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首页> 外文会议>SAE International Powertrains, Fuels Lubricants Meeting >Evaluation of Engine Oil Performance with B5 and B20 Biodiesel in a Taxi Fleet Test
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Evaluation of Engine Oil Performance with B5 and B20 Biodiesel in a Taxi Fleet Test

机译：用B5和B20生物柴油在出租车舰队测试中评估发动机油性能

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摘要

The addition of 7% FAME (Fatty Acid Methyl Ester) is mandated in a number of European countries since 2008. Higher FAME concentrations up to 30% are used by fleets in some countries. Passenger car manufacturers have reported on the negative technical implications of biodiesel on engine oil dilution, engine cleanliness and corrosion. The reason for the impact of FAME can be attributed to the higher boiling point compared to fossil fuel and the lower oxidation stability due to the presence of unsaturated fatty acid components. In this study engine oils with different performance level were evaluated in a taxi fleet test run with B5 and B20 biodiesel. The test results are illustrated with the used oil analyses and the performance of the engine oils by end-of-test engine inspections. The main conclusions from this taxi test are: B5 and B20 fuel affect piston cleanliness significantly depending on the engine type, deposits are formed with low levels of bio fuel concentration in the sump, and the reduction in piston cleanliness is comparable between B20 and B5.
机译：自2008年以来，在许多欧洲国家授权添加7％的名称（脂肪酸甲酯）。在一些国家的船队使用高达30％的较高的名称浓度。乘用车制造商已经报道了生物柴油对发动机油稀释，发动机清洁和腐蚀的负面技术意义。与化石燃料相比，FAME撞击的原因可归因于沸点，由于不饱和脂肪酸组分的存在，较低的氧化稳定性。在这项研究中，在使用B5和B20生物柴油的出租车舰队试验中评估具有不同性能水平的发动机油。测试结果用二手油分析和发动机油的性能说明，通过终止的发动机检查。来自该出租车测试的主要结论是：B5和B20燃料会根据发动机型显着影响活塞清洁，沉积物形成贮槽中的低水平的生物燃料浓度，活塞清洁度在B20和B5之间的降低相当。

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