Results 241 to 250 of about 41,321 (274)
Some of the next articles are maybe not open access.
Acoustical Control of External Gear Pumps by Intensity Measuring Techniques
Noise Control Engineering Journal, 1990The increasing use of external gear pumps in hydraulic applications makes noise a critical problem. In this viw it is very importanto to make available measurement and analysis techniques able to evaluate each design option in terms of cost to benefit ratio, enhancing the product optimization.
CARLETTI E, VECCHI I
openaire +1 more source
Research and Optimization of Designs of External Gear Pumps
Material and Mechanical Engineering TechnologyGear hydraulic machines are a type of volumetric hydraulic machines that are widely used in various industries. Their main purpose is to convert mechanical rotational energy into hydraulic energy (pumps) or vice versa (hydraulic motors). The performance of gear hydraulic machines depends on tribological properties such as hardness, wear
Alexandra Sergeevna Berg +2 more
openaire +1 more source
Effect of Nanoscale Additives on External Gear Pump Performance
Volume 1: Symposia, Parts A, B and C, 2009In this study, the effect of ultrafine graphite and multi-walled carbon nanotube (CNT) additives on the performance of an external gear pump was investigated. Colloidal suspensions of each additive were created in ethanol with concentrations varying from 200 ppm to 1550 ppm, low enough that there was no significant change in the viscosity of the ...
Philip J. Martorana +3 more
openaire +1 more source
Numerical Analysis of External Gear Pumps Including Cavitation
Journal of Fluids Engineering, 2012Hydraulic machines are faced with increasingly severe performance requirements. The need to design smaller and more powerful machines rotating at higher speeds in order to provide increasing efficiencies has to face a major limitation: cavitation. The problem is inherently three-dimensional, due to the axial clearances, the relief and circumferential ...
D. del Campo +4 more
openaire +1 more source
Three-dimensional model of an external gear pump with an experimental evaluation of the flow ripple
, 2020A three-dimensional model of an external gear pump and a new application of an algorithm for the measurement of the unsteady flow rate in hydraulic pipes are presented.
A. Corvaglia +3 more
semanticscholar +1 more source
The Flow Rate Characteristics of External Gear Pump for EHPS
2013 4th International Conference on Intelligent Systems, Modelling and Simulation, 2013EHPS(Electro-Hydraulic Power Steering) system generates the steering operation force from the electric motor connected directly to the oil pump. When developing the steering system, the final specification of steering system is determined through the field test and the tuning process of the several times.
null Ji-Hye Kim, null Sung-Gaun Kim
openaire +1 more source
New Methods of Reducing Noise in External Gear Pumps
SAE Technical Paper Series, 1980<div class="htmlview paragraph">The noise from external gear pumps has been significantly reduced by a new design which consists of two sets of gears, half the width of a standard gear, and offset about 1/2 pitch. The new pump makes use of a housing which is externally basically the same as a standard pump.
John Hobbs, Hans-Juergen Fricke
openaire +1 more source
An Investigation of External Gear Pump Efficiency and Stribeck Values
SAE Technical Paper Series, 2012<div class="section abstract"><div class="htmlview paragraph">This paper presents an experimental study of external gear pump efficiency based upon an analysis of the Stribeck values. The volumetric, mechanical, and overall efficiencies of a variety of external gear pumps were measured under steady state conditions.
Paul W. Michael +2 more
openaire +1 more source
Numerical Analysis of Standard - Unstandard Gears for an External Gear Pumps
International Journal of Fluid Machinery and Systems, 2021Ahmed Mustaffa Saleem +2 more
openaire +1 more source
Modelling and Simulation of External Gear Pumps and Motors
2008In this paper a lumped parameter model for the numerical simulation of the dynamic behaviour of external gear pumps and motors is presented. The model is developed in AMESim® environment, combining the use of AMESim® libraries of components and a self-made library developed in C++ code.
ZARDIN, Barbara, BORGHI, Massimo
openaire +1 more source