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Graphic method to evaluate power requirements of a hydraulic system using load-holding valves
(2022-07-01)
Article
Open AccessIt is very well known that the use of a load-holding valve (LHV) in a hydraulic system introduces additional energy consumption. This article presented a simplified graphical method for analyzing the power requirements of ... -
In-house low-cost water table prototype to practically analyse the modelling compressible flow in a fluid engineering course
(Sage, 2022-06-19)
Article
Open AccessThe present work studies the hydro-gasdynamic analogy between a shock wave, occurring in supersonic internal or external compressible flows, and a hydraulic jump, a sort of normal shock occurring in open-channel flows. It ... -
Energy key performance indicators for mobile machinery
(2022-02-14)
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Open AccessMobile machinery manufacturers must face and deal with reducing fuel consumption, rising prices, and environmental pollution. The development of methods to evaluate the efficiency and effectiveness of the energy performance ... -
Multi-factor design for a vacuum ejector improvement by in-depth analysis of construction parameters
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-08-17)
Article
Open AccessA vacuum supersonic ejector is an indispensable pneumatic device placed in nearly all industrial production lines. This device, also called a zero-secondary flow ejector, is characterized by the maximum entrained flow and ... -
Dynamics of a microsphere inside a spherical cavity with Newtonian fluid subjected to periodic contractions
(2022-07-05)
Article
Open AccessMechanical forces on the nucleus of a biological cell can play a significant role in its positioning within the cell. Some models for the migration of the nucleus are based on biochemical signals, which have a very slow ... -
Hydropower: projections in a changing climate and impacts by this "clean" source
(2021-07-16)
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Open AccessINTRODUCTION: Hydropower is an extensively used renewable source; in 2016, 159 countries reported benefiting; currently, there are around 9,000 projects in operation due to the competitive cost of generating a similar cost ... -
The American continent hydropower development and the sustainability: a review
(2022-03)
Article
Open AccessThe present review compares and takes the main ideas around hydropower development in eight countries of the American continent, identifying its advantages and disadvantages, showing a vision concerning sustainability. It ... -
Comparative cost per kilowatt of the latest hydropower projects in Ecuador
(2022-01)
Article
Open AccessLa hidroelectricidad es la mayor fuente renovable globalmente utilizada, para el 2020 ésta constituye el 77% de la matriz energética en Ecuador, pero los costos con los cuales se desarrollan estos proyectos generan el ... -
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 ...
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