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Measure technology for strongly swirling fluid flow in cyclone separators: Application and comparison

机译：旋风分离器中强烈旋转流体流动的测量技术：应用与比较

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摘要

Three representative measurement technologies, Multiple Holes Pitot Tubes (MHPT), Laser Doppler Velocimetry (LDV) and Particle Image Velocimetry (PIV) on the strongly turbulent and swirling flow in the conventional cyclone separator, are described in the present work. The experimental data are analyzed and compared in order to evaluate the accuracy level of these methods. The comparison results show that these measurement technologies agree with each other well in general for mean velocity in cyclone separators. In addition, the calibrated MHPT method is simple with not much difference in measured quantities. However, as the new and PIV technology can provide the fluid flow characteristics in detail, including the turbulent parameters even gas-particle two phases flows and avoid the effect of intrusion on flow pattern.
机译：在本工作中描述了三种代表性测量技术，多孔皮托管（MHPT），激光多普勒速度（MHPT），激光多普勒速度（LDV）和颗粒图像速度（PIV）在常规旋风分离器中的强烈湍流和旋流流动。分析并比较实验数据，以评估这些方法的精度水平。比较结果表明，这些测量技术一般彼此一致地同意旋风分离器中的平均速度。此外，校准的MHPT方法简单，测量量的差异不大。然而，随着新的和PIV技术可以详细提供流体流动特性，包括湍流参数甚至气体粒子两相流动并避免侵入流动模式的效果。

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