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首页> 外文会议>Symposium on International Automotive Technology >Optimization of a Three Wheeler LPG Vehicle for Improved Fuel Consumption, Performance and Meeting BS-III Emission Norms
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Optimization of a Three Wheeler LPG Vehicle for Improved Fuel Consumption, Performance and Meeting BS-III Emission Norms

机译：优化三轮车LPG载体，提高燃料消耗，性能和满足BS-III排放规范

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摘要

This paper describes the strategies used in optimization of an existing three-wheeler Liquefied Petroleum Gas (LPG) vehicle variant for improving its fuel consumption, basic performance and meeting BS-III emission norms. The major technical areas targeted were: i) Redesigning of the gear ratios so that the vehicle predominantly runs in low rpm band i.e. between Peak torque and Peak power which is best SFC (Specific Fuel Consumption) region. ii) Optimization of intake system for LPG fuel which involves different combinations of air reducers and mixer ventury throat diameters with varying hole sizes and numbers. iii) Improving LPG kit from that used in the existing model to a modified one better suited for the smaller displacement engine on the vehicle. After rigorous work on the chassis dynamometer and various trials on road the optimized vehicle managed to deliver a 20% plus improvement in fuel consumption helping close the gap considerably to competitors. Fuel consumption varied from 24 - 26 based on different traffic conditions in different cities in India and different driver habits. The power and torques also increased by 10%. Vehicle also passed BS-III emission norms more comfortably than existing model in tests conducted at certified test agency.
机译：本文介绍了优化现有的三轮液化石油气（LPG）车辆变体的优化策略，用于提高其燃料消耗，基本性能和满足BS-III排放规范。针对的主要技术领域是：i）重新设计齿轮比，使车辆主要在低RPM频段中运行，即在最佳SFC（特定燃料消耗）区域之间的峰值扭矩和峰值功率之间。 ii）LPG燃料的进气系统的优化涉及具有不同孔尺寸和数量的空气减速器和混合器型喉部直径的不同组合。 III）改善现有模型中使用的LPG套件，以更适合于车辆上的较小位移引擎的改进的套件。经过严格的底盘测功机和道路上的各种试验，优化的车辆管理到燃料消耗的燃料消耗增加了20％，有助于竞争对手的差距。基于印度不同城市的不同交通状况和不同的司机习惯，燃料消耗从24 - 26变化。电力和扭矩也增加了10％。车辆还经过BS-III排放规范，而不是经过认证试验机构进行的测试中的现有模型更舒适。

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