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Ways for Improvement of Reverse Axial Pumps [PDF]

Журнал інженерних наук, 2022
The article is devoted to a pilot study of the reverse-bladed pump. The characteristics of the reverse bladed pump are the identical parameters on flow, the head, power, energy efficiency on direct and the return operating modes (at rotation of a rotor ...
Mandryka A., Majid A. P., Ratushnyi O., Kulikov O., Sukhostavets D.   +4 more
doaj   +3 more sources

Comparison of the Shutdown Transitions of the Full-Flow Pump and Axial-Flow Pump

Journal of Marine Science and Engineering, 2023
In this study, a comparative analysis of the shutdown transitions of a full-flow pump and an axial-flow pump was carried out through numerical simulation and model tests.
Haifeng Jiao, Jilian Shan, Guorui Yang, Mengcheng Wang, Songshan Chen   +4 more
doaj   +3 more sources

Research on the Influence of Tip Clearance of Axial-Flow Pump on Energy Characteristics under Pump and Turbine Conditions

Machines, 2022
In order to study the influence of tip clearance on the performance and energy dissipation of the axial-flow pump and the axial-flow pump as a turbine, and find the location of high dissipation rate, this study took an axial-flow pump model as its ...
Yanjun Li, Qixu Lin, Fan Meng, Yunhao Zheng, Xiaotian Xu   +4 more
doaj   +3 more sources

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
doaj   +3 more sources

Analysis of flow loss characteristics of slanted axial-flow pump device based on entropy production theory

Royal Society Open Science, 2022
Slanted axial-flow pump devices are widely applied in urban water supply, irrigation and drainage engineering fields. The second law of thermodynamics is applied to investigate the flow loss characteristics of the 30° slanted axial-flow pump model ...
Fan Yang, Zhongbin Li, Wenzhu Hu, Chao Liu, Dongjin Jiang, Dongsheng Liu, Ahmed Nasr   +6 more
doaj   +3 more sources

Balancing axial force in centrifugal pumps with pump out vanes [PDF]

E3S Web of Conferences, 2019
Application of pump out vanes is one of the solutions to reduce hydraulic axial force generated during centrifugal pump operation. This article presents the cause of the occurrence of hydraulic axial force and method of calculating pressure distribution ...
Szlaga Marek
doaj   +2 more sources

Experimental Study on the Internal Pressure Pulsation Characteristics of a Bidirectional Axial Flow Pump Operating in Forward and Reverse Directions

Machines, 2022
A bidirectional axial flow pump can realize bidirectional pumping, which has a wide application prospect in coastal low-head pumping stations and water jet propulsion systems.
Xiaowen Zhang, Fangping Tang, Yueting Chen, Congbing Huang, Yujun Chen, Lin Wang, Lijian Shi   +6 more
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Control and Dynamic Characteristics Analysis for the Double-Compound Axial Piston Pump Based on Working Conditions

Machines, 2022
The periodic flow and pressure pulsation of the axial piston pump can lead to periodic vibration, noise, and even damage to various components in the hydraulic system.
Zhiyuan Sun, Qingliang Zeng, Lirong Wan, Hanzheng Dai   +3 more
doaj   +1 more source

Study on Inlet Flow Field Structure and End-Wall Effect of Axial Flow Pump Impeller under Design Condition

Energies, 2022
The existing experimental technology cannot accurately and quantitatively measure the flow field structure and the wall boundary layer displacement effect in the axial flow pump.
Yanlei Guo, Congxin Yang, Yan Wang, Tianzhi Lv, Sen Zhao   +4 more
doaj   +1 more source

Relationship between Axial Width and Flow Characteristics of Pump Chamber in Double Volute Centrifugal Pump

Xibei Gongye Daxue Xuebao, 2020
The axial width of pump chamber has a great influence on the flow characteristics of the pump chamber in the centrifugal pump. A single-stage single-suction double volute centrifugal pump with a semi-open impeller was selected as the object.

doaj   +1 more source