The equation of the turning moment diagram for the three crank engine and the equation of the moment required by a machine connected to this engine are given below: Engine Torque Machine Torque T=10000-500 sin (40) T=10000+2000 sin (20) N.m N.m where radians is the crank angle from inner dead center and the mean engine speed is 300 rpm. It is required to select a proper flywheel (find the moment of inertia of the flywheel in kgm2) and then calculate the power of the engine if the total percentage fluctuation of speed of the flywheel is ±1% of the mean speed. Calculate the angular acceleration of the flywheel when angle is 45°.

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 equation of the turning moment diagram for the three crank engine and the equation
of the moment required by a machine connected to this engine are given below:
Engine Torque
Machine Torque
T=10000-500 sin (40)
T=10000+2000 sin (20)
N.m
N.m
where
radians is the crank angle from inner dead center and the mean engine speed is
300 rpm. It is required to select a proper flywheel (find the moment of inertia of the flywheel
in kgm2) and then calculate the power of the engine if the total percentage fluctuation of
speed of the flywheel is ±1% of the mean speed. Calculate the angular acceleration of the
flywheel when angle is 45°.
Transcribed Image Text:The equation of the turning moment diagram for the three crank engine and the equation of the moment required by a machine connected to this engine are given below: Engine Torque Machine Torque T=10000-500 sin (40) T=10000+2000 sin (20) N.m N.m where radians is the crank angle from inner dead center and the mean engine speed is 300 rpm. It is required to select a proper flywheel (find the moment of inertia of the flywheel in kgm2) and then calculate the power of the engine if the total percentage fluctuation of speed of the flywheel is ±1% of the mean speed. Calculate the angular acceleration of the flywheel when angle is 45°.
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