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Sensors 2019, 19(1), 193; https://doi.org/10.3390/s19010193

Multiple Wire-Mesh Sensors Applied to the Characterization of Two-Phase Flow inside a Cyclonic Flow Distribution System

1
Graduate Program in Electrical and Computer Engineering (CPGEI), Federal University of Technology-PR, Curitiba 80230-901, Brazil
2
Multiphase Flow Research Center (NUEM), Federal University of Technology-PR, Curitiba 80230-901, Brazil
3
Graduate Program in Mechanical and Materials Engineering (PPGEM), Federal University of Technology-PR, Curitiba 80230-901, Brazil
4
Petróleo Brasileiro S.A. (Petrobras), Rio de Janeiro 21941-915, Brazil
*
Author to whom correspondence should be addressed.
This paper is an extended version of our paper: César Yutaka Ofuchi, Eduardo N. dos Santos, Eduardo Henrique Eidt, Carolina Cimarelli, Paulo Henrique Santos, Marco José da Silva, Flávio Neves, Jr., Rigoberto E. M. Morales. Investigation of the Gas-Liquid Flow inside a Cyclonic Flow Distribution System Using Wire-Mesh Sensors. In Proceedings of the 9th World Congress on Industrial Process Tomography, Bath, UK, 2–6 September 2018.
Received: 25 November 2018 / Revised: 20 December 2018 / Accepted: 21 December 2018 / Published: 7 January 2019
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Abstract

Wire-mesh sensors are used to determine the phase fraction of gas–liquid two-phase flow in many industrial applications. In this paper, we report the use of the sensor to study the flow behavior inside an offshore oil and gas industry device for subsea phase separation. The study focused on the behavior of gas–liquid slug flow inside a flow distribution device with four outlets, which is part of the subsea phase separator system. The void fraction profile and the flow symmetry across the outlets were investigated using tomographic wire-mesh sensors and a camera. Results showed an ascendant liquid film in the cyclonic chamber with the gas phase at the center of the pipe generating a symmetrical flow. Dispersed bubbles coalesced into a gas vortex due to the centrifugal force inside the cyclonic chamber. The behavior favored the separation of smaller bubbles from the liquid bulk, which was an important parameter for gas-liquid separator sizing. The void fraction analysis of the outlets showed an even flow distribution with less than 10% difference, which was a satisfactorily result that may contribute to a reduction on the subsea gas–liquid separators size. From the outcomes of this study, detailed information regarding this type of flow distribution system was extracted. Thereby, wire-mesh sensors were successfully applied to investigate a new type of equipment for the offshore oil and gas industry. View Full-Text
Keywords: wire-mesh; flow distribution; subsea gas–liquid separation; two-phase flow; cyclonic chamber wire-mesh; flow distribution; subsea gas–liquid separation; two-phase flow; cyclonic chamber
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Ofuchi, C.Y.; Eidt, H.K.; Rodrigues, C.C.; Dos Santos, E.N.; Dos Santos, P.H.D.; Da Silva, M.J.; Neves, F., Jr.; Domingos, P.V.S.R.; Morales, R.E.M. Multiple Wire-Mesh Sensors Applied to the Characterization of Two-Phase Flow inside a Cyclonic Flow Distribution System. Sensors 2019, 19, 193.

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