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CLC number: TB126

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Received: 2005-09-01

Revision Accepted: 2005-09-20

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Cited: 3

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Citations:  Bibtex RefMan EndNote GB/T7714

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Journal of Zhejiang University SCIENCE A 2005 Vol.6 No.12 P.1412-1415

http://doi.org/10.1631/jzus.2005.A1412


Measurement of oil volume fraction and velocity distributions in vertical oil-in-water flows using ERT and a local probe


Author(s):  Li Hua, Wang Mi, Wu Ying-xiang, Ma Yi-xin, Williams Richard

Affiliation(s):  Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China; more

Corresponding email(s):   hua.li.cn@gmail.com, m.wang@leeds.ac.uk

Key Words:  Volume fraction and velocity distributions, Oil-in-water flow, Electrical resistance tomography (ERT), Local probe


Li Hua, Wang Mi, Wu Ying-xiang, Ma Yi-xin, Williams Richard. Measurement of oil volume fraction and velocity distributions in vertical oil-in-water flows using ERT and a local probe[J]. Journal of Zhejiang University Science A, 2005, 6(12): 1412-1415.

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author="Li Hua, Wang Mi, Wu Ying-xiang, Ma Yi-xin, Williams Richard",
journal="Journal of Zhejiang University Science A",
volume="6",
number="12",
pages="1412-1415",
year="2005",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2005.A1412"
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%0 Journal Article
%T Measurement of oil volume fraction and velocity distributions in vertical oil-in-water flows using ERT and a local probe
%A Li Hua
%A Wang Mi
%A Wu Ying-xiang
%A Ma Yi-xin
%A Williams Richard
%J Journal of Zhejiang University SCIENCE A
%V 6
%N 12
%P 1412-1415
%@ 1673-565X
%D 2005
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2005.A1412

TY - JOUR
T1 - Measurement of oil volume fraction and velocity distributions in vertical oil-in-water flows using ERT and a local probe
A1 - Li Hua
A1 - Wang Mi
A1 - Wu Ying-xiang
A1 - Ma Yi-xin
A1 - Williams Richard
J0 - Journal of Zhejiang University Science A
VL - 6
IS - 12
SP - 1412
EP - 1415
%@ 1673-565X
Y1 - 2005
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2005.A1412


Abstract: 
This paper presents the use of a high performance dual-plane electrical resistance tomography (ERT) system and a local dual-sensor conductance probe to measure the vertical upward oil-in-water pipe flows in which the mean oil volume fraction is up to 23.1%. A sensitivity coefficient back-projection (SBP) algorithm was adopted to reconstruct the flow distributions and a cross correlation method was applied to obtain the oil velocity distributions. The oil volume fraction and velocity distributions obtained from both measurement techniques were compared and good agreement was found, which indicates that the ERT technique can be used to measure the low fraction oil-water flows. Finally, the factors affecting measurement precision were discussed.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

[1] Beck, M.S., Plaskowski, A., 1987. Cross Correlation Flow meters: Their Design and Application. Adam Hilger, Bristol.

[2] Dickin, F.J., Williams, R.A., Beck, M.S., 1993. Determination of composition and motion of multicomponent mixtures in process vessels using electrical impedance tomography-I. principles and process engineering applications. Chemical Engineering Science, 48:1883-1897.

[3] Lucas, G.P., Mishra, R., Panayotopoulos, N., 2004. Power law approximations to gas volume fraction and velocity profiles in low void fraction vertical gas-liquid flows. Flow Measurement and Instrumentation, 15:271-283.

[4] Ma, Y., Holliday, N., Dai, Y., Wang, M., Williams, R.A., Lucas, G.P., 2003. A High Performance Online Data Processing EIT System. Proceedings of 3rd World Congress on Industrial Process Tomography, Banff, Canada, p.27-32.

[5] Maxwell, J.C., 1881. A Treatise on Electricity and Magnetism. Clarendon Press, Oxford.

[6] Wang, M., Mann, R., Dickin, F.J., 1999. Electrical resistance tomographic sensing systems for industrial applications. Chem. Eng. Comm., 175:49-70.

[7] Wang, M., Yin, W., Holliday, N., 2002. A Highly adaptive electrical impedance sensing system for flow measurement. Measurement Science and Technology, 13:1884-1889.

[8] Wu, Y., Li, H., Wang, M., Williams, R.A., 2005. Characterization of air-water two-phase vertical flow by using electrical resistance imaging. Canadian Journal of Chemical Engineering, 83:37-41.

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