| 1. | A method of dom quantitative analysis in the laser induced fluorescence remote system 激光诱导荧光水体污染遥测数据定量分析方法 |
| 2. | The method for analyzing the excitation spectral structure of diatomic molecule with laser induced fluorescence 激光诱导双原子分子荧光激发谱结构的分析方法 |
| 3. | This paper mainly study a non - confocal laser induced fluorescence ( lif ) detection system , which is used to count micro - ball flowed into the channel of the microfluidic chip 本论文主要研究一种对流过微流控芯片通道的微球进行计数的非共焦型激光诱导荧光检测系统。 |
| 4. | A confocal laser induced fluorescence detector based on a 635nm laser diode is established for use with the micro fluidic , capillary electrophoresis chip in the study . the photo multiplier tube is employed for the detection of the fluorescence and the a / d card for sampling signal 该检测器采用635nm半导体激光器作为光源,通过共焦光路收集荧光信号,经高性能的滤光片滤光,由光电倍增管进行光电转换,再由a / d卡将信号输入到计算机中。 |
| 5. | This dissertation is about theories and applications research of cfi , includes four main parts : first , the theoretical modeling of computational flow imaging corresponding to shadowgraph , schlieren , interferometric and planar laser induced fluorescence ( plif ) is developed 本文对cfi的理论和应用进行了研究,主要包括以下四个方面: 1在总结国外cfi工作的基础上,创新地建立了一套严格的、基本完善的、并具有较强针对性的计算光学流动显示技术( cfi )的理论体系。 |
| 6. | Planar laser induced fluorescence ( plif ) was used to study the spray / wall impinging in constant volume vessel . the experimental result show that when fuel spray impinging on the plane wall , wall jet was formed while fuel impinging on a plane wall with a bump , when the wall jet meet the bump , a secondary jet can be formed . some parameters affecting the secondary spray were studied , including bump height , the secondary impinging distance , impinging distance and injector parameters 对传统燃烧室和bump燃烧室内燃油空气混合过程进行了对比研究,发现燃油撞壁以后在传统燃烧室壁面形成壁面射流,这一层燃油浓度很高,很难与空气混合,而在bump燃烧室内,壁面射流遇到bump后,会在空间形成二次射流,二次射流进一步能快速与空气充分混合。 |
| 7. | Computational flow imaging ( cfi ) uses theoretical predictions of the interaction and transmission of optical waves through theoretical flowfield to generate digital pictures that simulate real observations . it was used to construct flow visualization corresponding to shadowgraph , schlieren , interferometric and planar laser induced fluorescence ( plif ) images . by providing a better insight into the flow physics and cfd code behavior , cfi is proving to be extremely useful to experimentally validate cfd codes 计算光学流动显示技术( computationalflowimaging - cfi )就是把数值计算( cfd )获得的流场中的物理场,经过与实验相同的计算光学(全息干涉、纹影、阴影、平面激光诱导荧光)的过程转换为所需的各个方向与试验流动显示图像相对应的计算流动图像。 |
| 8. | Planar laser induced fluorescence ( plif ) and multi - dimensional cfd software was used to study the fuel - air mixing process in traditional combustion chamber and bump combustion chamber , the experimental and simulated result agree well in room condition . the fuel - air mixing process in high pressure and temperature in traditional and bump combustion chamber were compared . the result show that fuel and air can mix more quickly in bump combustion chamber than in traditional combustion chamber , fuel - air mixture in bump combustion chamber is more homogenous than in traditional chamber 进一步对高温高压下传统燃烧室和bump燃烧室内燃油空气混合好坏进行了对比研究,提出了衡量燃油与空气混合好坏的三个指标,发现bump燃烧室内燃油能在更大的体积内与空气混合, bump燃烧室内燃油比传统燃烧室内燃油分布相对更均匀, bump燃烧室内燃油浓度耗散率为传统燃烧室内燃油耗散率2 . 8倍,能更快与空气混合。 |