Results 21 to 30 of about 736 (213)

Influence of Guide Vane Slope on Axial-Flow Hydraulic Performance and Internal Flow Characteristics

open access: yesEnergies, 2022
To comprehensively study the influence of the guide vane inlet slope on the axial-flow pump, eight groups of axial-flow pumps with different guide vane inlet slopes are designed and studied in this paper.
Yue Li   +3 more
doaj   +1 more source

Hemodynamic evaluation of pulsatile-flow generating device in left ventricular assist devices

open access: yesВестник трансплантологии и искусственных органов, 2023
Objective: to investigate the efficiency of a device that generates pulsatile flow during constant-speed axial-flow pump operation for use in left ventricular assist devices.Materials and methods.
A. S. Buchnev   +4 more
doaj   +1 more source

CFD-Based Flow Channel Optimization and Performance Prediction for a Conical Axial Maglev Blood Pump

open access: yesSensors, 2022
Ventricular assist devices or total artificial hearts can be used to save patients with heart failure when there are no donors available for heart transplantation.
Weibo Yang   +5 more
doaj   +1 more source

Investigation of the hydrodynamic characteristics of an axial flow pump system under special utilization conditions

open access: yesScientific Reports, 2022
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   +1 more source

Influence of Inlet Angle of Guide Vane on Hydraulic Performance of an Axial Flow Pump Based on CFD

open access: yesShock and Vibration, 2020
Axial flow pump has been widely used in hydraulic engineering, agriculture engineering, water supply and sewerage works, and shipbuilding industry. In order to improve the hydraulic performance of pump under off-design working conditions, the influence ...
Lei Xu   +5 more
doaj   +1 more source

CFD Numerical Simulation of the Complex Turbulent Flow Field in an Axial-Flow Water Pump

open access: yesAdvances in Mechanical Engineering, 2014
Further optimal design of an axial-flow water pump calls for a thorough recognition of the characteristics of the complex turbulent flow field in the pump, which is however extremely difficult to be measured using the up-to-date experimental techniques ...
Wan-You Li   +4 more
doaj   +1 more source

Numerical study on the hydrodynamic performance and internal flow of an axial-flow pump with various inlet flow angles

open access: yesScientific Reports, 2023
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   +1 more source

The Relationship Between Physical Activity and Left Ventricular Remodeling in Childhood Cancer Survivors Treated With Anthracyclines: A Cross‐Sectional Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Anthracycline‐related cardiac remodeling precedes heart failure in childhood cancer survivors. The objectives of this study were to determine the relationships between patient‐specific factors, moderate‐to‐vigorous physical activity (MVPA), and cardiac remodeling.
Hari K. Narayan   +15 more
wiley   +1 more source

Multi-parameter analysis of the effects on hydraulic performance and hemolysis of blood pump splitter blades

open access: yesAdvances in Mechanical Engineering, 2020
The splitter blade can effectively optimize pump performance, but there is still insufficient research in blood pumps that cover both hydraulic and hemolysis performance. Thus, the aim of this study was to investigate the effect of key factors related to
Zheqin Yu, Jianping Tan, Shuai Wang
doaj   +1 more source

Influence of Balance Hole Diameter on Leakage Flow of the Balance Chamber in a Centrifugal Pump

open access: yesShock and Vibration, 2021
The balancing holes in centrifugal pumps with seals mounted in both suction and discharge sides are one of the approaches used by pump manufacturers to reduce the axial thrust. The balance hole diameter directly affects the axial force of the centrifugal
Wei Dong   +5 more
doaj   +1 more source

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