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<p>This article attempted to study the impact of acetylene induction on a PCCI engine powered with simarouba glauca oil-blended diesel. The experiment is carried out in the PCCI computerised engine by varying the load from 25 to 100% at a constant speed of 1500&#xa0;rpm. The acetylene was induced in the air stream entering the inlet manifold at flow rates of 2, 4, and 6 LPM when the engine operated with 25% simarouba glauca blended diesel fuel, which are designated as S25, S25A2, S25A4, and S25A6. Experiments results show the hike in thermal efficiency, exhaust gas temperature, exergy efficiency, sustainability index, cooling water and exhaust gas exergy, brake specific nitrogen monoxide, and drop in brake specific energy consumption, brake specific hydrocarbon, brake specific carbon monoxide, brake specific carbon dioxide, smoke opacity, destructed exergy, entropy generation, fuel exergy, thermoeconomic loss, environmental loss, and exergoeconomic loss. On the whole, acetylene addition is a good PCCI engine attribute except for brake-specific nitrogen monoxide, which puts a limitation and needs an emission reduction technique. Hence, the selective catalytic reduction method can be selected for the scope of future work.</p>

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Experimental investigation of PCCI engine characteristics powered by simarouba glauca oil-diesel blend with acetylene induction

  • 期刊论文

  • 发表日期：

    2026年3月6日

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  • Sivashankar Manickam,
  • Mathanraj Vijayaragavan,
  • Manikandaraja Gurusamy,
  • J. S. Femilda Josephin,
  • Edwin Geo Varuvel,
  • Jerome Stanley Martin

摘要

This article attempted to study the impact of acetylene induction on a PCCI engine powered with simarouba glauca oil-blended diesel. The experiment is carried out in the PCCI computerised engine by varying the load from 25 to 100% at a constant speed of 1500 rpm. The acetylene was induced in the air stream entering the inlet manifold at flow rates of 2, 4, and 6 LPM when the engine operated with 25% simarouba glauca blended diesel fuel, which are designated as S25, S25A2, S25A4, and S25A6. Experiments results show the hike in thermal efficiency, exhaust gas temperature, exergy efficiency, sustainability index, cooling water and exhaust gas exergy, brake specific nitrogen monoxide, and drop in brake specific energy consumption, brake specific hydrocarbon, brake specific carbon monoxide, brake specific carbon dioxide, smoke opacity, destructed exergy, entropy generation, fuel exergy, thermoeconomic loss, environmental loss, and exergoeconomic loss. On the whole, acetylene addition is a good PCCI engine attribute except for brake-specific nitrogen monoxide, which puts a limitation and needs an emission reduction technique. Hence, the selective catalytic reduction method can be selected for the scope of future work.