14. A single cylinder internal combustion engine working on the four stroke cycle develops 75 kW at 360 r.p.m. The fluctuation of energy can be assumed to be 0.9 times the energy developed per cycle. If the fluctuation of speed is not to exceed 1 per cent and the maximum centrifugal stress in the flywheel is to be 5.5 MPa, estimate the mean diameter and the cross-sectional area of the rim. The material of the rim has a density of 7.2 Mg/m³. [Ans. 1.47 m; 0.088 m²]

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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14.
A single cylinder internal combustion engine working on the four stroke cycle develops 75 kW at 360
r.p.m. The fluctuation of energy can be assumed to be 0.9 times the energy developed per cycle. If the
fluctuation of speed is not to exceed 1 per cent and the maximum centrifugal stress in the flywheel is
to be 5.5 MPa, estimate the mean diameter and the cross-sectional area of the rim. The material of the
rim has a density of 7.2 Mg/m³.
[Ans. 1.47 m; 0.088 m²]
Transcribed Image Text:14. A single cylinder internal combustion engine working on the four stroke cycle develops 75 kW at 360 r.p.m. The fluctuation of energy can be assumed to be 0.9 times the energy developed per cycle. If the fluctuation of speed is not to exceed 1 per cent and the maximum centrifugal stress in the flywheel is to be 5.5 MPa, estimate the mean diameter and the cross-sectional area of the rim. The material of the rim has a density of 7.2 Mg/m³. [Ans. 1.47 m; 0.088 m²]
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