Numerical Simulation of a Gas-Liquid Centrifugal Pump under Different Inlet Gas Volume Fraction Conditions

Yan Sina; Luo Xingqi; Feng Jianjun; Zhu Guojun; Zhang Lefu; Chen Senlin

doi:10.5293/IJFMS.2019.12.1.056

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자료유형: 학술저널

저자정보: Yan Sina (Xi’an University of Technology) Luo Xingqi (Xi’an University of Technology) Feng Jianjun (Xi’an University of Technology) Zhu Guojun (Xi’an University of Technology) Zhang Lefu (Xi’an University of Technology) Chen Senlin (Xi’an University of Technology)

저널정보: 한국유체기계학회 International Journal of Fluid Machinery and Systems International Journal of Fluid Machinery and Systems Vol.12 No.1

발행연도: 2019.3

수록면: 56 - 63 (8page)

DOI: 10.5293/IJFMS.2019.12.1.056

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In order to study the influence of inlet gas volume fraction (IGVF) on performance of a gas-liquid centrifugal pump, three-dimensional turbulent flow of a single-stage gas-liquid centrifugal pump has been simulated by using computational fluid dynamics (CFD). Both steady and unsteady simulations have been conducted for different inlet gas volume fraction conditions of the pump. The gas phase distribution, the internal flow field and pressure field of the pump were obtained with inhomogeneous two-fluid model. The result showed that many gas accumulation zones accompanied vortices appears in the impeller as IGVF increases, and surge would occur as IGVF reaches a certain value. The change of IGVF would change the magnitude and direction of the impeller radial force.

#centrifugal pump #inlet gas volume fraction #gas-liquid two phase flow #CFD #performance

참고문헌 (10)

참고문헌 신청

Minemura, K. / 1993 / Three-Dimensional Calculation of Air-Water Two-Phase Flow in Centrifugal Pump Impeller Based on a Bubbly Flow Model / Journal of Fluids Engineering 15(4):766~771

Zhu, J. J. / 2017 / Experimental Study and Mechanistic Modeling of Pressure Surging in Electrical Submersible Pump / Journal of Natural Gas Science and Engineering 45:625~636

Caridad, J. / 2008 / Characterization of a Centrifugal Pump Impeller under Two-Phase Flow Conditions / Journal of Petroleum Science and Engineering 63:18~22

Pak, E. T. / 1998 / Performance and Pressure Distribution Changes in a Centrifugal Pump under Two-Phase Flow / Journal of Power and Energy 212:165~171

Zhu, J. J. / 2006 / Mechanistic Modeling and Numerical Simulation of In-Situ Gas Void Fraction inside ESP Impeller / Journal of Natural Gas Science and Engineering 36:144~154

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