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Hydroxy and hydrogen blended gases offer a promising catalyst fuel for enhancing efficiency and reducing NOx emissions from gasoline-powered engines. However, challenges related to the production, storage, and distribution of these gases exist. The narrow flammability limits of petrol, compared to hydrogen, may lead to partial burning or misfires in engines relying solely on petrol when operating with lean mixtures. This paper addresses these concerns and presents experimental findings on the impact of introducing enriched hydroxy and hydrogen mixed gases (referred to as HHO +  + ) on a petrol engine's performance. Parameters like effective power, brake specific fuel consumption (BSFC), and emissions (NOx, HC) are investigated. The experiments, conducted on a dynamometer, precede implementation in commercially modified two-wheeler vehicles, specifically the Honda Activa and Suzuki Access 125. A specialized valve, positioned between the intake and air filter, is added to the engines. Tests encompass various operating conditions and air–fuel ratios, with the injection of hydrocarbons and hydrogen-rich gases into the engine cylinder. Prior to injection, experiments are carried out to separate positive and negative ions of the gas phase, and gas compounds are analysed for hydrocarbon specificity using Gas Chromatography-Mass Spectrometry (GC–MS) at the Sophisticate Analytical Instruments Facility (SAIF) at IIT Bombay. This paper provides a brief overview of some key results obtained from these experiments.

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Single Cylinder Engine Fueled with Petrol and Enriched Hydrogen and Hydroxy for Better Performance

  • 会议论文

  • 发表日期：

    2026年

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  • Kalapati Sukumar,
  • K. Venkata Subbaiah,
  • K. Narayana Rao

摘要

Hydroxy and hydrogen blended gases offer a promising catalyst fuel for enhancing efficiency and reducing NOx emissions from gasoline-powered engines. However, challenges related to the production, storage, and distribution of these gases exist. The narrow flammability limits of petrol, compared to hydrogen, may lead to partial burning or misfires in engines relying solely on petrol when operating with lean mixtures. This paper addresses these concerns and presents experimental findings on the impact of introducing enriched hydroxy and hydrogen mixed gases (referred to as HHO +  + ) on a petrol engine's performance. Parameters like effective power, brake specific fuel consumption (BSFC), and emissions (NOx, HC) are investigated. The experiments, conducted on a dynamometer, precede implementation in commercially modified two-wheeler vehicles, specifically the Honda Activa and Suzuki Access 125. A specialized valve, positioned between the intake and air filter, is added to the engines. Tests encompass various operating conditions and air–fuel ratios, with the injection of hydrocarbons and hydrogen-rich gases into the engine cylinder. Prior to injection, experiments are carried out to separate positive and negative ions of the gas phase, and gas compounds are analysed for hydrocarbon specificity using Gas Chromatography-Mass Spectrometry (GC–MS) at the Sophisticate Analytical Instruments Facility (SAIF) at IIT Bombay. This paper provides a brief overview of some key results obtained from these experiments.