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Listar por palabra clave "Fuels"

Mostrando ítems 1-20 de 22

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A Comprehensive Study of Particle Size Distributions with the Use of PostInjection Strategies in DI Diesel Engines

Desantes, J.M.; Bermúdez, Vicente; García Martínez, Antonio; Linares Rodríguez, Waldemar Gregorio (Taylor & Francis, 2011)

[EN] Control strategies such as variations in injection pressure and timing have been used by researchers to reduce in-cylinder exhaust emissions and meet legislation standards. Postinjection has been studied for several ...
A new method to predict high and low-temperature ignition delays under transient thermodynamic conditions and its experimental validation using a Rapid Compression-Expansion Machine

Desantes Fernández, José Mª; Bermúdez, Vicente; López, J. Javier; López Pintor, Darío (Elsevier, 2016-09-01)

A new procedure to predict both high-temperature stage and cool flames ignition delays under transient thermodynamic conditions has been developed in this paper. The results obtained have been compared with those obtained ...
An experimental study of gasoline effects on injection rate, momentum flux and spray characteristics using a common rail diesel injection system

Payri, Raul; García Martínez, Antonio; Domenech Llopis, Vicente; Durrett, Russell; Plazas, Alejandro H. (Elsevier, 2012-07)

A comparative study using diesel fuel and gasoline has been conducted focusing on the injection process. In this paper an experimental study has been carried out comparing the effects of the different fuels on the mass ...
Análisis de los efectos provocados por la eliminación del diésel en el sector de la automoción

Gil López, Sergio (Universitat Politècnica de València, 2020-04-14)

[ES] Desde el origen del Euro 0, creado en 1988, las restricciones sobre las emisiones de los principales combustibles se han visto modificadas por la reducción del nivel de contaminación máxima por carburante. Uno de los ...
Biomass valorization into fuels, energy, materials and chemicals (UBIOCHEM-IV) Preface

Domine, Marcelo Eduardo; Marinas, Alberto; Sheldon, Roger A. (Elsevier, 2015-11-15)

Preface of Catalysis Today Special Issue dedicated to selected articles presented during the UBIOCHEM IV International Congress held in Valencia, Spain (2013)
Boundary condition and fuel composition effects on injection processes of high-pressure sprays at the microscopic level

Manin, J.; Bardi, M.; Pickett, L. M.; Payri Marín, Raúl (Elsevier, 2016-07)

Detailed imaging of n-dodecane and ethanol sprays injected in a constant-flow, high-pressure, high-temperature optically accessible chamber was per-formed. High-speed, diffused back-illuminated long-distance microscopy was ...
Characterization of paraffin-based fuels and paraffin waxes for hybrid rocket engines

Arroyo Carretero, Verónica (Universitat Politècnica de València, 2015-06-01)

This thesis develops an investigation on the rheological and mechanical properties of a class of paraffin-based fuels for hybrid rocket engines. They are obtained by mixing a paraffin wax and a polymer (SEBS, EVA and ...
Combination of Visualization Techniques for the Analysis of Evaporating Diesel Sprays

Payri, Raul; Salvador, F.J.; García Martínez, Antonio; Gil, A. (American Chemical Society, 2012-07)

[EN] Evaporating diesel sprays from three different multi-hole nozzles have been studied by means of three different and complementary techniques: Mie scattering, double-pass schlieren, and CH radical chemiluminescence. ...
Eco-Driving Optimization of a Signalized Route With Extended Traffic State Information

Arnau Martínez, Francisco José; Pla Moreno, Benjamín; Bares-Moreno, Pau; Trintinaglia-Perin, Augusto (Institute of Electrical and Electronics Engineers, 2023-08)

[EN] Literature suggests that driving style and conditions play a major role in vehicle energy consumption. In this sense, this work focuses on vehicle speed planning using information from the environment, through ...
Effect of the C-alpha substitution on the ketonic decarboxylation of carboxylic acids over m-ZrO2: the role of entropy

Oliver-Tomás, Borja; Gonell-Gómez, Francisco; Pulido, Angeles; Renz, Michael; Boronat Zaragoza, Mercedes (Royal Society of Chemistry, 2016)

[EN] The kinetics of the ketonic decarboxylation of linear and branched carboxylic acids over m-ZrO2 as a catalyst has been investigated. The same apparent activation energy is experimentally determined for the ketonic ...
Estudio de catalizadores basados en hierro soportados para la hidrogenación directa de CO2 a hidrocarburos.

Castro Collante, Daniela (Universitat Politècnica de València, 2021-01-13)

[ES] El dióxido de carbono es uno de los principales gases de efecto invernadero que causa el calentamiento global de nuestro planeta, con un impacto indiscutible sobre el cambio climático. Para reducir las emisiones de ...
Estudio de una instalación de recepción, almacenamiento y distribución de combustibles en A Coruña para la elaboración del Documento de Protección Contra Explosiones

García Carbonell, Cristina (Universitat Politècnica de València, 2024-09-03)

[ES] El Trabajo Final de Máster propuesto se basa en el análisis de una planta de almacenamiento de combustibles ubicada en A Coruña con el objetivo de adoptar las medidas necesarias para cumplir con los requisitos de la ...
Experimental study of the injection conditions influence over n-dodecane and diesel sprays with two ECN single-hole nozzles. Part I: Inert atmosphere

Gimeno, Jaime; Bracho Leon, Gabriela; Marti-Aldaravi, Pedro; Peraza, Jesús E (Elsevier, 2016-10-15)

In this research, two Engine Combustion Network (ECN) mono-orifice nozzles, referred to as Spray C and Spray D. respectively, were analyzed by performing visualization tests through Schlieren and Diffused Backlight ...
Experimental study of the injection conditions influence over n-dodecane and diesel sprays with two ECN single-hole nozzles. Part II: Reactive atmosphere

Payri, Raul; Salvador Rubio, Francisco Javier; Gimeno, Jaime; Peraza, Jesús E (Elsevier, 2016-10-15)

The second part of this experimental analysis, presented in this paper, seeks to go deep on the characterization of the Spray C and Spray D nozzles from the Engine Combustion Network, investigating the penetration of fuel ...
Experimental validation of an alternative method to predict high and low-temperature ignition delays under transient thermodynamic conditions for PRF mixtures using a Rapid Compression-Expansion Machine

Desantes Fernández, José Mª; Bermúdez, Vicente; López, J. Javier; López Pintor, Darío (Elsevier, 2016-12-01)

An alternative procedure to predict both high-temperature stage and cool flames ignition delays under transient thermodynamic conditions is intended to be validated in this paper. An experimental study has been carried ...
Fuel concentration in isothermal Diesel sprays through structured planar laser imaging measurements

Payri, Raul; Gimeno, Jaime; Marti-Aldaravi, Pedro; Manin, J. (ELSEVIER SCIENCE INC, 2012)

[EN] The mixing of isothermal liquid sprays in engine-like conditions has been investigated by applying the structured planar laser imaging technique to remove multiple light scattering. The intensity of the illumination ...
Impact of Spark Assistance and Multiple Injections on Gasoline PPC Light Load

Benajes Calvo, Jesus Vicente; Tormos Martínez, Bernardo Vicente; García Martínez, Antonio; Monsalve Serrano, Javier (SAE International, 2014-10)

Along the last years, engine researchers are more and more focusing their efforts on the advanced low temperature combustion (LTC) concepts with the aim of achieving the stringent limits of the current emission legislations. ...
Investigation on Multiple Injection Strategies for Gasoline PPC Operation in a Newly Designed 2-Stroke HSDI Compression Ignition Engine

Benajes Calvo, Jesus Vicente; Novella Rosa, Ricardo; De Lima Moradell, Daniela Andreina; Tribotte, Pascal (SAE International, 2015-04)

Partially Premixed Combustion (PPC) of fuels in the gasoline octane range has proven its potential to achieve simultaneous reduction in soot and NOX emissions, combined with high indicated efficiencies; while still retaining ...
Performance of a transmutation advanced device for sustainable energy application

Garcia Hernandez, Carlos Rafael; Rosales, J.; García Fajardo, Laura; Pérez-Navarro Gómez, Ángel; Escrivá, A.; Abánades, A. (Elsevier, 2011-11)

[EN] Preliminary studies have been performed to design a device for nuclear waste transmutation and hydrogen generation based on a gas-cooled pebble bed accelerator driven system, TADSEA (Transmutation Advanced Device for ...
Plan Local Prevención Incendios Forestales TM Picassent (Valencia)

Ríos Agudo, Carlos (Universitat Politècnica de València, 2018-06-19)

[ES] En la actualidad, la Comunidad Valenciana presenta un elevado riesgo de incendios forestales. Según la legislación vigente en dicha comunidad es obligatorio que toda población con superficie forestal tenga elaborado ...