Results 11 to 20 of about 278,773 (245)

Influence of Dynamic and Static Interference on the Internal Flow and Vibration and Noise Characteristics of Marine Centrifugal Pump [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2023
To improve the overall performance of marine centrifugal pumps (MCPs), their vibration and noise performances were optimized using the hydraulic design of the volute casing parameters considering a constant hydraulic performance at a specific speed of 66.
Z. Cheng, Q. Ma, H. Liu, L. Dong, Q. Pan
doaj   +1 more source

Study on Different Parameters of the Self-Excited Oscillation Nozzle for Cavitation Effect under Multiphase Mixed Transport Conditions

open access: yesJournal of Marine Science and Engineering, 2021
The pollution problems of water resources have affected the ecology of the Earth, especially the ecological environment of the oceans. In order to find a cheaper and cleaner organic wastewater treatment method and explore the effect of geometrical ...
Fujian Zhao   +5 more
doaj   +1 more source

The Investigation of Pump Performance and Evaluation over the Internet [PDF]

open access: yes, 2010
Selection and configuration are widely met tasks in design; this is an example of a web-based selection/configuration tool with embedded optimisation.
Webb, DC, Darbyshire, K, Waterworth, G
core   +7 more sources

Enteral feeding pumps: efficacy, safety, and patient acceptability [PDF]

open access: yes, 2014
Helen White, Linsey King Nutrition and Dietetic Group, School of Health and Wellbeing, Faculty Health and Social Science, Leeds Metropolitan University, Leeds, United Kingdom Abstract: Enteral feeding is a long established practice across pediatric and ...
White H, King L, White, H, King, L
core   +1 more source

Numerical Analysis of Single-Particle Motion Using CFD-DEM in Varying-Curvature Elbows

open access: yesJournal of Marine Science and Engineering, 2022
Centrifugal pumps are the critical components in deep-sea mining. In order to investigate the particle motion in the curved channel of the impeller, three different types of curvature conform to blade profile to simplify the impeller design of pumps.
Chao Ning   +4 more
doaj   +1 more source

Evolution of Wake Vortices and Energy Characteristics of Mixed-flow Pumps Under Stall Conditions [PDF]

open access: yesJournal of Applied Fluid Mechanics
Unsteady wake dynamics and associated energy dissipation mechanisms in mixed-flow pumps remain critical challenges detrimentally affecting operational stability and efficiency, particularly under off-design operating conditions.
Y. Chen, W. Li, L. Ji, S. Li, Y. Long
doaj   +1 more source

Intelligent Diagnosis towards Hydraulic Axial Piston Pump Using a Novel Integrated CNN Model

open access: yesSensors, 2020
As a critical part of a hydraulic transmission system, a hydraulic axial piston pump plays an indispensable role in many significant industrial fields.
Shengnan Tang   +3 more
doaj   +1 more source

Rotor strength and critical speed analysis of a vertical long shaft fire pump connected with different shaft lengths

open access: yesScientific Reports, 2022
The vertical long shaft fire pump (VLSFP) is mainly used in fire-fighting places far away from land and lacking large amounts of water supply. The paper selected the XBC18-178-240LC3 model of VLSFP as the research object.
Haiqin Song, Jinfeng Zhang, Fan Zhang
doaj   +1 more source

An Injected Fertigation Device

open access: yesGuan'gai paishui xuebao, 2023
【Background and objective】 Fertigation has the advantage of delivering water and fertilizers simultaneously into the root zones to maximize their uptake by crops. It has seen a rapid application in China.
LI Hong   +4 more
doaj   +1 more source

Geometrical Optimization of Pump-As-Turbine (PAT) Impellers for Enhancing Energy Efficiency with 1-D Theory

open access: yesEnergies, 2020
This paper presents a multi-objective optimization strategy for pump-as-turbines (PAT), which relies on one-dimensional theory and analysis of geometrical parameters.
Longyan Wang   +3 more
doaj   +1 more source

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