Numerical study on the hydrodynamic performance and internal flow of an axial-flow pump with various inlet flow angles [PDF]
In this study, numerical simulation was employed to predict the performance and internal flow characteristics of the inlet of an axial-flow pump by assigning an absolute flow angle to the inlet guide vane (IGV) trailing-edge flow.
Yong-Jin Son +5 more
doaj +2 more sources
Investigation of the hydrodynamic characteristics of an axial flow pump system under special utilization conditions [PDF]
In actual operation, axial flow pump stations are often used for various special purposes to meet changing needs. However, because the hydrodynamic characteristics of axial flow pump systems are still unclear when used for special purposes, there are ...
Xiaowen Zhang, Fangping Tang
doaj +2 more sources
Energy loss evaluation of axial flow pump systems in reverse power generation operations based on entropy production theory [PDF]
The use of existing large pumping station equipment for upstream residual water reverse power generation is an unrealized yet valuable renewable energy project.
Xiaowen Zhang, Fangping Tang
doaj +2 more sources
Experimental study and numerical simulation of internal flow dissipation mechanism of an axial-flow pump under different design parameters [PDF]
This research uses CFD (computational fluid dynamics) to simulate an axial-flow pump and analyzes its internal flow dissipation. The results show that under different operating conditions, with increasing tip cascade density, the pump head gradually ...
Lijian Shi +7 more
doaj +2 more sources
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 +10 more
doaj +1 more source
Optimal Design and Fish-Passing Performance Analysis of a Fish-Friendly Axial Flow Pump
In this paper, the parameters of a prototype runner of an axial flow pump are optimized by using the immersion boundary–lattice Boltzmann numerical method based on a large-eddy simulation (LES-IB-LBM).
Chunxia Yang +5 more
doaj +1 more source
Flow mechanism and axial force distribution characteristics of multistage pump cavity
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 +4 more
doaj +1 more source
Numerical Analysis of Internal Flow in a Slanted Axial-flow Pump
【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 +4 more
doaj +1 more source
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 +6 more
doaj +1 more source
Axial-Flow Pump with Enhanced Cavitation Erosion Resistance
Axial-flow pumps, in addition to providing high anti-cavitation properties, must have high anti-erosion properties to ensure the required lifetime of the pump.
Aleksandr Zharkovskii +5 more
doaj +1 more source

