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首页> 外文期刊>Fuel >Effect of Karanja biodiesel blend on engine wear in a diesel engine
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Effect of Karanja biodiesel blend on engine wear in a diesel engine

机译：Karanja生物柴油混合物对柴油发动机发动机磨损的影响

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摘要

For large-scale and reliable implementation of biodiesel in transportation engines, its effects on engine wear and engine durability upon prolonged usage needs to be experimentally investigated. Therefore effects of 20% Karanja biodiesel blend (KOME20) on engine wear and durability was studied vis-a-vis mineral diesel in 250 h long endurance test on a direct injection compression ignition (DICI) engine. Visual inspection of engine components for deposits indicted higher carbon deposits on piston top, cylinder head and injector tip for biodiesel fuelled engine. Relatively lower wear of valves, pistons, piston rings, liners and small end bearings of the connecting rods was observed for biodiesel fuelled engine. Wear of big end bearing of the connecting rods, main bearings and crank pins was found to be higher for biodiesel fuelled engine. Surface texture of cylinder liners remained in acceptable condition after the endurance test for mineral diesel as well as Karanja biodiesel blend. Despite higher carbon deposits and higher wear of some vital engine components, no operational problems were observed during the lone-term endurance test for the biodiesel fueled engine.
机译：为了在运输发动机中大规模可靠地使用生物柴油，需要长期研究其对发动机磨损和发动机耐用性的影响。因此，在直接喷射压缩点火（DICI）发动机上进行了250小时的长时间耐力测试，研究了20％的Karanja生物柴油混合物（KOME20）对发动机磨损和耐久性的影响。目视检查发动机组件是否有沉积物，这表明生物柴油燃料发动机的活塞顶部，气缸盖和喷油嘴上有较高的碳沉积物。对于以生物柴油为燃料的发动机，观察到阀，活塞，活塞环，衬套和连杆的小端轴承的磨损相对较低。发现生物柴油燃料发动机的连杆，主轴承和曲柄销的大端轴承的磨损较高。矿物柴油以及Karanja生物柴油混合物的耐久性测试后，汽缸套的表面纹理保持在可接受的条件下。尽管较高的碳沉积量和某些重要发动机部件的较高磨损，但在生物柴油燃料发动机的长期耐久试验中未观察到操作问题。

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  • 来源
    《Fuel》 |2014年第15期|81-89|共9页
  • 作者

    Atul Dhar; Avinash Kumar Agarwal;

  • 作者单位

    Engine Research Laboratory, Department of Mechanical Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India;

    Engine Research Laboratory, Department of Mechanical Engineering, Indian Institute of Technology Kanpur, Kanpur 208016, India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Wear; Biodiesel; Endurance test; Carbon deposits; Surface roughness;

    机译：穿;生物柴油忍耐力测试;碳沉积;表面粗糙度;

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