Journal ArticleDOI
Visualization study of gas–liquid two-phase flow patterns inside a three-stage rotodynamic multiphase pump
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TLDR
In this article, the authors investigated the gas-liquid two-phase flow patterns at the entry section and the impellers inside a three-stage rotodynamic multiphase pump designed by the authors.About:
This article is published in Experimental Thermal and Fluid Science.The article was published on 2016-01-01. It has received 102 citations till now. The article focuses on the topics: Two-phase flow & Open-channel flow.read more
Citations
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Journal ArticleDOI
Experimental study of gas-liquid two-phase flow patterns within centrifugal pumps impellers
William Monte Verde,Jorge Luiz Biazussi,Natache do Socorro Dias Arrifano Sassim,Antonio Carlos Bannwart +3 more
TL;DR: In this paper, high-speed imaging was used as a technique to visualize the flow inside a centrifugal pump impeller and to correlate the topological distribution of the phases of pump performance.
Journal ArticleDOI
Design Method of Controllable Blade Angle and Orthogonal Optimization of Pressure Rise for a Multiphase Pump
Ming Liu,Lei Tan,Shuliang Cao +2 more
TL;DR: In this paper, a hydraulic design method of controllable blade angle for rotodynamic multiphase pump with impeller and diffuser is proposed, where the distribution of blade angle along the meridional streamline is governed by the normalized fourth-order and first-order polynomial function.
Journal ArticleDOI
Development of numerical Eulerian-Eulerian models for simulating multiphase pumps
Jun Won Suh,Jun Won Suh,Jin-Woo Kim,Jin-Woo Kim,Young-Seok Choi,Young-Seok Choi,Jin-Hyuk Kim,Jin-Hyuk Kim,Won Gu Joo,Kyoung-Yong Lee +9 more
TL;DR: In this paper, a numerical analysis method that is used commercial CFD packages to evaluate the multiphase flow with high reliability and proposes a numerical method to investigate the effect of different GVFs on the flow characteristics.
Journal ArticleDOI
Energy efficiency analysis of steam ejector and electric vacuum pump for a turbine condenser air extraction system based on supervised machine learning modelling
TL;DR: In this paper, the authors compared the vapour ejector and electric vacuum pump power consumptions with machine learning algorithms by using real process data and presented some novelty guideline for the selection of an appropriate condenser vacuum pump system of a steam turbine power plant.
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Experimental investigation of flow patterns and external performance of a centrifugal pump that transports gas-liquid two-phase mixtures
TL;DR: In this paper, visualization experiments were performed to reveal the mechanism of two-phase flow inside a centrifugal pump, and the flow patterns in the impeller and volute can be classified into plug flow and stratified flow distinguished by the critical inlet gas volume fraction (IGVF).
References
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Journal ArticleDOI
A numerical and experimental study of the terminal velocity and shape of bubbles in viscous liquids
F. Raymond,Jean-Michel Rosant +1 more
TL;DR: In this article, an extensive comparison between numerical and experimental results for moderate deformed bubbles concerning their drag coefficient and deformation in the range (Re,We)=[1,100]×[0,5] Experiments were made in tap water/glycerol mixtures and the numerical model is derived under the surfactant free interface assumption.
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Characterization of a centrifugal pump impeller under two-phase flow conditions
TL;DR: In this article, the results of numerical simulations carried out in a centrifugal pump impeller of an electrical submersible pump conveying an air-water mixture were presented, including the impeller head and the relative flow angle at the outlet (β2) as a function of the liquid flow rate, and a sensibility analysis with regard to the Gas-Void Fraction and the bubble diameter was also included.
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Effects of Entrained Air on the Performance of a Centrifugal Pump : 1st Report, Performance and Flow Conditions
TL;DR: In this paper, a semi-open impeller pump with a transparent casing was employed and the behavior of the entrained air bubbles in the pump was observed, the impeller work and hydraulic loss of the pump, together with energy loss for air delivering were discussed.
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A Theoretical Study on Air Bubble Motion in a Centrifugal Pump Impeller
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Experimental investigation of the flow at the entrance of a rotodynamic multiphase pump by visualization
TL;DR: In this paper, a rotodynamic multiphase pump (MPP) was designed and installed in front of the pump, and the structure of the buffer tank and the scheme of openings on the central porous pipe were designed and presented.