Benajes Calvo, Jesus Vicente; Novella Rosa, Ricardo; De Lima Moradell, Daniela Andreina; Tribotte, Pascal; Quechon, Nicolas; Obernesser, Philippe; Dugue, Vincent(Elsevier, 2013-09)
[EN] On the last years engine researchers has been focused on improving engine efficiency in order to decrease CO2 emissions and fuel consumption, while fulfilling the increasingly stringent pollutant emissions regulations. ...
Conde Pabón, Brayan Yessid(Universitat Politècnica de València, 2021-12-08)
[ES] El principal objetivo de este trabajo consiste en analizar el rendimiento de un sistema de postratamiento, compuesto por un catalizador de tres vías (TWC) y un filtro de partículas (PF). Dispositivos empleados en el ...
Diez Rodriguez, Alonso(Universitat Politècnica de València, 2021-09-09)
[ES] El siguiente documento tiene como objeto ajustar los cálculos mecánicos y el diseño estructural de la parte presurizada a presión de una caldera con capacidad para producir un caudal de salida de 50 kg/h de vapor a ...
Benajes, Jesús; Novella Rosa, Ricardo; Pastor Enguídanos, José Manuel; Hernández-López, Alberto; Kokjohn, Sage L.(Elsevier, 2018)
[EN] A genetic algorithm optimization methodology is applied to the design of the combustion system of a heavy-duty diesel engine fueled with dimethyl ether (DME). The optimization includes the key combustion system related ...
Auñón García, Ángel(Universitat Politècnica de València, 2021-07-05)
[ES] Las nuevas regulaciones en materia de emisiones de efecto invernadero y calidad del aire han conducido la evolución tecnológica de los motores de combustión interna durante los últimos años. Las mejoras en el proceso ...
Cáceres Cavero, Sergio(Universitat Politècnica de València, 2017-09-29)
The project aims to:
- Design all reactor elements for the evaluation of monoliths of the catalysts used to reduce emissions of NOx, HC and CO
- Select reactor thermal conditioning systems
- Select the appropriate ...
Torre González, Christian Iván(Universitat Politècnica de València, 2022-09-01)
[ES] El trabajo propuesto tiene como propósito principal el estudio del hidrógeno como combustible, analizando sus principales diferencias con otros combustibles convencionales a la hora de ser introducido en un MCIA dadas ...
Soto Izquierdo, Lian(Universitat Politècnica de València, 2017-08-28)
[EN]
In order to improve performance and minimize pollutant emissions in GTDi engines, different strategies and technologies
are being investigated. Either the inclusion of EGR or the variation of the SOI are some of the ...
Moratal Martínez, Ausiás Alberto(Universitat Politècnica de València, 2015-07-17)
[EN] Pollutant emissions and fuel consumption are one of the majors themes that automotive engineers have to face. Cold engine start and warming up analysis have become important topics for researches. In order to improve ...
This paper describes the study of different bottoming Rankine cycles with water-steam and/or ORC configurations in classical and innovative setups such as a waste heat recovery system in a Heavy Duty Diesel (HDD) Engine. ...
Serrano Cruz, José Ramón; Dolz Ruiz, Vicente; Novella Rosa, Ricardo; García Martínez, Antonio(Elsevier, 2012-04)
A theoretical investigation has been performed on the feasibility of introducing a waste heat recovery (WHR) system in a two-stage turbocharged HDD engine. The WHR is attained by introducing a Rankine cycle, which uses an ...
[EN] Research efforts in the automotive sector focus on developing new combustion concepts for mitigating the emissions of nitrous oxides and soot of conventional Diesel combustion. One of the most promising concept is the ...
Benajes, Jesús; Novella Rosa, Ricardo; De Lima, D.; Thein, Kévin Jean Lucien(Elsevier, 2017-05-01)
[EN] Partially Premixed Combustion (PPC) using gasoline-like fuels has proven its potential to control or even break the NOx and soot emissions trade-off, retaining the high efficiency levels characteristic of the conventional ...
Benajes Calvo, Jesus Vicente; Molina Alcaide, Santiago Alberto; Novella Rosa, Ricardo; De Lima Moradell, Daniela Andreina(Elsevier, 2014-06-01)
Partially Premixed Combustion (PPC) of fuels in the gasoline octane range has proven to combine low NOX and soot emissions with high indicated efficiencies, while still retaining control over combustion phasing with the ...
Luján, José M.; Climent, H.; Ruiz-Rosales, Santiago; Moratal, Ausias(SAGE Publications, 2019-10)
[EN] The effect of low ambient temperature on diesel raw pollutant emissions is analysed in two different driving cycles: NEDC and WLTC. The study is focused on hydrocarbons, carbon monoxide, nitrogen oxides and fuel ...
Ceballos, John Jairo; Melgar, Andrés; Tinaut-Fluixá, Francisco Vicente(MDPI AG, 2021-09)
[EN] The present study shows the effects of environmental conditions (atmospheric temperature, pressure and relative humidity) due to altitude changes on performance, fuel consumption and emissions in a naturally aspirated ...
GASTALDI, PATRICK(Universitat Politècnica de València, 2015-03-31)
During the last two centuries, the development of the internal combustion engine has
followed the evolution of the customer expectations. From the race for pure
performances, high power, and fun to drive, perfectly well ...
Gómez Vilanova, Alejandro(Universitat Politècnica de València, 2022-04-01)
[ES] Se espera que la nueva generación de motores de encendido provocado represente la mayor parte del mercado en el contexto de la propulsión de vehículos con o sin hibridación. Sin embargo, la tecnología actual todavía ...
Tuñón Molina, Javier(Universitat Politècnica de València, 2021-09-02)
[ES] Actualmente nos encontramos en una situación de emergencia climática sin precedentes, a la que los gobiernos y organizaciones internacionales están respondiendo con medidas de control y reducción de emisiones contaminantes ...
In this paper, an experimental facility is implemented with the aim of improving the performance of internal combustion engines working at low ambient temperatures. Pollutant emissions and fuel consumption are one of the ...