Multiphase Flow and Heat Transfer in Risers

Lígia Rafaely Barbosa Sarmento; G.H.S. Pereira Filho; Antônio Gilson Barbosa de Lima; Severino Rodrigues de Farias Neto; E.S. Barbosa; A. de Lima Cunha

doi:10.4028/www.scientific.net/DDF.348.3

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Multiphase Flow and Heat Transfer in Risers
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HomeDefect and Diffusion ForumDefect and Diffusion Forum Vol. 348Multiphase Flow and Heat Transfer in Risers

Multiphase Flow and Heat Transfer in Risers

Abstract:

Multiphase flows commonly occur in the production and transportation of oil, natural gas and water. In this type of flow, the phases can flow in different spatial configurations disposed inside the pipe, so called multiphase flow patterns. The identification of flow patterns and the determination of the pressure drop along the pipe lines for different volumetric flows are important parameters for management and control of production. In this sense, this work proposes to numerically investigate the non-isothermal multiphase flow of a stream of ultraviscous heavy oils containing water and natural gas in submerged risers (catenary) via numerical simulation (ANSYS CFX 11.0). Results of the pressure, volumetric fractions and temperature distributions are presented and analyzed. Numerical results show that the heat transfer was more pronounced when using the largest volume fraction of gas phases.

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Periodical:

Defect and Diffusion Forum (Volume 348)

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3-8

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.348.3

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Online since:

January 2014

Authors:

Lígia Rafaely Barbosa Sarmento, G.H.S. Pereira Filho, Antônio Gilson Barbosa de Lima, Severino Rodrigues de Farias Neto, E.S. Barbosa, A. de Lima Cunha

Keywords:

Heat Transfer, Heavy Oil, Multiphase Flow, Numerical Simulation, Pipeline

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References

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