A four-stroke, 14, compression ignition engine operates on an air-standard diesel cycle at 3000 RPM. It has a compression ratio of 18 and a cut-off ratio of 3.5. During each cycle, 800 J of heat has been added to each cylinder. The diesel has a heating value of 44,000 kJ/kg. It has a combustion efficiency of 98% and mechanical efficiency is 86%. The engine has a turbocharger, and the cylinder conditions at the end of the expansion process are 1479.6 °C and 615.86 kPa. The exhaust gas residual is 4%. Determine the temperature [K], specific volume [m³/kg], and pressure [kPa] at each state of the cycle. the air-fuel ratio. (i) (ii) (iii) (iv) the brake power of this engine. [kW] the specific indicated work of the engine per cycle. [kJ/kg]

A four-stroke, 14, compression ignition engine operates on an air-standard diesel cycle at 3000 RPM. It has a compression ratio of 18 and a cut-off ratio of 3.5. During each cycle, 800 J of heat has been added to each cylinder. The diesel has a heating value of 44,000 kJ/kg. It has a combustion efficiency of 98% and mechanical efficiency is 86%. The engine has a turbocharger, and the cylinder conditions at the end of the expansion process are 1479.6 °C and 615.86 kPa. The exhaust gas residual is 4%. Determine the temperature [K], specific volume [m³/kg], and pressure [kPa] at each state of the cycle. the air-fuel ratio. (i) (ii) (iii) (iv) the brake power of this engine. [kW] the specific indicated work of the engine per cycle. [kJ/kg]

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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