2. Design a cast iron trunk type piston for a single acting four stroke engine developing 75 kW percylinder when running at 600 r.p.m. The other avialable data is as follows:Maximum gas pressure = 4.8 N/mm2; Indicated mean effective pressure = 0.65 N/mm?; Mechanicalefficiency = 95%; Radius of crank = 110 mm; Fuel consumption = 0.3 kg/BP/hr; Calorific value offuel (higher) = 44 x 10°KJ/kg; Difference of temperatures at the centre and edges of the piston head =200°C; Allowable stress for the material of the piston = 33.5 MPa; Allowable stress for the material ofthe piston rings and gudgeon pin = 80 MPa; Allowable bearing pressure on the piston barrel = 0.4N/mm2 and allowable bearing pressure on the gudgeon pin = 17 N/mm2.

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Design a cast iron trunk type piston for a single acting four stroke engine developing 75 kV cylinder when running at 600 r.p.m. The other avialable data is as follows: Maximum gas pressure = 4.8 N/mm2; Indicated mean effective pressure = 0.65 N/mm²; Mecha efficiency = 95%; Radius of crank = 110 mm; Fuel consumption = 0.3 kg/BP/hr; Calorific val fuel (higher) = 44 x 10°KJ/kg; Difference of temperatures at the centre and edges of the piston he 200°C; Allowable stress for the material of the piston = 33.5 MPa; Allowable stress for the mater the piston rings and gudgeon pin = 80 MPa; Allowable bearing pressure on the piston barrel N/mm2 and allowable bearing pressure on the gudgeon pin = 17 N/mm2. %3D %3D %3D %3D %3D %3D %3D

Design a cast iron trunk type piston for a single acting four stroke engine developing 75 kV cylinder when running at 600 r.p.m. The other avialable data is as follows: Maximum gas pressure = 4.8 N/mm2; Indicated mean effective pressure = 0.65 N/mm²; Mecha efficiency = 95%; Radius of crank = 110 mm; Fuel consumption = 0.3 kg/BP/hr; Calorific val fuel (higher) = 44 x 10°KJ/kg; Difference of temperatures at the centre and edges of the piston he 200°C; Allowable stress for the material of the piston = 33.5 MPa; Allowable stress for the mater the piston rings and gudgeon pin = 80 MPa; Allowable bearing pressure on the piston barrel N/mm2 and allowable bearing pressure on the gudgeon pin = 17 N/mm2. %3D %3D %3D %3D %3D %3D %3D

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.

Question

2. Design a cast iron trunk type piston for a single acting four stroke engine developing 75 kW per
cylinder when running at 600 r.p.m. The other avialable data is as follows:
Maximum gas pressure = 4.8 N/mm2; Indicated mean effective pressure = 0.65 N/mm?; Mechanical
efficiency = 95%; Radius of crank = 110 mm; Fuel consumption = 0.3 kg/BP/hr; Calorific value of
fuel (higher) = 44 x 10°KJ/kg; Difference of temperatures at the centre and edges of the piston head =
200°C; Allowable stress for the material of the piston = 33.5 MPa; Allowable stress for the material of
the piston rings and gudgeon pin = 80 MPa; Allowable bearing pressure on the piston barrel = 0.4
N/mm2 and allowable bearing pressure on the gudgeon pin = 17 N/mm2.

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