方案摘要
方案下载应用领域 | 其他 |
检测样本 | 其他 |
检测项目 | |
参考标准 | 暂无 |
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.
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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