A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as C_E and C_S respectively. The kinetic energy of the flywheel is given by

A) $$\frac{{2{\text{W}}{{\text{C}}_{\text{E}}}}}{{{{\text{C}}_{\text{S}}}}}$$ B) $$\frac{{{\text{W}}{{\text{C}}_{\text{E}}}}}{{{\text{2}}{{\text{C}}_{\text{S}}}}}$$ C) $$\frac{{{\text{W}}{{\text{C}}_{\text{E}}}}}{{{{\text{C}}_{\text{S}}}}}$$ D) $$\frac{{{\text{W}}{{\text{C}}_{\text{S}}}}}{{{\text{2}}{{\text{C}}_{\text{E}}}}}$$

Answer & Solution

Correct Answer: Option B

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KAUSHAL KUMAR 6 years ago

Ce= ∆E/W= ∆E= Ce*w.......(1)

∆E= IW^2Cs= IW^2=∆E/Cs......(2)

KE= 1/2Iw^2 = 1/2(∆E/Cs)= 1/2w(Ce/Cs).

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A flywheel is fitted to the crankshaft of an engine having...

A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by

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A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as C_E and C_S respectively. The kinetic energy of the flywheel is given by