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Title:
Volume flow rate measurement in vertical oil-in-water pipe flow using electrical impedance tomography and a local probe
Author: Li Hua(李华) ; Wang M ; Wu YX(吴应湘) ; Lucas G
Issued Date: 2009
Conference Name: 11th International Conference on multiphase flow in industrial plants
Conference Date: 7th-10th September 2008
Conference Place: Palermo, Sicily
English Abstract:

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.

Indexed Type: 其他
Source: Li H.Volume flow rate measurement in vertical oil-in-water pipe flow using electrical impedance tomography and a local probe.2009
Language: 英语
Content Type: 会议论文
URI: http://dspace.imech.ac.cn/handle/311007/45668
Appears in Collections:水动力学与海洋工程重点实验室(2009-2011)_会议论文

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Recommended Citation:
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]. 见:11th International Conference on multiphase flow in industrial plants. Palermo, Sicily. 7th-10th September 2008
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