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An approach of the hydropower: advantages and impacts. A review
(Sciencedomain International, 2021-06)
Article
Open AccessThe present review shows a perspective of hydropower development, a renewable source that has a global installed capacity of 1308 GW with 9000 stations around the world. The document showed the advantages and the impacts ... -
Model of the floating bearing bushing movement in an external gear pump and the relation to its parameterization
(2021-12-18)
Article
Open AccessThis article presents the modeling, simulation and experimental validation of the movementof the floating bearing bushing in an external gear pump. As a starting point, a complete pumpparameterization was carried out through ... -
Multi-point-of-view energy loss analysis in a refuse truck hydraulic system
(2021-05-09)
Article
Open AccessIn recent years, much research has focused on reducing the power consumption of mobile hydraulic machines due to rising fuel costs, regulations on combustion engine emissions and the need to reduce the size and weight of ... -
Parameterization, modeling, and validation in real conditions of an external gear pump
(2021-03-11)
Article
Open AccessThis article presents a methodology for predicting the fluid dynamic behavior of a gear pump over its operating range. Complete pump parameterization was carried out through standard tests, and these parameters were used ... -
Simulation of hydraulic cylinder cushioning
(2021-01-02)
Article
Open AccessThe internal cushioning systems of hydraulic linear actuators avoid mechanical shocks at the end of their stroke. The design where the piston with perimeter grooves regulates the flow by standing in front of the outlet ... -
Discharge coefficients of a heavy suspension nozzle
(MDPI, 2021-03-15)
Article
Open AccessThe suspensions used in heavy vehicles often consist of several oil and two gas chambers. In order to perform an analytical study of the mass flow transferred between two gas chambers separated by a nozzle, and when ... -
Tracking intracellular forces and mechanical property changes in mouse one-cell embryo development
(2020-05-25)
Article
Open AccessCells comprise mechanically active matter that governs their functionality, but intracellular mechanics are difficult to study directly and are poorly understood. However, injected nanodevices open up opportunities to ... -
Numerical simulation of a supersonic ejector for vacuum generation with explicit and implicit solver in openfoam
(2019-09-17)
Article
Open AccessSupersonic ejectors are used extensively in all kind of applications: compression of refrigerants in cooling systems, pumping of volatile fluids or in vacuum generation. In vacuum generation, also known as zero-secondary ... -
A review of gerotor technology in hydraulic machines
(2019-06-24)
Article
Open AccessOver the years, numerous investigations have established the gerotor fundamentals. This work aims to provide a complete review of the literature from the last decade, focusing on the articles published in the past five ... -
A novel method to determine the discharge coefficient of constant section nozzles under compressible dynamic flow conditions
(2019-07)
Article
Restricted access - publisher's policyThe present paper introduces a novel transient experimental method employed to determine the discharge coefficient of constant section nozzles of small diameters of 1 to 3 mm and with a length/diameter ratio of around one. ... -
Bond graph simulation of error propagation in position estimation of a hydraulic cylinder using low cost accelerometers
(2018-10-01)
Article
Open AccessThe indirect calculation from acceleration of transversal displacement of the piston inside the body of a double effect linear hydraulic cylinder during its operating cycle is assessed. Currently an extensive effort exists ... -
A simplified methodology to evaluate the design specifications of hydraulic components
(Multidisciplinary Digital Publishing Institute, 2018-09-11)
Article
Open AccessThe fatigue of a hydraulic component inherently varies due to various factors that can be divided into two categories: structural and load spectrum variability. The effects of both variabilities must be considered when ...
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