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CNG engines emit higher NOx as compared to gasoline engines at stoichiometric condition. Lean burn combustion lowers the NOx emission and imparts better thermal efficiency but increases the tendency of misfire and increases cycle by cycle variation. Hydrogen burning extends combustion (lean limit), better thermal eff., combustion expedition and duration. This paper shows the consequences of hydrogen along with the CNG blends on the Multi-cylinder Spark Ignition Engine. The combustion and error analysis is done for optimum blend of 5% hydrogen. The experimentation was performed at MBT spark timing with WOT conditions. Sequential injection system shows improvement in performance and combustion of the engine.

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Combustion and Error Analysis of Hydrogen—CNG Blends Fuelled Multi Cylinder SI Engine

  • 章节

  • 发表日期：

    2026年

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  • Priya,
  • Inderpal Singh,
  • Arun Kumar Rana,
  • Mohammad Rasmi Al-Mousa,
  • Jayant Giri,
  • Neeraj Sunheriya,
  • Sami Askar

摘要

CNG engines emit higher NOx as compared to gasoline engines at stoichiometric condition. Lean burn combustion lowers the NOx emission and imparts better thermal efficiency but increases the tendency of misfire and increases cycle by cycle variation. Hydrogen burning extends combustion (lean limit), better thermal eff., combustion expedition and duration. This paper shows the consequences of hydrogen along with the CNG blends on the Multi-cylinder Spark Ignition Engine. The combustion and error analysis is done for optimum blend of 5% hydrogen. The experimentation was performed at MBT spark timing with WOT conditions. Sequential injection system shows improvement in performance and combustion of the engine.