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 | 其他>其他 |
参考标准 | 暂无 |
采用以LaVision公司特色高速图像增强器为核心搭建的平面激光诱导荧光(PLIF系统)对直喷火花塞引燃(DISI)发动机内燃料分布,引燃和燃烧过程进行了曲轴角分辨成像测量和分析。
A combination of imaging techniques for investigations
of highly transient processes and cyclic variations in internal
combustion engines is presented. The single highspeed
camera setup uses a CMOS camera combined
with a two-stage image-intensifier and two excimer lasers.
Fuel mixing, ignition and combustion were monitored
via planar laser induced fluorescence imaging of
toluene as a tracer that was added to iso-octane in combination
with the simultaneous recording of light emission
from the spark plasma and OH* chemiluminescence
of the developing flame. Image frame rates of 12 kHz for
hundreds of cycles were achieved. Application to misfire
events in a spray-guided gasoline direct-injection engine
is described to illustrate the merits of the technique.
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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