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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   +1 more source

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
doaj   +1 more source

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

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   +1 more source

Comparison of Saddle-Shaped Region of Head-Flow Curve between Axial-Flow Pump and Its Corresponding Axial-Flow Pump Device

Shock and Vibration, 2021
In engineering, the highest operating head of the pumping station is usually controlled to be slightly lower than the lowest saddle bottom head of the axial-flow pump.
Dongtao Ji, Weigang Lu, Linguang Lu, Lei Xu, Jun Liu, Wei Shi, Ye Zhu   +6 more
doaj   +1 more source

Erosion in Helico-Axial Pumps

Lubricants, 2023
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 ...
Rached Ben-Mansour, Hamza Raza, Zakria Toor   +2 more
openaire   +2 more sources

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
doaj   +1 more source