Results 1 to 10 of about 21,430 (117)

Research on Pressure Pulsation Characteristics of Gerotor Pump for Active Vibration Damping System

open access: yesIEEE Access, 2019
High response, stable operation, small volume active vibration damping system and other intelligent hydraulic equipment have become the inevitable trend of future development.
Wenbin Cao   +4 more
doaj   +3 more sources

Experimental investigation of pressure pulsation induced by the floor-attached vortex in an axial flow pump

open access: yesAdvances in Mechanical Engineering, 2019
The pressure pulsation test in an axial flow pump with and without the floor-attached vortex was performed. Pressure sensors were mounted on the impeller inlet section and impeller outlet section and guide vane section outlet of the axial flow pump.
Xijie Song, Chao Liu
doaj   +2 more sources

Design and Characteristic Analysis of a New Type of Hydraulic Pulsation Suppressor [PDF]

open access: yesE3S Web of Conferences, 2021
In order to decrease the pressure pulsation of high-pressure hydraulic system and speed up the process of high-pressure hydraulic system, a new type of hydraulic pulsation suppressor is designed.
Yuan Jun   +6 more
doaj   +1 more source

Simulation and Experimental Analysis of Pressure Pulsation Characteristics of Pump Source Fluid

open access: yesApplied Sciences, 2021
The output flow pulsation characteristics of the hydraulic pump due to the structural characteristics may cause pump source fluid pressure pulsation and even cause the equipment to vibrate, which will affect the life and working reliability of the ...
Junzhe Lin   +5 more
doaj   +1 more source

Research Status, Critical Technologies, and Development Trends of Hydraulic Pressure Pulsation Attenuator

open access: yesChinese Journal of Mechanical Engineering, 2021
Hydraulic pumps are a positive displacement pump whose working principle causes inherent output flow pulsation. Flow pulsation produces pressure pulsation when encountering liquid resistance.
Yan Wang   +4 more
doaj   +1 more source

A Study on the Cavitation and Pressure Pulsation Characteristics in the Impeller of an LNG Submerged Pump

open access: yesMachines, 2021
Based on CFD analysis technology, this paper studies the cavitation performance of an LNG submerged pump and the pressure pulsation characteristics under cavitation excitation.
Wei Li   +7 more
doaj   +1 more source

Experimental Investigation on the Effect of the Staggered Impeller on the Unsteady Pressure Pulsations Characteristic in a Pump

open access: yesEnergies, 2022
High−energy pressure pulsation induced by rotor−stator interaction (RSI) is the primary source of flow−induced vibration noise in the pump, affecting the pump’s stability and system operation. In order to find an effective method to suppress the pressure
Dan Ni   +4 more
doaj   +1 more source

Pressure Distribution on the Inner Wall of the Volute Casing of a Centrifugal Pump

open access: yesScience and Technology of Nuclear Installations, 2022
In order to grasp the distribution characteristics of the pressure field on the inner wall of the volute casing of an atypical open impeller centrifugal pump, the instantaneous pressure at different operating conditions was experimentally measured under ...
Yu-Liang Zhang   +5 more
doaj   +1 more source

Investigation of Unsteady Pressure Pulsations of Reactor Coolant Pump Passage under Flow Coast-down

open access: yesMachines, 2023
In order to obtain the pressure pulsations of a reactor coolant pump during flow coast-down conditions, the time-domain characteristics of the flow passage under different times of flow coast-down were calculated by numerical calculation.
Daoxing Ye   +5 more
doaj   +1 more source

Numerical Study on Internal flow Field Dynamic Performance of Scramjet [PDF]

open access: yesMATEC Web of Conferences, 2019
The pressure pulsation caused by the combustion of the combustion chamber of the scramjet engine has a great influence on the flow and performance of the inlet.
Gao Feng, Zhao Jie, Chen Feng Li
doaj   +1 more source

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