In a vertical double acting steam engine running at 360 r.p.m, the cylinder diameter is 0.3 m, piston rod diameter is 40 mm and length of connecting rod is 0.7 m. When the crank has moved 120 degree from top dead centre, the pressure of steam at cover end is 0.35 N/mm? and that at the crank end is 0.03 N/mm2. If the weight of reciprocating parts is 500 N and length of stroke is 300 mm, find: (a) Piston effort and (b) Turning moment on crank shaft for the given crank position.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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In a vertical double acting steam engine running at
360 r.p.m, the cylinder diameter is 0.3 m, piston rod
diameter is 40 mm and length of connecting rod is 0.7
m. When the crank has moved 120 degree from top
dead centre, the pressure of steam at cover end is 0.35
N/mm? and that at the crank end is 0.03 N/mm2. If
the weight of reciprocating parts is 500 N and length
of stroke is 300 mm, find:
(a) Piston effort and
(b) Turning moment on crank shaft for the given crank
position.
Transcribed Image Text:In a vertical double acting steam engine running at 360 r.p.m, the cylinder diameter is 0.3 m, piston rod diameter is 40 mm and length of connecting rod is 0.7 m. When the crank has moved 120 degree from top dead centre, the pressure of steam at cover end is 0.35 N/mm? and that at the crank end is 0.03 N/mm2. If the weight of reciprocating parts is 500 N and length of stroke is 300 mm, find: (a) Piston effort and (b) Turning moment on crank shaft for the given crank position.
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