The following data is given for a four-stroke, four-cylinder, diesel engine: Cylinder diameter = 35 cm, piston stroke =

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The Following Data Is Given For A Four Stroke Four Cylinder Diesel Engine Cylinder Diameter 35 Cm Piston Stroke 1 (45.8 KiB) Viewed 38 times

The following data is given for a four-stroke, four-cylinder, diesel engine: Cylinder diameter = 35 cm, piston stroke = 40 cm, engine speed = 315 rpm, IMEP = 7 bar, engine torque= 8 kN-m, fuel consumption = 80 kg/h, CV of / fuel used = 43000 kJ/kg, air consumption = 30 kg/min, cooling water circulated = 90 kg/min, rise in temperature of cooling water = 38°C, exhaust gas temperature = 322°C, cp for exhaust gases = 1.1 kJ/ kg.K, ambient temperature = 22°C. cp for water = 4.2 kJ/kg.K Calculate (a) the mechanical and indicated thermal efficiency, (b) draw up heat balance sheet on minute and percentage basis.