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. ...
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 ...
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 ...
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 ...
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 ...
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 ...
Martínez Boggio, Santiago Daniel(Universitat Politècnica de València, 2020-12-15)
[ES] Las estrictas regulaciones gubernamentales para vehículos de transporte en términos de emisiones contaminantes, el aumento de la temperatura global del planeta debido a los gases de efecto invernadero (mayormente CO2 ...
Torregrosa, A. J.; Broatch Jacobi, Jaime Alberto; García Martínez, Antonio; Mónico Muñoz, Luisa Fernanda(Elsevier, 2013-04)
Diesel engines are the most commonly used internal combustion engines nowadays, especially in European transportation. This
preference is due to their low consumption and acceptable driveability and comfort. However, the ...
[ES] Los vehículos diésel de automoción están sufriendo en los últimos tiempos un ataque y discriminación a diferentes niveles ante una tecnología competitiva (vehículos eléctricos) que igualmente está recibiendo demasiada ...
Redondo Puelles, Fernando(Universitat Politècnica de València, 2020-12-15)
[ES] Aunque el primer principio de los ciclos RDE es la de su realización en carretera, trasladar las condiciones dinámicas a un banco de ensayos, puede ayudar a su entendimiento. Estos ciclos cuentan con una gran ...