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<p>This research is focused on the behavioural characteristics of the vibrations and noise level of a biofuel blend with diesel-powered dual-cylinder tractor engine. The tests were performed using CIME blends with and without exhaust gas recirculation (EGR) and compared. To diminish the adverse effects of fossil fuels, researchers have been studying biofuels for their performance, emissions, noise, vibration, and harshness. NVH study with CIME blends in tractor engine used in agriculture field is the research gap identified from extensive literature survey. It was evident that there is a need to reduce the vibration, noise level and pollution created by a vehicle, primarily with biofuel. The tests evaluated the impact of biodiesel performance, vibration and engine noise levels by integrating the EGR into the system. The accelerometers fixed at different locations, such as the engine head, mount and frame, show that vibration and noise levels have been reduced with an increased mixing ratio. It showed that among all the blends and pure diesel, B60 causes minimum vibration considering the overall root mean square values of acceleration at full speed. When compared to diesel, biodiesel blends significantly reduce engine vibration and pollutants. The RMS vibration values significantly drop; B20 and B100 exhibit reductions of around 40% and 70%, respectively, while B60 has the lowest RMS value, about 60–65% lower than diesel. With CO and HC levels lowered by 13–40% across biodiesel blends, emission characteristics also improve. However, compared to diesel, using biodiesel causes a little increase in NOx emissions, usually between 2 and 5%.</p>

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Vibration and noise attributes of a dual cylinder tractor engine fuelled with Calophyllum Inophyllum Methyl Ester blends

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年3月5日

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  • Saravanakumar Lakshmanasamy,
  • Selvakumar Pandiaraj,
  • Sricharan Saravanakumar Lalitha,
  • Sangeetha Manickam,
  • Suresh Muthusamy,
  • Choon Kit Chan,
  • Saurav Dixit,
  • Subhav Singh,
  • Chandrakant Sonawane

摘要

This research is focused on the behavioural characteristics of the vibrations and noise level of a biofuel blend with diesel-powered dual-cylinder tractor engine. The tests were performed using CIME blends with and without exhaust gas recirculation (EGR) and compared. To diminish the adverse effects of fossil fuels, researchers have been studying biofuels for their performance, emissions, noise, vibration, and harshness. NVH study with CIME blends in tractor engine used in agriculture field is the research gap identified from extensive literature survey. It was evident that there is a need to reduce the vibration, noise level and pollution created by a vehicle, primarily with biofuel. The tests evaluated the impact of biodiesel performance, vibration and engine noise levels by integrating the EGR into the system. The accelerometers fixed at different locations, such as the engine head, mount and frame, show that vibration and noise levels have been reduced with an increased mixing ratio. It showed that among all the blends and pure diesel, B60 causes minimum vibration considering the overall root mean square values of acceleration at full speed. When compared to diesel, biodiesel blends significantly reduce engine vibration and pollutants. The RMS vibration values significantly drop; B20 and B100 exhibit reductions of around 40% and 70%, respectively, while B60 has the lowest RMS value, about 60–65% lower than diesel. With CO and HC levels lowered by 13–40% across biodiesel blends, emission characteristics also improve. However, compared to diesel, using biodiesel causes a little increase in NOx emissions, usually between 2 and 5%.