a cyclic manner over a period of 3 revolutions. The torque rises from 735.75 N.m to 2943 N.m in half revolution, remains constant during next one revolution and drops down to 735.75N.m in the next half revolution. It remains constant at 735.75 N.m during the next revolution, the cycle being repeated thereafter. Determine the power required driving the machine and percentage of fluctuation in speed, if the driving torque applied to the shaft is constant. The flywheel weighs 5787.9 N with radius of gyration of 600 mm.
Q16:- A shaft fitted with a flywheel rotates at 250 rpm and drives a machine. The torque of the machine varies in a cyclic manner over a period of 3 revolutions. The torque rises from 735.75 N.m to 2943 N.m in half revolution, remains constant during next one revolution and drops down to 735.75N.m in the next half revolution. It remains constant at 735.75 N.m during the next revolution, the cycle being repeated thereafter. Determine the power required driving the machine and percentage of fluctuation in speed, if the driving torque applied to the shaft is constant. The flywheel weighs 5787.9 N with radius of gyration of 600 mm.
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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Transcribed Image Text:Q16:- A shaft fitted with a flywheel rotates at 250 rpm and drives a
machine. The torque of the machine varies in a cyclic manner
over a period of 3 revolutions. The torque rises from 735.75 N.m
to 2943 N.m in half revolution, remains constant during next one
revolution and drops down to 735.75N.m in the next half
revolution. It remains constant at 735.75 N.m during the next
revolution, the cycle being repeated thereafter. Determine the
power required driving the machine and percentage of
fluctuation in speed, if the driving torque applied to the shaft is
constant. The flywheel weighs 5787.9 N with radius of gyration
of 600 mm.
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