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<p>Hydrogen peroxide (HPO) is used as an oxygenate in various industries. In recent years, research on the use of HPO as an energy source in studies focused on energy efficiency has increased. In this study, the effects of HPO on engine performance and emissions were tested for the first time in the literature using an i-DSI engine. The tests were initially conducted with the base fuel, gasoline (G100), and then with HPO added to gasoline at mass ratios of 0.25% (HPO0.25), 0.50% (HPO0.50), 0.75% (HPO0.75), 1.00% (HPO1.00), 1.25% (HPO1.25), 1.50% (HPO1.50), 1.75% (HPO1.75), and 2.00% (HPO2.00). At the end of the tests, performance parameters such as brake torque, brake power (BP), brake mean effective pressure (BMEP), brake-specific fuel consumption (BSFC), volumetric efficiency, and exhaust gas temperature were measured. Additionally, CO, CO₂, UHC, and NO<i>ₓ</i> emissions were measured for environmental impact assessment. As the HPO ratio increased from G100 to HPO2.00, brake torque, BP, and BMEP parameters increased by 9.93%. Thermal efficiency and volumetric efficiency for HPO2.00 improved by 12.50% and 14.70%, respectively, compared to G100. BSFC decreased by 11.11% with HPO2.00. For the HPO2.00 fuel, emissions of CO, UHC, and NO<i>ₓ</i> per unit power decreased by 40.70%, 23.67%, and 6.74%, respectively, compared to G100. In contrast, CO₂ emissions increased by 21.71% relative to G100. However, as a striking result, performance and emission improvements stagnated with the increasing HPO ratio beyond HPO1.00. This condition provided the optimum fuel mixture (HPO1.00) in terms of both engine health and performance–emission improvements.</p>

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Experimental investigation of the effects of hydrogen peroxide as an oxygenate on performance and emissions in an i-DSI engine

  • 期刊论文

  • 发表日期：

    2025年10月3日

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  • Emrah Kantaroğlu

摘要

Hydrogen peroxide (HPO) is used as an oxygenate in various industries. In recent years, research on the use of HPO as an energy source in studies focused on energy efficiency has increased. In this study, the effects of HPO on engine performance and emissions were tested for the first time in the literature using an i-DSI engine. The tests were initially conducted with the base fuel, gasoline (G100), and then with HPO added to gasoline at mass ratios of 0.25% (HPO0.25), 0.50% (HPO0.50), 0.75% (HPO0.75), 1.00% (HPO1.00), 1.25% (HPO1.25), 1.50% (HPO1.50), 1.75% (HPO1.75), and 2.00% (HPO2.00). At the end of the tests, performance parameters such as brake torque, brake power (BP), brake mean effective pressure (BMEP), brake-specific fuel consumption (BSFC), volumetric efficiency, and exhaust gas temperature were measured. Additionally, CO, CO₂, UHC, and NOₓ emissions were measured for environmental impact assessment. As the HPO ratio increased from G100 to HPO2.00, brake torque, BP, and BMEP parameters increased by 9.93%. Thermal efficiency and volumetric efficiency for HPO2.00 improved by 12.50% and 14.70%, respectively, compared to G100. BSFC decreased by 11.11% with HPO2.00. For the HPO2.00 fuel, emissions of CO, UHC, and NOₓ per unit power decreased by 40.70%, 23.67%, and 6.74%, respectively, compared to G100. In contrast, CO₂ emissions increased by 21.71% relative to G100. However, as a striking result, performance and emission improvements stagnated with the increasing HPO ratio beyond HPO1.00. This condition provided the optimum fuel mixture (HPO1.00) in terms of both engine health and performance–emission improvements.