方案摘要
方案下载应用领域 | 汽车及零部件 |
检测样本 | 汽车电子电器 |
检测项目 | 热性能>燃烧特性 |
参考标准 | 暂无 |
采用LaVision公司的高速相机成像系统,对直喷火花塞引燃发动机进行了曲轴角同步的高速成像测量。研究了缸内火焰传播和燃烧状态的周期性变化规律。
An electronic high-speed imaging system capable of cycleresolved
investigation of the in-cylinder flow, spray and
flame development in IC engines is presented. The imaging
system is comprised of a CCD camera and a diode-pumped
Nd:YAG laser. The application of the system, in conjunction
with the standard combustion analysis, to a transparent
DISI engine, with the goal of investigation of cycle-resolved
flame development and cyclic combustion variations, is
described. The results for the homogeneous-charge combustion
mode confirm the primary dependence of the cyclic
combustion variations on the initial flame kernel size. The
flame imaging for the stratified-charge combustion case
reveal significant flame distortion and effect of droplet
combustion and soot on the flame luminosity, with consequent
short-comings for analysis of the flame geometry.
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
Particle-laden Taylor-Couette流:高阶转变和径向局部波浪涡旋的证据
7根杆束的流体-结构相互作用:用实验数据对比数值模拟
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