Imager intense PIV相机

采用LaVision公司的ImagerIntense型相机和可编程时间控制单元PTU，Nd:YAG激光器和另外一台高速770Hz高速相机，测量研究了氧气在气泡中向液体扩散过程。

使用LaVison公司的DaVis图像采集处理平台，CCD相机，构成的粒子图像测速系统，以及美国Artium公司的两维LDV多普勒粒子测速仪，对单环形燃烧室的空气动力学，动力学和排放过程进行了实验研究。

采用LaVision的DaVis软件平台构成粒子成像测速系统，对湍流甲烷OXY型有氧燃烧的动力学，稳定性和比例效应进行了实验研究和理论分析。

采用LaVision的 FlowMaster-3S相机和DaVis软件构成粒子成像测速系统，对具有不同气态烃燃料的钝体稳定2D，V形湍流预混火焰的动力学与吹脱特性进行了实验研究

利用德国LaVision公司的ParticleMaster-Shadow阴影法粒径测量分析系统，对细水雾的喷雾特性进行了实验测量和分析。

用LaVision公司高灵敏度科学级CCD相机Imager Intense 测量多种模型燃料如n-dodecane, cyclohexane, isooctane, toluene， n-propylbenzene 和 jet-fuel (Jet A-1)等的层流燃烧速度。

采用LaVision公司特色的以DaVis软件平台为基础构成的粒子成像测速（PIV）系统对直接喷射火花塞引燃（DISI）引擎进气道产生的流动不稳定性进行了测试和研究。

采用LaVision公司特色的以DaVis软件平台为基础构成的粒子成像测速（PIV）和喷雾几何形态参数成像测试系统对燃料喷雾的形成和汽油燃料直接喷射（GDI）进行了测试和分析。

采用LaVision公司特色的衍射光学内窥镜可以用于量产发动机缸内燃烧状态的成像可视化测量。可以用于PLIF，PIV，Soot等流体和燃烧产物的分布测量。

采用LaVision公司的平面激光诱导荧光（PLIF）测试系统和以DaVis软件平台为基础构成的粒子成像测速（PIV）系统对直喷火花塞引燃（DISI）发动机工作在分层燃烧模式下燃料充量运动和混合物形成的周期性起伏现象进行了观测和研究。

采用LaVision公司特色的以DaVis软件平台为基础构成的粒子成像测速（PIV）系统对气缸内流动结构在一段大范围的实际发动机转速区间内的速度场进行了测量和分析。

LaVision公司特色的以图像增强器为核心部件构成的平面激光诱导荧光（PLIF）测试系统结合计算流体力学（CFD）方法用于新一代汽油直喷发动机的设计和优化。

利用LaVision的粒子成像测速（PIV)系统,对海水淡化装置中经场采用的中空纤维膜组件的壳程流体力学减租特性进行了研究

采用LaVision的DaVis 8.2.2 软件平台,可编程时间控制单元PTU, ImagerIntense高灵敏度低噪声相机，构成一套2D粒子成像测速系统。并利用该系统对纳米流体在湍流自然对流过程中的流动特性进行了实验研究和理论分析。

采用LaVision的DaVis8.4软件平台，以及ImagerIntense型CCD相机，组成了一套PIV速度矢量场和PLIF浓度场测量系统，并利用这一系统进行了模型管道几何形状多组分喷射的实验研究，并探讨了其在氢气安全中的应用。

采用LaVision公司的科研型CCD相机和智能成像系统，对酒精喷雾的几何参量进行了实时测量。和1维拉曼散射测量相结合，提供了对喷雾对象，多视角，多参量的测量和表征

采用LaVision公司的PIV系统。激光器能量为双脉冲400毫焦。对7马赫高超音速风洞中的15度-45度双斜面流场进行了测量。获得了流场中激波的空间分布的详细信息。

Injection processing of composite materials most often includes infiltration of a thermoset resin into a multi-scale porous fabric. Controlling the fluid flow within the multiscale fabric is essential for the quality of the final composite material, since the transport of fluid between regions with different scales plays an important role in phenomena such as void formation and filtration of particle doped resins. In this work, the transient flow behaviour in dual scale porous media is investigated with Micro Particle Image Velocimetry in order to enhance the knowledge and control of the processing of multi-scale composites so that their quality can be improved. Experiments show that the fluid transport between the two scales can be controlled by the injection velocity. Validation of the measured velocity fields furthermore shows excellent agreement with theory.

A stereo-μ-PIV system for the measurement of all three components of the velocity vector in a measurement plane (2D-3C) in a closed microchannel has been developed and first test measurements have been performed on the three-dimensional laminar flow in a T-shaped micromixer. Stereo-μ-PIV measurements in closed microchannels require a calibration based on the self-calibration of the tracer particle images. In order to include the effects of different refractive indices of the water in the microchannel, the glass of the entrance window, and the surrounding air a three-media-model is included in the triangulation procedure of the self calibration. A preliminary test case shows that the stereo-μ-PIV results deviate less than 5% from theoretical values. First measurements in the mixing zone of a T-shaped micromixer show that three-dimensional flow in a microchannel can be resolved, however, the accuracy of the measurements needs to be improved.

In this study we present scaled 2D physical models based on extensional deformation of a cohesive mixture of sand and gypsum. We studied the detailed evolution of normal faults in a graben above a rigid basement, in order to evaluate its deformation in time and space over a wide scale range. The material properties and the apparatus setup allow a scaling of the laboratory experiments with respect to the natural prototypes in the North German Basin. The structural evolution and displacement field was analysed by digital photography and Particle Image Velocimetry (PIV).

Pulsatile flow patterns in an intracranial side-wall aneurysm of a human carotid artery were investigated experimentally using microscopic particle image velocimetry on a flexible wall model. Numerical calculations were performed on a stiff-walled artery with the same geometry and flow conditions. Experimental results showed cyclical vortex formation and decay within the aneurysm. Numerical simulations agreed well with the experimental results and indicate that vortex position and magnitude are due to pulsatile flow conditions rather than wall elasticity. However, the present results suggest that wall compliance plays a role in sustaining the pressure gradients needed for vortex development.