[EN] After-treatment systems are necessary to respect the pollutant emissions thresholds specified by regulations. However, due to system ageing, the efficiency of the after-treatment system may decrease and affect the ...
Benajes, Jesús; García Martínez, Antonio; Monsalve-Serrano, Javier; Lago-Sari, Rafael(Elsevier, 2018)
[EN] Reactivity controlled compression ignition (RCCI) combustion is one of the most promising low temperature combustion (LTC) techniques, as it is able to provide ultra-low NOx and soot emissions together with higher ...
Civera Bayarri, Alicia(Universitat Politècnica de València, 2022-11-08)
[ES] Conociendo la creciente demanda de combustibles sostenibles y métodos alternativos
de transporte debido a legislación de emisiones, siendo esta cada vez más restrictiva, este
proyecto presenta un estudio sobre los ...
[EN] Dual-mode dual-fuel (DMDF) combustion stands over other low temperature combustion strategies as it is able to operate over the entire engine map by transitioning between reactivity controlled compression ignition and ...
[EN] New regulations applied to the transportation sector are widening the operation range where the pollutant emissions are evaluated. Besides ambient temperature, the driving altitude is also considered to reduce the gap ...
Payri, Raul; De La Morena, Joaquín; Monsalve-Serrano, Javier; Pesce, Francesco Concetto; Vassallo, Alberto(SAGE Publications, 2019-01)
[EN] This article describes the main results of an investigation about counter-bore injector nozzle impact on the combustion process in a modern Euro 6 diesel engine. First, hydraulic and spray visualization tests have ...
Piqueras, P.; De La Morena, Joaquín; Sanchis-Pacheco, Enrique José; Pitarch-Berná, Rafael(MDPI AG, 2020-11)
[EN] Exhaust gas recirculation is one of the technologies that can be used to improve the efficiency of spark-ignition engines. However, apart from fuel consumption reduction, this technology has a significant impact on ...
[EN] The impact of Euro 4 compression ignition engines over the air quality in Europe has been analyzed in this work by comparing them with Euro 6d emissions regulation. The Euro 6d diesel engine has been chosen as the ...
Flores Gil, Viviana Nathalie(Universitat Politècnica de València, 2016-07-19)
[EN] Nutritional strategies in pig production are of utmost relevance in the reduction of the impact on the environment. The objective of this study was to assess the effect of the inclusion of an unreliable source of ...
Patil, Chaitanya Yashvant(Universitat Politècnica de València, 2017-08-28)
Knowing the importance of EGR, to control the emissions from internal combustion engines and to cope with upcoming future emissions standards, it is necessary to investigate the influence of EGR on diesel engines. Specially, ...
Romero García, Carlos(Universitat Politècnica de València, 2022-10-18)
[ES] Hoy en día, cada vez son más frecuentes los efectos causados por el calentamiento global. Ante el aumento de la preocupación, un grupo de investigadores del grupo ICTvsCC, han desarrollado un software capaz de aproximar ...
Chaves Naharro, Julián(Universitat Politècnica de València, 2015-06-17)
[EN]
Wildfires are typical processes at Mediterranean zones, very important for renovation and evolution of their ecosystems. Nevertheless the anthropogenic influence has caused for the last decades a large rise of ...
Fajardo Viloria, Blanca(Universitat Politècnica de València, 2023-01-04)
[ES] La industria porcina tiene un papel relevante para la economía española. Es la principal actividad ganadera y supone alrededor del 15% de la Producción final agraria. Este nivel de producción demanda, por un lado, ...
Benajes Calvo, Jesus Vicente; García Oliver, José María; Novella Rosa, Ricardo; KOLODZIEJ, CHRISTOPHER PAUL(Elsevier, 2012-04)
A clean premixed Diesel combustion strategy, called low temperature combustion (LTC), was able to achieve very low nitrogen oxide emissions (<35 ppm) through use of exhaust gas recirculation (12.1% inlet oxygen), and reduced ...
Serrano, J.R.; Piqueras, P.; De La Morena, Joaquín; Ruiz-Lucas, María José(MDPI AG, 2020-11)
[EN] The earlier activation of the catalytic converters in internal combustion engines is becoming highly challenging due to the reduction in exhaust gas temperature caused by the application of CO2 reduction technologies. ...
[EN] Worldwide pollutant regulations applied to the transportation sector are progressively tightening the emission limits and widening the operating conditions of the type approval tests. As a result, the layout and thermal ...
Sánchez Martínez, Marta(Universitat Politècnica de València, 2016-10-21)
[ES] Debido a la actual y creciente preocupación por el medio ambiente y a la implicación del hombre
en impactos medioambientales surge la necesidad de conocer en qué medida el ser humano es
responsable de ellos para así ...
Serrano, J.R.; Piqueras, P.; De La Morena, Joaquín; Sanchis-Pacheco, Enrique José(MDPI AG, 2019-12-09)
[EN] Late fuel post-injections are the most usual strategy to reach high exhaust temperature for the active regeneration of diesel particulate filters. However, it is important to optimise these strategies in order to ...
Tortajada Pastor, Elisa(Universitat Politècnica de València, 2020-10-23)
[ES] Actualmente los motores de combustión interna, principalmente los de inyección
directa de gasolina (GDI) y diésel presentan como inconveniente las emisiones de
partículas de hollín, las cuales consisten en partículas ...
Rodríguez Vilches, Rubén(Universitat Politècnica de València, 2019-09-11)
[ES] Las normativas mundiales de emisiones son cada vez más estrictas para todos los vehículos utilizados en aplicaciones de transporte terrestre. Con la entrada en vigor de la normativa europea Euro6d-Temp y Euro 6c se ...