Results 11 to 20 of about 63,395 (317)

Development of an Oxy-Fuel Combustion System in a Compression-Ignition Engine for Ultra-Low Emissions Powerplants Using CFD and Evolutionary Algorithms

Applied Sciences, 2022
This study uses an optimization approach for developing a combustion system in a compression–ignition engine that is able to operate under oxy-fuel conditions, and produces mainly CO2 and H2O as exhaust gases.
José Ramón Serrano, Gabriela Bracho, Josep Gomez-Soriano, Cássio Fernandes   +3 more
doaj   +1 more source

New Combustion Modelling Approach for Methane-Hydrogen Fueled Engines Using Machine Learning and Engine Virtualization

Energies, 2021
The achievement of a carbon-free emissions economy is one of the main goals to reduce climate change and its negative effects. Scientists and technological improvements have followed this trend, improving efficiency, and reducing carbon and other ...
Santiago Molina, Ricardo Novella, Josep Gomez-Soriano, Miguel Olcina-Girona   +3 more
doaj   +1 more source

Experimental Characterization of Real Driving Cycles in a Light-Duty Diesel Engine under Different Dynamic Conditions

Applied Sciences, 2022
This paper studies the behavior of a Euro 6 diesel engine tested under dynamic conditions corresponding to different real driving emissions (RDE) scenarios.
José Manuel Luján, Pedro Piqueras, Joaquín de la Morena, Fernando Redondo   +3 more
doaj   +1 more source

Mezclas gasolina-etanol en motores de combustión interna en Colombia

Mutis, 2016
En este trabajo se analiza el cambio sobre el desempeño y las emisiones de los motores encendidos por chispa cuando la gasolina es reemplazada por una mezcla de gasolina y etanol.
Juan Mantilla, Carlos Galeano, Alejandro Muñoz   +2 more
doaj   +3 more sources

Numerical Evaluation in a Scaled Rotor-Less Nozzle Vaned Radial Turbine Model under Variable Geometry Conditions

Applied Sciences, 2022
The widespread trend of pursuing higher efficiencies in radial turbochargers led to the prompting of this work. A 3D-printed model of the static parts of a radial variable geometry turbine, the vaned nozzle, and the volute, was developed.
José Ramón Serrano, Andrés Omar Tiseira, Juan Antonio López-Carrillo, Natalia Hervás-Gómez   +3 more
doaj   +1 more source

Energy Management of Hybrid Electric Urban Bus by Off-Line Dynamic Programming Optimization and One-Step Look-Ahead Rollout

Applied Sciences, 2022
Due to the growing air quality concern in urban areas and rising fuel prices, urban bus fleets are progressively turning to hybrid electric vehicles (HEVs) which show higher efficiency and lower emissions in comparison with conventional vehicles.
Bernardo Tormos, Benjamín Pla, Pau Bares, Douglas Pinto   +3 more
doaj   +1 more source

A Study of the Transient Response of Duct Junctions: Measurements and Gas-Dynamic Modeling with a Staggered Mesh Finite Volume Approach

Applied Sciences, 2017
Duct junctions play a major role in the operation and design of most piping systems. The objective of this paper is to establish the potential of a staggered mesh finite volume model as a way to improve the description of the effect of simple duct ...
Antonio J. Torregrosa, Alberto Broatch, Luis M. García-Cuevas, Manuel Hernández   +3 more
doaj   +1 more source

Propeller Position Effects over the Pressure and Friction Coefficients over the Wing of an UAV with Distributed Electric Propulsion: A Proper Orthogonal Decomposition Analysis

Drones, 2022
New propulsive architectures, with high interactions with the aerodynamic performance of the platform, are an attractive option for reducing the power consumption, increasing the resilience, reducing the noise and improving the handling of fixed-wing ...
José Ramón Serrano, Luis Miguel García-Cuevas, Pau Bares, Pau Varela   +3 more
doaj   +1 more source

Why the Development of Internal Combustion Engines Is Still Necessary to Fight against Global Climate Change from the Perspective of Transportation

Applied Sciences, 2019
Internal combustion engines (ICE) are the main propulsion systems in road transport [...]
José Ramón Serrano, Ricardo Novella, Pedro Piqueras   +2 more
doaj   +1 more source

Heritability of motor control and motor learning [PDF]

Physiological Reports, 2013
The aim of this study was to elucidate the relative contribution of genes and environment on individual differences in motor control and acquisition of a force control task, in view of recent association studies showing that several candidate polymorphisms may have an effect on them.
Missitzi, J., Gentner, R., Misitzi, A., Geladas, N., Politis, P., Klissouras, V., Classen, J.   +6 more
openaire   +3 more sources