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The Effects of Different Fuels on Wear between Piston Ring and Cylinder

机译：不同燃料对活塞环与气缸间磨损的影响

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摘要

In internal combustion engines, mechanical friction occurs between engine components in contact with each other, leading to wear and important loss of efficiency. Mechanical energy absorbed by piston ring-cylinder pair in piston engines accounts for the largest portion of efficiency losses due to mechanical friction. Different engine lubrication regimes significantly affect wear and friction. In addition to selection of compatible materials, improvement of operational conditions and the properties of lubricants and fuels are of great importance to minimize wear. This study investigated the effects of oil, diesel fuel, oil + diesel fuel, and two different biodiesel fuels (SOME: sunflower oil methyl ester and TSOME: tobacco seed oil methyl ester) as engine lubricants and their effects on wear in piston ring-cylinder pair. The tests were carried out at different engine speeds and loads. Minimum wear occurred when using engine oil as lubricant, and maximum wear occurred when using diesel fuel as lubricant. The use of SOME and TSOME lubricant resulted in half the amount of engine wear, on average, compared to diesel.
机译：在内燃机中，在彼此接触的发动机部件之间发生机械摩擦，从而导致磨损和效率的重大损失。活塞发动机中的一对活塞环-气缸对吸收的机械能是机械摩擦造成的效率损失的最大部分。不同的发动机润滑方式会严重影响磨损和摩擦。除了选择兼容的材料以外，改善操作条件以及润滑剂和燃料的性能对于最大程度地减少磨损也很重要。这项研究调查了机油，柴油，机油+柴油以及两种不同的生物柴油燃料（某些：向日葵油甲酯和TSOME：烟草籽油甲酯）作为发动机润滑剂的作用及其对活塞环气缸磨损的影响。对。测试是在不同的发动机转速和负载下进行的。使用机油作为润滑剂时磨损最小，而使用柴油作为润滑剂时磨损最大。与柴油相比，使用SOME和TSOME润滑剂平均可减少一半的发动机磨损。

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