Results 21 to 30 of about 278,773 (245)
Influence of Cutter Head on Cavitation of Non-Jammed Submerged Grinder Pump
Applied Sciences, 2022 For the investigation of the cavitation of non-jammed submersible grinder pumps, a GSP-22 model pump was numerically simulated based on CFX. ICEM-CFD was applied to a structured mesh for the flow components.
Rongsheng Zhu +4 more
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The Cavitation Nuclei Transient Characteristics of Lennard-Jones Fluid in Cavitation Inception
Polish Maritime Research, 2018 In the field of ocean engineering, cavitation is widespread, for the study of cavitation nuclei transient characteristics in cavitation inception, we applied theoretical analysis and molecular dynamics (MD) simulation to study Lennard-Jones (L-J) fluid ...
Qiang Fu +5 more
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Improvement of Intake Structures in a Two-Way Pumping Station with Experimental Analysis
Applied Sciences, 2020 Pumping stations are important regulation facilities in a water distribution system. Intake structures can generally have a great influence on the operational state of the pumping station.
Yanjun Li +4 more
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Mathematical models of gear rattle in Roots blower vacuum pumps [PDF]
, 2006 This paper is concerned with the modelling of gear rattle in Roots blower vacuum pumps. Analysis of experimental data reveals that the source of the noise and vibration problem is the backlash nonlinearity due to gear teeth losing and re-establishing ...
Wilson, RE +6 more
core +1 more source
Comprehensive Research on the Effects of Different Launch Conditions on Pump-jet Propulsor Performance [PDF]
Journal of Applied Fluid MechanicsThis paper compares the cavitation of a pump-jet propulsor under different launch conditions and discusses the effects of cavitation on the performance and noise of the pump-jet propulsor rotor blade.
Q. Fu, Y. Duan, W. Shi, H. Li, R. Zhu
doaj +1 more source
Applied Sciences, 2020 This paper takes a pump-turbine as the research subject and, based on the Computational Fluid Dynamics (CFD) numerical method and combined with test data, investigates the pressure fluctuation characteristics in the pump mode and analyzes the pressure ...
Ping Huang +4 more
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Dynamic Analysis of Cavitation Tip Vortex of Pump-Jet Propeller Based on DES
Applied Sciences, 2020 When a pump-jet propeller rotates at high speeds, a tip vortex is usually generated in the tip clearance region. This vortex interacts with the main channel fluid flow leading to the main energy loss of the rotor system.
Jianping Yuan +6 more
doaj +1 more source
Shock and Vibration, 2022 Through numerical simulations, this work analyzes the unsteady pressure pulsation characteristics in new type of dishwasher pump with double tongue volute and single tongue volute, under volute static and rotation conditions.
Jinfeng Zhang +5 more
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The monitoring of cavitation in centrifugal pumps based on the analysis of vibro-acoustic measurements [PDF]
Cavitation in centrifugal pumps causes damages to pump components and produces high levels of vibration and noise, which not only reduces pump performance but also consumes additional energy.
Gu, Fengshou +2 more
core +3 more sources
Mathematics, 2020 Rotor-stator interaction (RSI) in the centrifugal pump-as-turbine (PAT) is a significant source of high amplitude of the pressure pulsation and the flow-induced vibration, which is detrimental to the stable operation of PAT. It is therefore imperative to
Jian Xu +4 more
doaj +1 more source