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The effect of combustion parameters on the nitric oxide emission in direct injection type diesel engine

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This paper presents the investigation of influence factors on the output performance and the reduction of exhaust emission in the direct injection type diesel engine. In this work, the analysis of combustion products and combustion characteristics are investigated by numerical method and experiment under the various engine operating conditions. The combusion performance and exhaust emissions are analyzed in terms of the heat release, cylinder pressure and major exhaust emissions of engine. The accuracy of the prediction versus experimental data and the capability of the heat release, cylinder pressure and all the major exhaust emissions are demonstrated. The results of this study show that the combustion parameters have influence on the combustion processes and the nitric oxide emission in the direct injection type diesel engine. The nitric oxide concentration decreases with the increase of engine speed and the advance of injection timing.

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Bakar, R.A., Lee, C.S. The effect of combustion parameters on the nitric oxide emission in direct injection type diesel engine. KSME International Journal 11, 672–680 (1997).

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Key Words

  • Fuel Properties
  • Combustion Characteristics
  • Exhaust Emission
  • Combustion Simulation