确定喷射导引燃烧系统中另外一种点火系统的热动力学潜能

2017/09/14   下载量： 3 次

方案摘要

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应用领域 汽车及零部件
检测样本 汽车电子电器
检测项目 热性能>其他
参考标准 暂无

采用LaVision公司特色的以DaVis软件平台为基础构成的喷雾成像测试（SprayMaster）系统对喷射导引燃烧系统中另外一种点火系统的热动力学潜能进行了研究。

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Current and future developments of the combustion engine serve
first and foremost to significantly reduce both fuel consumption
and harmful emissions. In pursuing this goal, the BMW Group is
consistently implementing the principle of "EfficientDynamics”,
optimising fuel economy, performance, and weight all at the
same time. Application of the spray-guided BMW DI combustion
principle in the internal combustion gasoline engine offers the
best potential in achieving this target [1].
The main requirements in a stratified combustion process are:
• To provide a compact, stable, reproducible, and homogenised
fuel/air mixture at the place and time of ignition.
• To reliably ignite the fuel/air mixture prepared through the ignition
system.
Consistent development of injector technology has set the foundation
in recent years for the development of the spray-guided DI
combustion process. This combustion principle enhanced by
BMW to production level and featured in the new generation of
BMW’s four- and six-cylinder gasoline engines in the European
markets, is characterised by the compact arrangement of the
injector (High Precision Injection) and the spark plug in the combustion
chamber, as shown in Figure 1, and enables to capitalise
on the thermodynamic potential of stratified combustion in an
optimised process [2,3].

上一篇 在一个双稳湍流涡旋火焰中，对间歇性动态的时间-频率定位
下一篇 高速成像诊断用于喷雾导引火花塞引燃直接喷射发动机（SGSIDI）的应用和进展

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北京欧兰科技发展有限公司
金牌会员 丨 第17年
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