a steam engine runs at 150rpm. its turning moment diagram gave the areas in mm2 taken in order above and below the mean torque line is 500,250,270,390,190,340,270,250, the scale for turning moment is 1mm=500mnm, 1mm=5’ if the fluctuation of speed is not to exceed +or-1.5% of mean, determine a suitable diameter and cross-section of the rim of flywheel with axial dimension equal to 1.5times the radial dimension. the hoop stress is limited to 3mpa and the density of material of flywheel is 7500kg/m3.
a steam engine runs at 150rpm. its turning moment diagram gave the areas in mm2 taken in order above and below the mean torque line is 500,250,270,390,190,340,270,250, the scale for turning moment is 1mm=500mnm, 1mm=5’ if the fluctuation of speed is not to exceed +or-1.5% of mean, determine a suitable diameter and cross-section of the rim of flywheel with axial dimension equal to 1.5times the radial dimension. the hoop stress is limited to 3mpa and the density of material of flywheel is 7500kg/m3.
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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a steam engine runs at 150rpm. its turning moment diagram gave the areas in mm2 taken in order above and below the mean torque line is 500,250,270,390,190,340,270,250, the scale for turning moment is 1mm=500mnm, 1mm=5’ if the fluctuation of speed is not to exceed +or-1.5% of mean, determine a suitable diameter and cross-section of the rim of flywheel with axial dimension equal to 1.5times the radial dimension. the hoop stress is limited to 3mpa and the density of material of flywheel is 7500kg/m3.
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