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To replace conventional petroleum fuels, research is being done on biodiesels obtained from diverse biodegradable feedstocks. To evaluate and compare the combustion behavior utilizing second-generation non-edible waste cooking oil biodiesel (WCO) and oxyhydrogen (HHO) gas, this research analyzes the outputs of a compression ignition (CI) engine. A one-cylinder, direct injection, liquid-cooled CI engine was utilized in the experiment, and numerous combinations of fuel were examined. Between 25 and 100% of the diesel engine's maximum engine load, the different fuel samples were compared, and the engine's thermal properties were analyzed. The fuel combinations have the designations WB0, WB20, WB20HHO1, and WB20HHO2. The results show that 10.64% better efficiency and up to 17.02% less fuel consumption were obtained when HHO gas was used with biodiesel. Moreover, a decrease in nitric oxide (NO) emissions of up to 10.76% and hydrocarbon (HC) emissions of up to 16.67% has been found when both fuels are blended. The results suggest biodiesel and its combination with HHO as a feasible and sustainable fuel for diesel engines; nonetheless, engine tuning may increase engine performance even further when employing the biodiesel and HHO combination.

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Performance Evaluation of a Diesel Engine with Waste Cooking Oil Biodiesel Supplemented with Oxyhydrogen (HHO) Gas

  • 会议论文

  • 发表日期：

    2026年

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  • Aman Singh Rajpoot,
  • Tushar Choudhary,
  • Anoop Kumar Shukla,
  • Ajay Kumar Chauhan,
  • Abhinav Anand Sinha,
  • Himanshu Pachori

摘要

To replace conventional petroleum fuels, research is being done on biodiesels obtained from diverse biodegradable feedstocks. To evaluate and compare the combustion behavior utilizing second-generation non-edible waste cooking oil biodiesel (WCO) and oxyhydrogen (HHO) gas, this research analyzes the outputs of a compression ignition (CI) engine. A one-cylinder, direct injection, liquid-cooled CI engine was utilized in the experiment, and numerous combinations of fuel were examined. Between 25 and 100% of the diesel engine's maximum engine load, the different fuel samples were compared, and the engine's thermal properties were analyzed. The fuel combinations have the designations WB0, WB20, WB20HHO1, and WB20HHO2. The results show that 10.64% better efficiency and up to 17.02% less fuel consumption were obtained when HHO gas was used with biodiesel. Moreover, a decrease in nitric oxide (NO) emissions of up to 10.76% and hydrocarbon (HC) emissions of up to 16.67% has been found when both fuels are blended. The results suggest biodiesel and its combination with HHO as a feasible and sustainable fuel for diesel engines; nonetheless, engine tuning may increase engine performance even further when employing the biodiesel and HHO combination.