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university of north carolina Operations And Supply Chain Management Assignment Help - A six-cylinder


Question - A six-cylinder, four-stroke, 4.5-L compression-ignition engine operates on the ideal diesel cycle with a
compression ratio of 17. The air is at 95 kPa and 55°C at the beginning of the compression process
and the engine speed is 2000 rpm. The engine uses light diesel fuel with a heating value of 42,500
kJ/kg, an air–fuel ratio of 24, and a combustion efficiency of 98 percent using constant specific heats
at 850 K, determine (a) the maximum temperature in the cycle and the cutoff ratio (b) the net work
output per cycle and the thermal efficiency, (c) the mean effective pressure, (d ) the net power output,
and (e) the specific fuel consumption, in g/kWh, defined as the ratio of the mass of the fuel consumed
to the net work pro ...Read More

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