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1.前言自从石油危机以来,根据在世界范围内节能的志向,汽车行业也致力于研制低油耗发动机并进行了多方面的研究。部分负荷的性能与汽车常用工况下的油耗关系密切,所以对如何改善部分负荷的性能,也进行了研究。在双轮摩托车方面,对研制低油耗发动机的要求也很强烈。与四轮车相比,双轮摩托车在重量和设计等方面限制条件较多,因而在发展降低油耗技术时必须以简单化这一条件为前提,已经有一部分车就是根据这种观点设计的,但在双轮摩托车上采用的二冲程发动机中,关于改善油耗和部分负荷性能的研究,可以说至今尚无前例。
1. Introduction Since the oil crisis, the automotive industry has also worked hard to develop low-fuel consumption engines and conducted various studies based on the ambition of saving energy worldwide. Part of the load performance and car fuel consumption under common conditions are closely related, so how to improve the performance of part load, also studied. In the two-wheeled motorcycle, the development of low-fuel consumption of the engine requirements are also very strong. Compared with the four-wheeled motorcycles, motorcycle and other aspects of weight and design constraints, and therefore in the development of fuel-efficient technology to reduce the need to simplify this condition as a prerequisite, there are already some cars is based on this point of view , But the two-stroke engines used on two-wheeled motorcycles, the study on improving fuel consumption and part load performance, can be said that so far no precedent.