Volume flow rate measurement in vertical oil-in-water pipe flow using electrical impedance tomography and a local probe
Li H; Wang M; Wu YX(吴应湘); Lucas G
2009
会议名称11th International Conference on multiphase flow in industrial plants
会议日期7th-10th September 2008
会议地点Palermo, Sicily
会议录名称Li H.Volume flow rate measurement in vertical oil-in-water pipe flow using electrical impedance tomography and a local probe.2009
摘要

This paper presents the use of a high performance dual-plane electrical impedance tomography (EIT) system and a local dual-sensor conductance probe to measure the
vertical upward co-current oil-in-water pipe flows.
Experiments were carried on a flow loop with a transparent 2.5 m long, 80 mm inner diameter test section using kerosene and tap water. The flow conditions were
predominantly of the dispersed type with the non-slip oil volume fraction of 9.1%, 16.7% and 23.1% respectively, and with two groups of different mixture velocities. A sensitivity coefficient back-projection (SBP) algorithm was adopted to reconstruct the flow distributions from the EIT measurement data, and then the oil in-situ volume fraction was calculated based on Maxwell relationship with temperature compensation. The oil velocity distribution was obtained using a pixel to pixel cross correlation method. A local intrusive conductance probe was adopted to supply a reference measurement of oil volume fraction and velocity profiles. The oil volume fraction and velocity distributions from the two techniques were
compared, and good agreement was found. A further calculation of the water velocity distributions and flowrates was implemented through the drift flux approach, and the results were analysed and discussed.

收录类别其他
语种英语
文献类型会议论文
条目标识符http://dspace.imech.ac.cn/handle/311007/45668
专题水动力学与海洋工程重点实验室(2009-2011)
推荐引用方式
GB/T 7714
Li H,Wang M,Wu YX,et al. Volume flow rate measurement in vertical oil-in-water pipe flow using electrical impedance tomography and a local probe[C],2009.
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