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首页> 外文期刊>Advanced Powder Technology: The internation Journal of the Society of Powder Technology, Japan >Three-dimensional effects of wave-like flow in horizontal pipelines
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Three-dimensional effects of wave-like flow in horizontal pipelines

机译：水平管道中波浪状流动的三维效应

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Wave-like gas-solid flow in a horizontal pipe has been investigated experimentally.The aim of the investigation was to develop a non-intrusive measuring technique for monitoring the iransition from a dilute phase flow to wave-like flow and to measure the properties of wave-like flow.When a gas-solid mixture flows in a wave-like manner though the pipeline of a pneumatic conveying system the solids concentration varies,both axially and radially,with time.As a result,the pressure measured at any location will fluctuate and the difference between measuring points,both axially and radially,can be used to determine the nature of the flow.Previous workers have concentrated on individual pressure measurements and axial pressure differences.In this work the radial pressure difference has been examined.This has been compared with axial pressure measurements and those obtained using capacitance sensors.These techniques have been used to determine both wavelength and velocity.A three-dimensonal numerical model,which is based on the two-fluid theory,was also used to obtain a better understanding of the flow field characteristics.
机译：对水平管中的波状气固流进行了实验研究，研究的目的是开发一种非侵入式测量技术，以监测从稀相流到波状流的不清晰度并测量其特性。当气固混合物以波状方式通过气动输送系统的管道流动时，固体浓度在轴向和径向随时间变化。结果，在任何位置测得的压力都会波动的测量点在轴向和径向之间的差异可以用来确定流量的性质。以前的工作人员专注于各个压力的测量和轴向压力的差异。在这项工作中，已经研究了径向压力的差异。我们将其与轴向压力测量结果以及使用电容传感器获得的结果进行了比较。这些技术已被用于确定波长和速度。基于双流体理论的数值模型也被用来更好地了解流场特性。

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