Results 11 to 20 of about 736 (213)

Numerical study on the mechanism of fluid energy transfer in an axial flow pump impeller under the rotating coordinate system

Frontiers in Energy Research, 2023
It is a necessary condition to obtain the fluid movement law and energy transfer and loss mechanism in the impeller of the axial pump for achieving an efficient and accurate design of the axial flow pump.
Yanlei Guo, Yanlei Guo, Congxin Yang, Congxin Yang, Yingxiang Mo, Yingxiang Mo, Yan Wang, Tianzhi Lv, Tianzhi Lv, Sen Zhao, Sen Zhao   +10 more
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Flow mechanism and axial force distribution characteristics of multistage pump cavity

Science Progress, 2022
The gap leakage between the impeller ring leads to the change of the pump cavity flow characteristics, resulting in the uneven pressure distribution of shroud, which causes the axial force of the cavity to change. In this paper, the flow in the front and
Qian Chen, Yang Li Huan, Qi Zhi Peng, Yang Cong Xin, Niu Chen Hui   +4 more
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Numerical Analysis of Internal Flow in a Slanted Axial-flow Pump

Guan'gai paishui xuebao, 2021
【Background and objective】 Slanted axial-flow pump has the advantages of small excavation depth, stable flow pattern and high efficiency. It has been widely used in large and medium-sized low head pumping stations.
HU Wenzhu, TONG Daobin, LI Zhongbin, WANG Rui, YANG Fan   +4 more
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Investigation on Start-Up Characteristics of Large Axial Flow Pump Systems Considering the Influence of Auxiliary Safety Facilities

Machines, 2023
A large number of operation practices show that the reliability and stability of large axial flow pump systems will face significant challenges during the start-up process.
Xiaowen Zhang, Yuhang Jiang, Fangping Tang, Xijie Song, Yuxi Liu, Fan Yang, Lijian Shi   +6 more
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Comparative Analysis of Strength and Modal Characteristics of a Full Tubular Pump and an Axial Flow Pump Impellers Based on Fluid-Structure Interaction

Energies, 2021
Fluid-structure interaction (FSI) was used to determine the structural mechanical characteristics of full tubular and axial-flow pumps. The results showed that as the flow rate increases, the total deformation and equivalent stress are significantly ...
Lijian Shi, Jun Zhu, Li Wang, Shiji Chu, Fangping Tang, Yan Jin   +5 more
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Numerical and Experimental Investigation of Internal Flow Characteristics and Pressure Fluctuation in Inlet Passage of Axial Flow Pump under Deflection Flow Conditions

Energies, 2021
The deflection flow of inlet passage seriously affects the performance of axial flow pump devices, and reduces the operation efficiency and stability of pumping station systems.
Fan Yang, Zhongbin Li, Yao Yuan, Chao Liu, Yiqi Zhang, Yan Jin   +5 more
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Fluid Dynamic Characteristics and Flow Distribution ‎Structure Optimization of Axial Piston Pump Considering ‎Cavitation Bubble Evolution

Journal of Applied Fluid Mechanics, 2021
An axial piston pump can produce a serious cavitation phenomenon in the high- and low-pressure ‎transition process. Cavitation bubbles expand, compress, rebound and collapse when they enter the high-‎pressure oil drainage area.
Y. Pan, A. H. Chen, Z. N. Wang
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Behavior of axial thrust caused by intake sump vortices in a vertical mixed flow pump

Nihon Kikai Gakkai ronbunshu, 2017
Axial thrust forces acting on an impeller of a diffuser type mixed flow pump and the behavior of the axial thrust generated by the vortex occurrence in a pump intake sump were studied.
Yuji KANEMORI, Yasuo HANDA
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Novel study on the pressure pulsation of the axial piston machines with even number of pistons

The Journal of Engineering, 2020
Flow and pressure ripples of axial piston machines have received sustained attentions by researcher in flow power domain. Traditionally, almost all the axial piston pumps have been designed with odd number of pistons.
Junjie Zhou, Chongbo Jing, Qianqian Bao, Wei Wu   +3 more
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Effect of Axial Clearance on Hydraulic Performance of Multiphase Pump

Shiyou jixie, 2021
In order to study the influence of axial clearance of impeller and diffuser on the hydraulic performance of helical axial flow multiphase pump, taking single boosting unit of multiphase pump as the research object, selecting pure water as the ...
Shi Guangtai, Wang Binxin, Li Helin, Liu Zongku   +3 more
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