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Listar por autor "de Vargas Lewiski, Felipe"

Mostrando ítems 1-12 de 12

A Synergic Application of High-Oxygenated E-Fuels and New Bowl Designs for Low Soot Emissions: An Optical Analysis

Pastor, José V.; Micó, Carlos; De Vargas Lewiski, Felipe; Tejada-Magraner, Francisco José; Tornatore, Cinzia (MDPI AG, 2023-07)

[EN] Synthetic fuels significantly reduce pollutant emissions and the carbon footprint of ICE applications. Among these fuels, oxymethylene dimethyl ethers (OMEX) are an excellent candidate to entirely or partially replace ...
An optical investigation of Fischer-Tropsch diesel and Oxymethylene dimethyl ether impact on combustion process for CI engines

Pastor, José V.; García Martínez, Antonio; Mico Reche, Carlos; De Vargas Lewiski, Felipe (Elsevier, 2020-02-15)

[EN] Synthetic fuels (E-fuels) have shown to be an interesting alternative to replace the fossil diesel fuel due to its CO2 reduction potential as well as for their capability to diminish the soot production and therefore ...
Analysis of the combustion process and soot formation in a single cylinder optical engine fueled with e-fuels and using different piston geometries

Vargas Lewiski, Felipe de (Universitat Politècnica de València, 2022-01-10)

[ES] La reducción de emisiones en motores de combustión interna (MCI) es uno de los mayores desafíos técnicos de la sociedad. Aunque están surgiendo nuevas tecnologías para la movilidad, el ICE seguirá teniendo un papel ...
Análisis del flujo en el cilindro y caracterización termodinámica en un motor diesel óptico monocilíndrico

Vargas Lewiski, Felipe de (Universitat Politècnica de València, 2019-10-15)

[ES] Con las exigentes legislaciones sobre emisiones y la necesidad de una mayor eficiencia, se están desarrollando nuevas tecnologías para motores de encendido por compresión. Una de ellas se basa en reducir las pérdidas ...
Effect of a novel piston geometry on the combustion process of a light-duty compression ignition engine: An optical analysis

Pastor, José V.; García Martínez, Antonio; Mico Reche, Carlos; De Vargas Lewiski, Felipe; Vassallo, Alberto; Pesce, Francesco Concetto (Elsevier, 2021-04-15)

[EN] The development of new piston geometries has shown great potential to achieve the low levels of soot emissions required by regulation. Thus, the present paper aims to characterize the influence of a new piston design ...
Evaluation of the ducted fuel injection concept for medium duty engines and multi-hole nozzles: An optical analysis

Pastor, José V.; Micó, Carlos; De Vargas Lewiski, Felipe; Khalid, Usama Bin (Elsevier, 2024-12-15)

[EN] Ducted Fuel Injection (DFI) is a strategy still in development, which has proved to be effective in reducing soot emissions in compression ignition engines. It works by driving the spray, formed by a high-pressure ...
Influence of the radial-lip concept design to achieve ultra-low soot emission reductions: An optical analysis

Pastor, José V.; Micó, Carlos; De Vargas Lewiski, Felipe; Tejada, Francisco J.; Vassallo, Alberto; Pesce, Francesco C.; Belgiorno, Giacomo (Elsevier, 2023-08-01)

[EN] Nowadays, internal combustion engines must reduce pollutant emissions to achieve the upcoming strict regu-lations in the transport sector. In this context, new hardware designs have shown great potential to reduce ...
Methodology for Optical Engine Characterization by Means of the Combination of Experimental and Modeling Techniques

Pastor, José V.; Olmeda, P.; Martín, J.; De Vargas Lewiski, Felipe (MDPI AG, 2018)

[EN] Optical engines allow for the direct visualization of the phenomena taking place in the combustion chamber and the application of optical techniques for combustion analysis, which makes them invaluable tools for the ...
Mixture formation and combustion process analysis of an innovative diesel piston bowl design through the synergetic application of numerical and optical techniques

Millo, F.; Piano, A.; Roggio, S.; Pastor, José V.; Micó, Carlos; De Vargas Lewiski, Felipe; Pesce, F.C.; Vassallo, A.; Bianco, A. (Elsevier, 2022-02-01)

[EN] The optimization of diesel engine piston bowl geometries has a crucial role in improving the near-wall flame evolution for better air/fuel mixing and soot reduction. With these aims, an innovative piston bowl for a ...
Numerical and optical soot characterization through 2-color pyrometry technique for an innovative diesel piston bowl design

Piano, A.; Roggio, S.; Millo, F.; García Martínez, Antonio; Micó, Carlos; De Vargas Lewiski, Felipe; Pesce, F. C.; Vassallo, A.; Bianco, A. (Elsevier, 2023-02-01)

[EN] The development of innovative diesel piston bowl designs has shown significant improvement of the near-wall flame evolution, resulting in lower fuel consumption and engine-out soot emissions. With this aim, a novel ...
Simultaneous high-speed spectroscopy and 2-color pyrometry analysis in an optical compression ignition engine fueled with OME X -diesel blends

Pastor, José V.; García Martínez, Antonio; Micó, Carlos; De Vargas Lewiski, Felipe (Elsevier, 2021-08)

[EN] E-fuels are a very attractive way for improving the well-to-wheel emissions of CO 2 in internal combustion engines. In the particular case of compression ignition engines, the Oxymethylene dimethyl ether (OME X ), an ...
Soot reduction for cleaner Compression Ignition Engines through innovative bowl templates

Pastor, José V.; García Martínez, Antonio; Mico Reche, Carlos; De Vargas Lewiski, Felipe (SAGE Publications, 2021-08)

[EN] Considering the need of pollutant emissions reduction and the high cost of the after-treatment systems, in-cylinder solutions for pollutant reduction are becoming more and more relevant. Among different proposals, new ...