IMECH-IR  > 力学所知识产出(1956-2008)
Characterization of gas-water flow using electrical resistance imaging
Wang M; Ma Y; Williams RA; Wu YX(吴应湘); Li D; Li H; Zheng ZC(郑之初)
Source PublicationInternational Conference on Multiphase: Extending the Boundaries of Flow Assurance
2003
Conference Name11th International Conference on Multiphase 03: Extending the Boundaries of Flow Assurance
Conference DateJune 11, 2003 - June 13, 2003
Conference PlaceSan Remo, Italy
AbstractThis paper presents an impedance image based method, which is known as electrical resistance tomography (ERT), for characterization of gas-water two-phase flow in a 40m horizontal flow loop. An ERT sensor based on conductive ring technique is used to overcome the problem of measurement saturation caused by electrodes loosing electrical contact with conductive liquid, as it often occurs in stratified flow and slug or plug flow. In previous study, data implementation was constrained by the limited data collection speed and insufficient auxiliary sensing information. The quality of impedance images was also decayed due to the use of a linear back-projection algorithm. In order to gather sufficient information for the implementation of flow characteristics particularly flow pattern recognition and air cavity velocity, a fast data collection strategy was applied to a dual-plane ERT sensor and an iterative algorithm was used for image reconstruction. Results, in respect to flow patterns and velocity maps, are reported.
KeywordElectrical Resistance Tomography Gas-water Two Phase Flow Liquid Films Slugs
ISBN1855980487
Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60272
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
Wang M,Ma Y,Williams RA,et al. Characterization of gas-water flow using electrical resistance imaging[C],2003.
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