Multi-objective optimization of the hydrodynamic performance of the second stage of a multi-phase pump

Jun Won Suh, Jin Woo Kim, Young Seok Choi, Jin Hyuk Kim, Won-Gu Joo, Kyoung Yong Lee

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Most multi-phase pumps used in crude oil production have been developed to satisfy certain pressure specifications. In the design of these pumps, the flow characteristics of the posterior stage are different from those of the prior stage. For this reason, the design of the second stage needs to be supplemented. To optimize performance in this stage, multi-objective optimization to simultaneously increase pressure and efficiency is reported in this article. Flow analyses of the single and multiple phases of the multi-phase pump were conducted by solving three-dimensional steady Reynolds-averaged Navier-Stokes equations. For the numerical optimization, two design variables related to the blade inlet angle were selected. The impeller and the diffuser blades were optimized using a systematic optimization technique combined with a central composite method and a hybrid multi-objective evolutionary algorithm coupled with a surrogate model. The selected optimal model yielded better hydrodynamic performance than the base model, and reasons for this are investigated through internal flow field analysis.

Original languageEnglish
Article number1334
JournalEnergies
Volume10
Issue number9
DOIs
Publication statusPublished - 2017 Jan 1

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Multiobjective optimization
Multi-objective Optimization
Pump
Hydrodynamics
Pumps
Blade
Hybrid Evolutionary Algorithm
Internal Flow
Surrogate Model
Diffuser
Reynolds Equation
Numerical Optimization
Multi-objective Evolutionary Algorithm
Evolutionary algorithms
Optimization Techniques
Navier Stokes equations
Flow Field
Flow fields
Navier-Stokes Equations
Crude oil

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Energy (miscellaneous)
  • Control and Optimization
  • Electrical and Electronic Engineering

Cite this

Suh, Jun Won ; Kim, Jin Woo ; Choi, Young Seok ; Kim, Jin Hyuk ; Joo, Won-Gu ; Lee, Kyoung Yong. / Multi-objective optimization of the hydrodynamic performance of the second stage of a multi-phase pump. In: Energies. 2017 ; Vol. 10, No. 9.
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Multi-objective optimization of the hydrodynamic performance of the second stage of a multi-phase pump. / Suh, Jun Won; Kim, Jin Woo; Choi, Young Seok; Kim, Jin Hyuk; Joo, Won-Gu; Lee, Kyoung Yong.

In: Energies, Vol. 10, No. 9, 1334, 01.01.2017.

Research output: Contribution to journalArticle

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AU - Suh, Jun Won

AU - Kim, Jin Woo

AU - Choi, Young Seok

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AU - Lee, Kyoung Yong

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