方案详情文
The flow behind a backward facing step of 6 mm in height has been investigated by means of highresolution
tomographic PIV. The shedding of vortices was stabilized by acoustic excitation, enabling phaselocked
measurements of the flow field in a volume of 70x95x7 mm3. The gathered vector volumes with a
vector spacing of approx. 0.25 mm in each direction were investigated by the method of conditional
averaging. Basic flow structures, related to Q2 and Q4-events were extracted and their development in time
was characterized, using methods of joint probability density functions of the fluctuations and of the
invariants of the velocity gradient tensor.
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北京欧兰科技发展有限公司为您提供《流体中速度矢量场,漩涡结构检测方案 》，该方案主要用于其他中速度矢量场,漩涡结构检测，参考标准《暂无》，《流体中速度矢量场,漩涡结构检测方案 》用到的仪器有自适应粒子成像测速场仪（PIV）、德国LaVision PIV/PLIF粒子成像测速场仪、体视层析粒子成像测速系统(Tomo-PIV)。
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