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Journal articles on the topic 'Multiphase pumps'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Li, Huichuang, Wenwu Zhang, Liwei Hu, Baoshan Zhu, and Fujun Wang. "Studies on Flow Characteristics of Gas–Liquid Multiphase Pumps Applied in Petroleum Transportation Engineering—A Review." Energies 16, no. 17 (2023): 6292. http://dx.doi.org/10.3390/en16176292.

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Flow and phase separation in gas–liquid multiphase pumps is easy to occur, which deteriorates their performance and mixed transportability. Many research achievements have been made in the experiment, CFD simulation and performance improvement of multiphase pumps. However, there are many challenges for the test technology, accurate numerical model development and gas–liquid flow control. This paper is mainly aimed at critically reviewing various technologies for experimental observation, flow calculation and analysis, and the optimization design of gas–liquid multiphase pumps. In this regard,

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2

Suh, Jun-Won, Jin-Hyuk Kim, Young-Seok Choi, Won-Gu Joo, and Kyoung-Yong Lee. "A study on numerical optimization and performance verification of multiphase pump for offshore plant." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 231, no. 5 (2017): 382–97. http://dx.doi.org/10.1177/0957650917702263.

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Multiphase pumps are core equipment for offshore plant industry. They are utilized in diverse areas. According to a report about the tendency of multiphase pumps for offshore plant, a helico-axial pump is the most preferred. A helico-axial pump with advanced technologies is widely known to have large handling capacity and operability even at high GVF ranges. However, its disadvantage is that its mechanical efficiency is lower than other multiphase pumps. Because of this, a numerical optimization was performed in this study to enhance the hydraulic performance of multiphase pumps. Before numeri

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3

Ji, Leilei, Xinrui He, Wei Li, et al. "Research Progress of Advanced Design Method, Numerical Simulation, and Experimental Technology of Pumps in Deep-Sea Resource Exploitation." Water 16, no. 13 (2024): 1881. http://dx.doi.org/10.3390/w16131881.

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Amid the escalating global demand for raw materials, the gradual exhaustion of terrestrial mineral resources, and the rise in extraction costs and energy consumption, the development of deep-sea mineral resources has become a focal point of international interest. The pipeline lifting mining system, distinguished by its superior mining efficiency and minimized environmental impact, now accounts for over 50% of the total energy consumption in mining operations. Serving as the “heart” of this system, the deep-sea lifting pump’s comprehensive performance (high pressure tolerance, non-clogging fea

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4

Tang, Manqi, Guangtai Shi, Wenjuan Lv, Xiaodong Peng, and Zongliu Huang. "Effect of Flow on the Energy Conversion Characteristics of Multiphase Pumps Based on Energy Transport Theory." Water 15, no. 23 (2023): 4188. http://dx.doi.org/10.3390/w15234188.

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Multiphase pumps operate under different flow conditions with different work performance. In order to reveal the energy conversion regulations in multiphase pumps under different flows, this paper presents an analysis of the effects of different flows on the pressure propulsion power, Lamb vector dispersion, and vortex enstrophy dissipation in the pressurization unit of a multiphase pump based on energy transport theory. It is found that at different flows, the pressure propulsion power near the impeller inlet decreases sharply, the pressure propulsion power is mainly located in the first half

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Deng, Yuxuan, Yanna Li, Jing Xu, Chunyan Kuang, and Yanli Zhang. "The Influence of Blade Tip Clearance on the Flow Field Characteristics of the Gas–Liquid Multiphase Pump." Processes 11, no. 11 (2023): 3170. http://dx.doi.org/10.3390/pr11113170.

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Gas–liquid multiphase pumps are critical transportation devices in the petroleum and chemical engineering industries, and improving their conveyance efficiency is crucial. This study investigates the influence of blade tip clearance variations on the flow characteristics within a multiphase pump. Numerical simulations were conducted using Eulerian two-phase and SST k-ω turbulence models with four distinct tip clearance sizes (0 mm, 0.3 mm, 0.6 mm, and 0.9 mm). The performance curve, tip leakage flow (TLF), and internal gas distribution were subjected to analysis. The results indicate that the

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Ben-Mansour, Rached, Hamza Raza, and Zakria Toor. "Erosion in Helico-Axial Pumps." Lubricants 11, no. 4 (2023): 153. http://dx.doi.org/10.3390/lubricants11040153.

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With recent advancements in the petroleum industry, the need for multiphase pumps to transport multiphase products, such as the product of oil, water, and natural gas, arises along with their challenges. A helico-axial multiphase pump should be capable of converting fluid kinetic energy into pressure by avoiding gas–liquid separation and the gas-locking phenomenon, enabling smooth pump operation at higher gas volume fractions. In this paper, erosion on a helico-axial pump is evaluated at different flow conditions using sand particles mixed with water. A very important practical finding of this

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7

Xiao, Yexiang, Zhonghua Gui, Xuesong Li, Sijia Tao, Guangtai Shi, and Chunwei Gu. "Study on Distribution Law of Gas Phase and Cavitation in the Pressurization Unit of Helical Axial Flow Multiphase Pump." Journal of Marine Science and Engineering 10, no. 11 (2022): 1795. http://dx.doi.org/10.3390/jmse10111795.

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Due to the irregular change of gas void fraction (GVF) in multiphase pumps, the pressure distribution in the pump is often uneven, which leads to the formation of low-pressure area and thus the occurrence of cavitation. In order to study the gas phase and cavitation distribution in the impeller region of a multiphase pump under different cavitation stages and GVF conditions, this study used numerical calculations as the main method and experimental verification as a secondary method to investigate the cavitation phenomenon in the pump under different stages and GVF conditions. The results show

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8

Lobsinger, Thomas, Timm Hieronymus, Hubert Schwarze, and Gunther Brenner. "A CFD-Based Comparison of Different Positive Displacement Pumps for Application in Future Automatic Transmission Systems." Energies 14, no. 9 (2021): 2501. http://dx.doi.org/10.3390/en14092501.

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The efficiency requirements for hydraulic pumps applied in automatic transmissions in future generations of automobiles will increase continuously. In addition, the pumps must be able to cope with multiphase flows to a certain extent. Given this background, a balanced vane pump (BVP), an internal gear pump (IGP) and a three-dimensional geared tumbling multi chamber (TMC) pump are analyzed and compared by a computational fluid dynamics (CFD) approach with ANSYS CFX and TwinMesh. Furthermore, test bench measurements are conducted to obtain experimental data to validate the numerical results. The

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9

Zhou, Juping, Wei Han, Rennian Li, Xiaoning Ma, Haojie Wang, and Wangxu Li. "Flow Control in Multiphase Pumps Based on Separated Trailing Edge Flap." Processes 11, no. 11 (2023): 3066. http://dx.doi.org/10.3390/pr11113066.

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In developing and transporting significant oil fields in deep-sea environments, multiphase pumps are considered crucial energy conversion equipment. Ensuring their safe, efficient, and stable operation is currently a primary focus of research. The intermittent aggregation of the gas phase at the trailing edge flap of the impeller blades in multiphase pumps can lead to periodic and significant fluctuations in flow rate and outlet pressure, posing a threat to the overall operational safety of the pump system. Based on aerodynamic principles, this paper presents the design of a separate trailing

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10

Rohlfing, Gerhard. "Condition monitoring of multiphase pumps." World Pumps 2010, no. 4 (2010): 34–39. http://dx.doi.org/10.1016/s0262-1762(10)70127-9.

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11

Meerakaviyad, Deepak, Tony Keville, Atma Prakash, Abdullah Sajid, and Faik Hamad. "Recent progress in multiphase flow simulation through multiphase pumps." Heat Transfer 49, no. 5 (2020): 2849–67. http://dx.doi.org/10.1002/htj.21749.

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12

Wang, Dian Jun, and Xiang Zhen Yan. "Analysis of Fluid Flow in Screw Pump Based on ANSYS." Applied Mechanics and Materials 121-126 (October 2011): 3140–44. http://dx.doi.org/10.4028/www.scientific.net/amm.121-126.3140.

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In order to complete the numerical simulation on internal flow and operating characteristics of down hole multiphase pump compress unit, establishing perfect finite element model, the three-dimensional turbulent current fields inside the impellers of compression unit for down hole multiphase pumps were simulated by using ANSYS. The calculation of multiphase flow is based on the standard k-ε turbulent current model. Reference information for the improvement of the pump can be obtained by the analysis of the flow of gas-oil in the channel of pump. Based on the finite method, we analyzed several

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13

Trulev, A. V., S. F. Timushev, and V. O. Lomakin. "Features of improving the design of bladed impellers for operation on gas-liquid mixtures." Proceedings of Higher Educational Institutions. Маchine Building, no. 11 (752) (November 2022): 58–68. http://dx.doi.org/10.18698/0536-1044-2022-11-58-68.

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The article analyzes the flow gas-liquid mixture features inthe flow part of the impellers of multiphase stages pumping gas-liquid mixtures. By analogy with the coefficient specific speed of a pump for a single-phase liquid and the cavitation specific speed, a specific speed for multiphase pump stages is proposed. It is shown that the operation of blade pumps on multiphase media depends on the characteristics of the flow of the working fluid in all parts of the flow path, including the conditions at the inlet to the impeller, the flow in the blade cascade of the impeller, the guide vane, the o

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14

Zhang, Jinya, Yongjiang Li, K. Vafai, and Yongxue Zhang. "An investigation of the flow characteristics of multistage multiphase pumps." International Journal of Numerical Methods for Heat & Fluid Flow 28, no. 3 (2018): 763–84. http://dx.doi.org/10.1108/hff-06-2017-0252.

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Purpose Numerical simulations of a multistage multiphase pump at different operating conditions were performed to study the variational characteristics of flow parameters for each impeller. The simulation results were verified against the experimented results. Because of the compressibility of the gas, inlet volume flow rate qi and inlet flow angle ßi for each impeller decrease gradually from the first to the last stage. The volume flow rate at the entrance of the pump q, rotational speed n and inlet gas volume fraction (IGVF) affect the characteristics of qi and ßi. Design/methodology/approac

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15

Ali, Asad, Jianping Yuan, Fanjie Deng, et al. "Research Progress and Prospects of Multi-Stage Centrifugal Pump Capability for Handling Gas–Liquid Multiphase Flow: Comparison and Empirical Model Validation." Energies 14, no. 4 (2021): 896. http://dx.doi.org/10.3390/en14040896.

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The working capability of multi-stage pumps, such as electrical submersible pumps (ESPs) handling multiphase flow, has always been a big challenge for petroleum industries. The major problem is associated with the agglomeration of gas bubbles inside ESP-impellers, causing pump performance degradation ranging from mild to severe deterioration (surging/gas pockets). Previous literature showed that the two-phase performance of ESPs is greatly affected by gas involvement, rotational speed, bubble size, and fluid viscosity. Thus, it is necessary to understand which parameter is actually accountable

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16

Yang, Jiahang, Huichuang Li, Ao Liang, Liwei Hu, and Wenwu Zhang. "Numerical analysis of performance and internal flow characteristics of a gas-liquid multiphase rotodynamic pump." Journal of Physics: Conference Series 2854, no. 1 (2024): 012027. http://dx.doi.org/10.1088/1742-6596/2854/1/012027.

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Abstract Inlet Gas Void Fraction (IGVF) and rotating speed are key parameters influencing the flow characteristics of gas-liquid multiphase pumps. To explore the influence of these two factors on the flow characteristics of gas-liquid multiphase rotodynamic pumps, CFD simulations were carried out based on the Euler two-fluid model to analyze the flow characteristics in an axial-flow pump at three different rotating speeds (1450 r/min, 2200 r/min, 2950 r/min) with different IGVFs. The numerical results indicate that the pump efficiency and head are first increased and then decreased with the in

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17

Shahid, Salman, Sharul Sham Dol, Abdul Qader Hasan, Omar Mustafa Kassem, Mohamed S. Gadala, and Mohd Shiraz Aris. "A Review on Electrical Submersible Pump Head Losses and Methods to Analyze Two-Phase Performance Curve." WSEAS TRANSACTIONS ON FLUID MECHANICS 16 (February 9, 2021): 14–31. http://dx.doi.org/10.37394/232013.2021.16.3.

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Electrical submersible pumps (ESP) are referred to as a pump classification whose applications arebased upon transporting fluids from submersible elevations towards a fixed pipeline. Specific ESP pumps areutilized in offshore oil and gas facilities that are frequently employed in transport of Liquefied Natural Gas(LNG) terminals. Transport of LNG is a multiphase process that causes operational challenges for ESP due topresence of air pockets and air bubbles; presenting difficulties, such as cavitation and degradation to pumpcomponents. This performance degradation causes an economic risk to co

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18

Han, Wei, Xing Li, Youliang Su, Min Su, Rennian Li, and Yu Zhao. "Effect of Thickness Ratio Coefficient on the Mixture Transportation Characteristics of Helical–Axial Multiphase Pumps." Applied Sciences 10, no. 1 (2020): 345. http://dx.doi.org/10.3390/app10010345.

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With the decrease of oil and gas resources on land, increased attention has been paid to multiphase oil–gas exploitation and the transportation technology represented by oil–gas multiphase pumps. The helical–axial multiphase pump has become the focus of research on oil and gas mixed transmission technology due to its relatively high operating efficiency and adaptability to a wide range of gas volume fraction changes. In order to investigate the thickness variation in the air foil from the hub to the shroud of the blade on the mixture transportation characteristics of the gas–liquid two-phase f

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19

Cancan, Peng, Zhang Xiaodong, Gao Zhiguang, Wu Ju, and Gong Yan. "Research on cooperative optimization of multiphase pump impeller and diffuser based on adaptive refined response surface method." Advances in Mechanical Engineering 14, no. 1 (2022): 168781402110729. http://dx.doi.org/10.1177/16878140211072944.

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Multiphase pumps play an important role in the exploitation of natural gas hydrate. Compared with ordinary pumps, they can handle fluids with higher gas volume fraction (GVF). Therefore, it is important to improve the performance of the pump under high GVF. A model pump is designed based on the design theory of axial flow pump and centrifugal pump inducer. The hydraulic performance of the model pump is verified by numerical simulation and experiment. The Sparse Grid method is applied to the design of experiment (DOE), and three different adaptive refined response surface methods (RSM) are appl

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20

Zhang, Wenwu, Zhiyi Yu, Yongjiang Li, Jianxin Yang, and Qing Ye. "Numerical analysis of pressure fluctuation in a multiphase rotodynamic pump with air–water two-phase flow." Oil & Gas Science and Technology – Revue d’IFP Energies nouvelles 74 (2019): 18. http://dx.doi.org/10.2516/ogst/2018101.

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Pressure fluctuation in single-phase pumps has been studied widely, while less attention has been paid to research on multiphase pumps that are commonly used in the petroleum chemical industry. Therefore, this study investigates the pressure fluctuation for a multiphase rotodynamic pump handling air–water two-phase flow. Simulations based on the Euler two-fluid model were carried out using ANSYS_CFX16.0 at different Inlet Gas Void Fractions (IGVFs) and various flow rate values. Under conditions of IGVF = 0% (pure water) and IGVF = 15%, the accuracy of the numerical method was tested by compari

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21

Trulev, A. V., S. F. Timushev, V. O. Lomakin, and E. M. Shmidt. "The use of a multiphase specific speed for the analysis and improvement of the designs of blade machines for working on gas-liquid mixtures." Proceedings of Higher Educational Institutions. Маchine Building, no. 8 (761) (August 2023): 96–108. http://dx.doi.org/10.18698/0536-1044-2023-8-96-108.

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To increase the oil recovery factor, the bottom-hole pressure is reduced, which is accompanied by an increase in the free gas and mechanical impurities content at the pump inlet. As a rule, the serial equipment is not providing reliable and efficient operation in such conditions. In oil producing wells with the high free gas content, efficiency of the multiphase modules blade stages could be increased by correct selection of the serial equipment and introduction of the new design solutions. The paper analyzes specifics of the gas-liquid mixture flow in the flow path of the blade multiphase sta

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22

Shi, Jianwei, Sijia Tao, Guangtai Shi, and Wenwu Song. "Effect of Gas Volume Fraction on the Energy Loss Characteristics of Multiphase Pumps at Each Cavitation Stage." Water 13, no. 16 (2021): 2293. http://dx.doi.org/10.3390/w13162293.

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In the process of conveying a medium, when the inlet pressure is low, the cavitation phenomenon easily occurs in the pump, especially in the gas–liquid two-phase working condition. The occurrence of the cavitation phenomenon has a great impact on the performance of the multiphase pump. In this paper, the SST (sheard stress transport) k-ω turbulence model and ZGB (Zwart–Gerber–Belamri) cavitation model were used to simulate the helical axial flow multiphase pump (hereinafter referred to as the multiphase pump), and the experimental verification was carried out. The effect of gas volume fraction

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23

Liu, Wenhui, Xinjie Lai, Qiwei Zhou, Chenbin Zhu, and Xuelong Yang. "CFD study on the effect of particle properties on the performance of annular jet pump." Journal of Physics: Conference Series 2707, no. 1 (2024): 012038. http://dx.doi.org/10.1088/1742-6596/2707/1/012038.

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Abstract The annular jet pump is a type of fluid mechanical pump that operates by exchanging momentum with the fluid. Annular jet pumps possess distinctive advantages in the transportation of solid particles. However, the efficiency of these pumps is significantly impacted by both the physical properties of the particles and their initial concentration, thereby limiting their practical applications. In this paper, by combining other scholars’ designs of annular jet pumps, the effects of different physical densities and different initial concentrations of particles on the flow field, pressure a

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24

Lobsinger, Thomas, Timm Hieronymus, and Gunther Brenner. "A CFD Investigation of a 2D Balanced Vane Pump Focusing on Leakage Flows and Multiphase Flow Characteristics." Energies 13, no. 13 (2020): 3314. http://dx.doi.org/10.3390/en13133314.

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Vane pumps are often applied in automatic transmission systems of vehicles. Future applications require the oil pumps to be more efficient and to be able to handle multiphase flow pumping situations to a certain extend. To fulfill these requirements, efficient development tools are needed. Therefore, a less demanding computational 2D model of a fixed-type balanced vane pump was derived and numerically analyzed with the commercial computational fluid dynamics (CFD) software ANSYS CFX. The meshing of the rotating parts was done with TwinMesh, using a moving mesh approach. At first, a mesh conver

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Asfora, Leonardo, Adriano dos Santos, and Lindemberg de Jesus Nogueira Duarte. "Modeling multiphase jet pumps for gas compression." Journal of Petroleum Science and Engineering 173 (February 2019): 844–52. http://dx.doi.org/10.1016/j.petrol.2018.10.036.

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26

Deng, Yuxuan, Xiaodong Wang, Jing Xu, Yanna Li, Yanli Zhang, and Chunyan Kuang. "Gas–Liquid Interaction Characteristics in a Multiphase Pump under Different Working Conditions." Processes 10, no. 10 (2022): 1977. http://dx.doi.org/10.3390/pr10101977.

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In this study, we analyze gas–liquid interaction characteristics using a heterogeneous two-fluid model to investigate the influence of interphase force on multiphase pump performance. Two-phase transport platforms are used in oil and gas development to eliminate the need for separation equipment and reduce costs. Full-channel numerical calculations were conducted for an axial-flow multiphase pump based on different inlet gas void fractions (IGVFs) and flow rates. The results indicate that the interaction force of each phase is relatively large in the rotor–stator interference region, and the d

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27

Shi, Yi, and Hongwu Zhu. "Proposal of a stage-by-stage design method and its application on a multi-stage multiphase pump based on numerical simulations." Advances in Mechanical Engineering 13, no. 1 (2021): 168781402098731. http://dx.doi.org/10.1177/1687814020987317.

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Rotodynamic multiphase pumps are usually equipped with many compression units to provide sufficient boosting pressure for the transportation of production fluid in gas oil field. It is a challenge to maintain pump performance while flow parameters in each stage vary due to the compressibility of gas-liquid phase. In this article, a stage-by-stage design method is proposed to improve the boosting capability of a multiphase pump. Variations of flow parameters in each stage are investigated based on computational fluid dynamics (CFD) numerical simulation. Available methods to determinate main imp

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Li, Chenhao, Xingqi Luo, Jianjun Feng, Guojun Zhu, and Yangang Xue. "Effects of Gas-Volume Fractions on the External Characteristics and Pressure Fluctuation of a Multistage Mixed-Transport Pump." Applied Sciences 10, no. 2 (2020): 582. http://dx.doi.org/10.3390/app10020582.

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In the petroleum industry, multiphase transport pumps are a crucial technology for petroleum extraction. Therefore, the pressure fluctuation and internal-flow characteristics of multiphase transport pumps with different inlet-gas-volume fractions (IGVFs) have become an important research topic. Studying the pressure fluctuation and its effects on the performance of mixed-transport pumps under different IGVFs is significant for improving the running stability of pumps. In this work, steady and transient flow with different IGVFs was solved using the Navier–Stokes equation applied to a structure

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Carpenter, Chris. "Reassessment of Multiphase Pumps for Marginal-Field Development." Journal of Petroleum Technology 66, no. 08 (2014): 91–93. http://dx.doi.org/10.2118/0814-0091-jpt.

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Asuaje, Miguel, Jens Toteff, and Ricardo Noguera. "Evaluation of a Jet-Pump for the Improvement of Oil-Water Flow in Pipeline Loops Using CFD Tools." E3S Web of Conferences 321 (2021): 02012. http://dx.doi.org/10.1051/e3sconf/202132102012.

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Despite their low efficiency compared with centrifugal pumps, jet pumps are highly reliable, robust equipment with modest maintenance, ideal for many applications, mainly in the oil & gas industry. Jet pumps are conventionally used to draw fluid from a storage tank in the petrochemical industry or as an artificial lift system to produce oil from a reservoir using energy from the primary fluid. The trunk lines in oil production systems can experience an unfavourable phenomenon due to the fluid's low velocities. In the case of transporting a heavy oil-water mixture with low flow velocities,

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Bois, Gerard. "State of the Art on Two-Phase Non-Miscible Liquid/Gas Flow Transport Analysis in Radial Centrifugal Pumps-Part A: General Considerations on Two-Phase Liquid/Gas Flows in Centrifugal Pumps." International Journal of Turbomachinery, Propulsion and Power 8, no. 2 (2023): 16. http://dx.doi.org/10.3390/ijtpp8020016.

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Gas–liquid mixtures are present in numerous industrial applications, such as in the process industry, oil production and transport with natural gas, deep-sea extraction, and irrigation. Any pump may have to carry multiphase flows. However, the present document is related to non-miscible liquid/gas flow transport analysis in centrifugal pumps because which topic can be a more challenging task compared with axial and mixed flow machines due to specific body force and buoyancy actions and large density differences between the phases. The present document first introduces the main usual gas–liquid

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Shi, Guangtai, Xi Yang, Binyan Li, Hongqiang Chai, and Hao Qin. "Research on Particle Motion Characteristics in a Spiral-Vane-Type Multiphase Pump Based on CFD-DEM." Journal of Marine Science and Engineering 13, no. 5 (2025): 845. https://doi.org/10.3390/jmse13050845.

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In oil–gas mixed transportation using spiral-vane-type multiphase pumps, high sand content often causes wear on flow-passing components. To reveal the motion patterns of particles, a three-stage spiral-vane-type multiphase pump was selected as the research subject. A visualization test bench was constructed, and the pump’s performance curve was obtained by experimental measurements. High-speed photography was used to capture the flow process of a single particle within the pump, and CFD-DEM was used to study the motion characteristics of four particle sizes (0.5 mm, 1 mm, 1.5 mm, and 2 mm). Th

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Peng, Cancan, Xiaodong Zhang, Yongqiang Chen, Yan Gong, Hedong Li, and Shaoxiong Huang. "A Method for the Integrated Optimal Design of Multiphase Pump Based on the Sparse Grid Model." Processes 10, no. 7 (2022): 1317. http://dx.doi.org/10.3390/pr10071317.

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Multiphase pumps are used as an important tool for natural gas hydrate extraction owing to their excellent gas–liquid mixing and transport properties. This paper proposes an adaptive response surface-based integrated optimization design method. A model pump is designed based on the axial flow pump design theory. The model pump is numerically simulated and analyzed to obtain its performance parameters. Then the structural and performance parameters of the pump are parameterized to establish a closed-loop input–output system. Based on this closed-loop system, a sensitivity analysis is performed

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Azevedo, A., R. Etchepare, and J. Rubio. "Raw water clarification by flotation with microbubbles and nanobubbles generated with a multiphase pump." Water Science and Technology 75, no. 10 (2017): 2342–49. http://dx.doi.org/10.2166/wst.2017.113.

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Raw water clarification by flotation was studied by injecting air into a centrifugal multiphase pump to generate microbubbles (MBs) and nanobubbles (NBs). Measurements of gas dispersion parameters were performed and optimal conditions were obtained using a pump pressure of 4 bar. Values showed a bubble Sauter diameter of 75 μm, an air holdup of 1.2%, a bubble surface area flux of 34 s−1 and an NB concentration of 1 × 108 NBs mL−1 (measuring 220 nm). Then, a study compared flotation with bubbles formed with the multiphase pump (F-MP) to lamellar settling at the clarification stage of a water tr

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35

Yan, Di, Qian Tang, Ahmed Kovacevic, Sham Rane, and Linqing Pei. "Rotor profile design and numerical analysis of 2–3 type multiphase twin-screw pumps." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 232, no. 2 (2017): 186–202. http://dx.doi.org/10.1177/0954408917691798.

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Increasing demands for high-performance handling of fluids in oil and gas as well as other applications require improvements of efficiency and reliability of screw pumps. Rotor profile plays the key role in the performance of such machines. This paper analyses difference in performance of 2–3 lobe combination of twin-screw pumps with different rotor profiles. A-type profile formed of involute–cycloid curves and D-type formed of cycloid curves are typical representatives for 2–3 type screw pumps. The investigation is performed by use of a full 3-D computational fluid dynamics analysis based on

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Cao, F., T. Gao, J. Jiao, T. Pan, and Z. Xing. "Study of a screw rotor with different stocks and leads for a twin-screw multiphase pump." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 223, no. 11 (2009): 2637–45. http://dx.doi.org/10.1243/09544062jmes1476.

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Rotor profile generation and geometry characteristics play a dominant role in developing twin-screw multi-phase pumps. The aim of this work is to present mathematical procedures to calculate screw rotor profile generation, design rotor cutter tools, and rotor geometry characteristics with given stocks for twin-screw multi-phase pumps. Analyses of the profile generation of a screw rotor for a multi-phase pump are carried out. The resulting rotor profile with different stocks is developed on the basis of the calculation of the forming cutter tool profile. An iso-height contour plot is presented

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Trulev, A. V., S. F. Timushev, V. O. Lomakin, A. V. Klipov, and E. M. Shmidt. "Improving the multiphase stages flow path using the multiphase coefficient of the discrete particles relative speed." Proceedings of Higher Educational Institutions. Маchine Building, no. 9 (762) (September 2023): 72–87. http://dx.doi.org/10.18698/0536-1044-2023-9-72-87.

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Equations are derived to design and develop the multiphase stages flow path in a diagonal form using the dimensionless multiphase coefficient of the discrete particles relative speed. An analysis was made of the formation fluid flow containing free gas bubbles in the serial multiphase stages flow path of axial and axis-diagonal types in comparison with the developed diagonal-type stages and with inclined-cylindrical and helical blades. It is shown that, compared to the axial and axis-diagonal type stages, multiphase stages of the diagonal type with the inclined-cylindrical and helical blades h

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Ekeberg, Ina, Pierre-Jean Bibet, Halfdan Knudsen, Øyvind Reimers, and Erik Torbergsen. "Sand management and erosion prediction in subsea multiphase pumps." Journal of the Global Power and Propulsion Society 6 (March 7, 2022): 24–38. http://dx.doi.org/10.33737/jgpps/145322.

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Over the past ten years, subsea multiphase pumping has accomplished extraordinary technology breakthroughs. The drivers are the oil and gas companies’ requirements for deeper and more remote subsea production satellites along with producing more challenging fluids. The multiphase pump (MPP) technology has kept evolving, breaking records in terms of shaft power, design pressure, differential pressure, and high viscosity capabilities. In addition, the current reliability data shows 86.5% probability of 5 years failure-free operation. Today, a main challenge is the ability to withstand sand erosi

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Wang, Chenwei, Guangtai Shi, Yao Liu, Haigang Wen, and Wenjuan Lv. "Study on the Movement and Distribution Patterns of Sand Particles in a Vane-Type Multiphase Pump." Journal of Marine Science and Engineering 13, no. 6 (2025): 1034. https://doi.org/10.3390/jmse13061034.

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In oilfield operations, produced fluids consist of complex mixtures including heavy oil, sand, and water. Variations in sand particle parameters and operational conditions can significantly impact the performance of multiphase pumps. To elucidate the movement patterns of sand particles within a vane-type multiphase pump, this study employs the Discrete Phase Model (DPM) to investigate the effects of different sand particle parameters and operational conditions on the internal flow characteristics. The study found that: sand particle diameter, flow rate, rotational speed, and oil content signif

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de Azevedo, Victor W., João A. de Lima, and Emilio E. Paladino. "A 3D Transient Model for the Multiphase Flow in a Progressing-Cavity Pump." SPE Journal 21, no. 04 (2016): 1458–69. http://dx.doi.org/10.2118/178924-pa.

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Summary This paper presents the development of a computational-fluid-dynamics (CFD) model for the 3D transient two-phase flow within a progressing-cavity pump (PCP). The model implementation was only possible because of the meticulous mesh-generation and mesh-motion algorithm, previously published by the authors, which is briefly described herein. In this algorithm, a structured mesh was generated by defining all nodes’ positions and connectivities, for each rotor position by means of FORTRAN subroutines, which were embodied into ANSYS CFX software. The model is capable of predicting accuratel

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Mokhov, M. A., Yu A. Sazonov, V. V. Mulenko, et al. "Development of Pumping Equipment for Oil and Gas Production in Complicated Conditions." Journal of Computational and Theoretical Nanoscience 16, no. 11 (2019): 4573–78. http://dx.doi.org/10.1166/jctn.2019.8357.

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The research is aimed at the development of new scientific principles for the creation of special pumping equipment for the extraction of oil and gas in complicated conditions. In many cases, the complicated operating conditions of the pump are determined by the high gas content and high content of mechanical impurities in the multiphase flow. In the course of scientific research, new methods of designing hydraulic machines were tested, including the use of additive technologies. In the study of labyrinth pumps, the issues were considered concerning the features of the operating process with i

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Ma, Yi, Minjia Zhang, and Huashuai Luo. "Numerical and experimental studies of gas–liquid flow and pressure drop in multiphase pump valves." Science Progress 103, no. 3 (2020): 003685042094088. http://dx.doi.org/10.1177/0036850420940885.

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A numerical and experimental study was carried out to investigate the two-phase flow fields of the typical three valves used in the multiphase pumps. Under the gas volume fraction conditions in the range of 0%–100%, the three-dimensional steady and dynamic two-phase flow characteristics, pressure drops, and their multipliers of the ball valve, cone valve, and disk valve were studied, respectively, using Eulerian–Eulerian approach and dynamic grid technique in ANSYS FLUENT. In addition, a valve test system was built to verify the simulated results by the particle image velocimetry and pressure

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Yu, Zhiyi, Baoshan Zhu, and Shuliang Cao. "Interphase force analysis for air-water bubbly flow in a multiphase rotodynamic pump." Engineering Computations 32, no. 7 (2015): 2166–80. http://dx.doi.org/10.1108/ec-10-2014-0210.

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Purpose – Interphase forces between the gas and liquid phases determine many phenomena in bubbly flow. For the interphase forces in a multiphase rotodynamic pump, the magnitude analysis was carried out within the framework of two-fluid model. The purpose of this paper is to clarify the relative importance of various interphase forces on the mixed transport process, and the findings herein will be a base for the future study on the mechanism of the gas blockage phenomenon, which is the most challenging issue for such pumps. Design/methodology/approach – Four types of interphase forces, i.e. dra

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Bybee, Karen. "Application of Multiphase Pumps in a Remote Abu Dhabi Oilfield." Journal of Petroleum Technology 55, no. 12 (2003): 32–33. http://dx.doi.org/10.2118/1203-0032-jpt.

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Suh, Jun-Won, Jin-Woo Kim, Young-Seok Choi, Jin-Hyuk Kim, Won-Gu Joo, and Kyoung-Yong Lee. "Development of numerical Eulerian-Eulerian models for simulating multiphase pumps." Journal of Petroleum Science and Engineering 162 (March 2018): 588–601. http://dx.doi.org/10.1016/j.petrol.2017.10.073.

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Shallouf, Mohammad, Wael H. Ahmed, and Sherif Abdou. "Engineered-airlift pumps for aquaculture applications using multiphase flow analysis." Aquacultural Engineering 87 (November 2019): 101998. http://dx.doi.org/10.1016/j.aquaeng.2019.101998.

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Xu, Y., S. L. Cao, M. Reclari, T. Wakai, and T. Sano. "Multiphase performance and internal flow pattern of helico-axial pumps." IOP Conference Series: Earth and Environmental Science 240 (March 27, 2019): 032029. http://dx.doi.org/10.1088/1755-1315/240/3/032029.

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Unterluggauer, Julian, Adam Buruzs, Manuel Schieder, Verena Sulzgruber, Michael Lauermann, and Christoph Reichl. "Design of Ejectors for High-Temperature Heat Pumps Using Numerical Simulations." Processes 13, no. 1 (2025): 285. https://doi.org/10.3390/pr13010285.

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Decarbonization of industrial processes by using high-temperature heat pumps is one of the most important pillars towards sustainable energy goals. Most heat pumps are based on the standard Carnot cycle which includes an expansion valve leading to irreversible dissipation and energetic losses. Especially for high-temperature applications, these losses increase significantly, and a replacement of the conventional throttle valve with an ejector, which is an alternative expansion device, for partial recovery of some of the pressure lost during the expansion, is investigated in this paper. However

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Shobowale, Kafayat Oluwatoyin, Fakhruldin Mohd Hashim, and Hilmi bin Hussien. "Subsea Processing Equipment: A Strategy for Effective Assessment and Selection." Applied Mechanics and Materials 773-774 (July 2015): 1335–39. http://dx.doi.org/10.4028/www.scientific.net/amm.773-774.1335.

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Subsea processing equipment’s are deployed in Deepwater / subsea marginal field, fields having challenging reservoir characteristics (which includes: high viscosity, high GVF) in order to economically recover oil and gas. They includes: multiphase booster pump, subsea separation and compression equipment’s. These equipment’s faces a high level of uncertainty as regards well and reservoir conditions, putting the equipment in an unfavorable condition covering a wide and variable range of processes including transient Flow, variable oil flow, fluid pressures, temperature and gas compression effec

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Machfud, Adam Aliyya, Reka Adiyasa Cahyapala, and Ardhi Febrian Nurrahman. "STUDI COMPUTATIONAL FLUID DYNAMICS (CFD) UNTUK MENDIAGNOSA KEGAGALAN POMPA INJEKSI AIR." Jurnal Rekayasa Mesin 16, no. 1 (2025): 507–20. https://doi.org/10.21776/jrm.v16i1.2131.

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Multistage centrifugal pumps are the critical equipment in the water injection system in oil and gas processing facilities but often fail due to abrasive and corrosive fluids. This research utilized the Computational Fluid Dynamics (CFD) approach to analyze the effect of sand particle size, produced water characteristics, and cavitation on the performance of three-stages API 610 BB3 water injection pumps. CFD simulations were performed by varying the sand particle size (10 μm, 100 μm, 100 μm) and produced water characteristics from three locations. The standard k-ε turbulence model and the Eul

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