Results 41 to 50 of about 18,474 (162)

Influence of guide vanes on the flow fields and performance of axial pump under unsteady flow conditions: Numerical study

open access: yesJournal of Mechanical Engineering and Sciences, 2020
Influence of different guide vanes on structural of flow field and axial pump performance under unsteady flow is carried out using numerical method. A three-dimensional axial flow pump model is numerically simulated using computational fluid dynamics ...
Ahmed Ramadhan Al-Obaidi
doaj   +1 more source

Development of rear‐impeller axial flow blood pump for realization of axial flow blood pump installed at aortic valve position [PDF]

open access: yesArtificial Organs, 2019
AbstractIn this study, rear‐impeller axial flow blood pumps (RIAFBP) were developed to realize a trans‐valve axial ventricular assist device (VAD) which consists of the latter blood pump and a polymer monomembrane aortic valve, such as the jellyfish valve.
Eiji Okamoto   +5 more
openaire   +3 more sources

Research on bionic pulsation of axial flow blood pump based on LSTM

open access: yes四川大学学报. 自然科学版, 2022
The micro axial blood pump is one of the most commonly used ventricular assist devices in clinical practice. The axial flow blood pump bionic pulsation device was built to solve the problem that the constant flow assistance does not meet the ...
LUO Yao-Jun, HU Xiao-Bing, WEI Shang-Yun
doaj  

Analysis of internal flow characteristics and structure optimization of vertical submersible axial flow pump device

open access: yesAdvances in Mechanical Engineering, 2022
In order to investigate the internal flow characteristics and hydraulic stability of vertical submersible pump station in forward and reverse operation, the steady and unsteady three-dimensional numerical simulation of vertical submersible axial-flow ...
Fan Yang   +5 more
doaj   +1 more source

INDIRECT METHODS OF MEASURING FLОW RATE AND PRESSURE DROP OF ROTARY BLOOD PUMPS

open access: yesВестник трансплантологии и искусственных органов, 2015
The article describes complex software to calculate the main parameters of the axial pump (pressure drop and flow rate) on the basis of an analysis of its technical characteristics (current consumption and pump speed).
G. P. Itkin   +3 more
doaj   +1 more source

Investigating the temporal-spatial evolution mechanism of axial forces in centrifugal pump impellers under varying operating conditions using dynamic mode decomposition [PDF]

open access: yesAIP Advances
The centrifugal pump is an important component of pumped storage power stations, but the axial force on the impeller significantly affects their stability.
Jiaming Xu   +3 more
doaj   +1 more source

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

open access: yesXibei 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

Influence of Exit Setting Angle of Guide Vane on Bias Flow in Outlet Passage of Slanted Axial Flow Pump System

open access: yesJournal of Marine Science and Engineering
A slanted axial-flow pump is extensively applied in coastal pumping stations; however, severe bias flow within the outlet passage will result in unstable operation and low efficiency of the slanted axial flow pump system.
Lei Xu   +6 more
doaj   +1 more source

Miniaturization of a Magnetically Levitated Axial Flow Blood Pump

open access: yesArtificial Organs, 2010
AbstractThis article introduces a unique miniaturization process of a magnetically levitated axial flow blood pump from a functional prototype to a pump suitable for animal trials. Through COMSOL three‐dimensional finite element analysis and experimental verification, the hybrid magnetic bearings of the pump have been miniaturized, the axial spacing ...
Shanbao, Cheng   +4 more
openaire   +3 more sources

Using left ventricular assist devices in advanced heart failure patients

open access: yesJournal of Community Hospital Internal Medicine Perspectives, 2018
Advanced Heart Failure (AHF) is a complex syndrome that affects the physiology of the heart to maintain efficient blood circulation resulting in multiorgan failure and, eventually, death.
Syed Raza Shah   +4 more
doaj   +1 more source

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