アルコール混合燃料によるディーゼル機関の燃焼変動に関する研究*

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  • アルコール コンゴウ ネンリョウ ニ ヨル ディーゼル キカン ノ ネンショウ
  • The Characteristics of Cycle-to-Cycle Combustion Variation in a Diesel Engine with Alcohol Blended Fuel

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This paper presents the characteristics of cycle-to-cycle combustion variations in a diesel engine. The combustion variations are particularly significant for low cetane number fuels like alcohol, and cause deterioration in thermal efficiency as well as rough combustion. Combustion variations appear in various forms, such as variations in ignition lag, indicated mean effective pressure, maximum combustion pressure, or combustion rate. These variations are largely caused by the variable ignition lag. This paper also reports the characteristics of CPL related to combustion noise in combustion variations

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