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Which of the following is the expression of the maximum fluctuation of energy in a flywheel where I = mass moment of inertia of the flywheel, Cs = coefficient of fluctuation of speed, ω = mean angular speed of ω1 and ω2, and E = mean kinetic energy of the flywheel?(a) I*ω*(ω1+ω2)(b) I*ω*Cs(c) 2*E^2*Cs(d) I*ω^2*CsThis question was posed to me in my homework.Question is from Flywheel in chapter Internal Combustion Engines of Automobile Engineering

Answer»

Correct choice is (d) I*ω^2*Cs

To explain: The maximum FLUCTUATION of energy in a FLYWHEEL = I*ω*(ω1-ω2) = I*ω^2*Cs = 2*E*Cs = I*ω^2*Cs. The maximum fluctuation of energy can be calculated by USING the TURNING moment diagram.



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