流量计双平面立体PIVLaVision 采用粒子图像测速来测量间隔区填充管道内液体和液体/气体流动液体速度场分布形态

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Liquid and liquid/gas flows through spacer filled channels were studied using ParticleImagingVelocimetry (PIV)   to provide experimental support for velocity distributions obtained from Computational Fluid Dynamics studies available in the literature. It is shown that PIV is a suitable technique for measuring velocity profiles in spacer filled channels, although care has to be taken when interpreting the results.
PIV measurements were carried out for an entire flow cell(5cm×15 cm), a smaller area of roughly 7mm×8mm and for a single spacer cell(2.5mm×3mm). The experimental results show that fluid flow is well distributed across the entire flow cell in the case of single-phase flow. The recordings of the single spacer cell showed that liquid flow is mainly parallel to the spacer filaments and therefore the direction of flow changes 90◦ over the height of the channel. Introduction of air bubbles introduced strong local velocity gradients.The liquid velocity in two-phase flows is shown to be more unsteady than in the case of single-phase flow, which is advantageous when trying to prevent fouling or concentration polarization.

流量计双平面立体PIVLaVision 采用粒子图像测速来测量间隔区填充管道内液体和液体/气体流动液体速度场分布形态信息由北京欧兰科技发展有限公司为您提供，如您想了解更多关于流量计双平面立体PIVLaVision 采用粒子图像测速来测量间隔区填充管道内液体和液体/气体流动液体速度场分布形态报价、型号、参数等信息，欢迎来电或留言咨询。

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