Q1: An engine of multi-cylinder is to rotate at a speed of 600 r.p.m. At draw the turning moment diagram to a scale of 1 mm = 250 N-m and 1 mm = 3°, the areas below and above the mean torque line in mm^2 are: + 160, 172, + 168, 191, + 197,- 162. The speed is to be kept within +1% of the mean speed of the engine. Determine the necessary moment of inertia of the flywheel. Determine the suitable dimensions of a rectangular flywheel rim if the breadth is twice its thickness. The density of the cast iron is 7250 kg/m3 and its hoop stress is 6 MPa. Assume that the rim contributes 92% of the flywheel effect.

Q1: An engine of multi-cylinder is to rotate at a speed of 600 r.p.m. At draw the turning moment diagram to a scale of 1 mm = 250 N-m and 1 mm = 3°, the areas below and above the mean torque line in mm^2 are: + 160, 172, + 168, 191, + 197,- 162. The speed is to be kept within +1% of the mean speed of the engine. Determine the necessary moment of inertia of the flywheel. Determine the suitable dimensions of a rectangular flywheel rim if the breadth is twice its thickness. The density of the cast iron is 7250 kg/m3 and its hoop stress is 6 MPa. Assume that the rim contributes 92% of the flywheel effect.

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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Q1: An engine of multi-cylinder is to rotate at a speed of 600 r.p.m. At
draw the turning moment diagram to a scale of 1 mm = 250 N-m and 1
3°, the areas below and above the mean torque line in mm^2 are:
+ 160, 172, + 168, 191, + 197,- 162. The speed is to be kept within
+ 1% of the mean speed of the engine. Determine the necessary moment
of inertia of the flywheel. Determine the suitable dimensions of a
rectangular flywheel rim if the breadth is twice its thickness. The density
of the cast iron is 7250 kg/m3 and its hoop stress is 6 MPa. Assume that
the rim contributes 92% of the flywheel effect.

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