Wall-flow particulate filters are in the present days a standard aftertreatment system widely used in diesel engines
to reduce particle emissions and meet emission regulations. This paper deals with the analysis of the ...
Luján, José M.; Climent, H.; Ruiz-Rosales, Santiago; Redondo-Puelles, Fernando(SAGE Publications, 2023-02)
[EN] Current European vehicle homologation regulations are increasingly restrictive. Recently, World-wide light-duty test cycle (WLTC) and Real driving emissions (RDE) cycles have been introduced as type approval tests for ...
Regarding the global warming due CO2 emissions, the crude oil depletion and its corresponding rising prices, OEMs are exploring different solutions to increase the internal combustion engine efficiency, among which, the ...
Canet Navarro, Josep Miquel(Universitat Politècnica de València, 2023-10-17)
[ES] Los perfiles de ascenso y descenso de las aeronaves necesitan calcularse en función de parámetros específicos de cada aeronave y las limitaciones de las cartas. Este TFG propone realizar una herramienta para realizar ...
Bermúdez, Vicente; Luján, José M.; Plá Moreno, Benjamín; Linares Rodríguez, Waldemar Gregorio(Elsevier, 2011-02)
In this study, regulated and unregulated gaseous emissions and fuel consumption with five different fuels were tested in a 4-cylinder, light-duty diesel EURO IV typically used for the automotive vehicles in Europe. Three ...
Oliver del Pozo, Antonio(Universitat Politècnica de València, 2015-11-05)
When approaching to an airport, there are different situations that may affect an aircraft’s performance and increase fuel burn, flight time and cost, such as bottlenecks on arrival or hub closures. Airlines must be aware ...
Ramírez Roa, Leonardo Andrés(Universitat Politècnica de València, 2014-10-23)
[EN] The study sets a method based on design of experiments theory to assess variations of less than 5% in fuel consumption when a fleets test is performed. The method will be used in a real test involving an urban transport ...
Dreif Bennany, Amin(Universitat Politècnica de València, 2023-06-12)
[ES] En los últimos años, la industria de la automoción ha hecho un gran esfuerzo para producir sistemas de propulsión más eficientes y menos contaminantes sin menguar su rendimiento. Las nuevas regulaciones impuestas por ...
Meseguer Anastasio, Javier Enrique; Toh, Chai Keong; Tavares de Araujo Cesariny Calafate, Carlos Miguel; Cano, Juan-Carlos; Manzoni, Pietro(Institute of Electrical and Electronics Engineers, 2017)
[EN] Intelligent transportation systems (ITS) rely on connected vehicle applications to address real-world problems. Research is currently being conducted to support safety, mobility and environmental applications. This ...
Bermúdez, Vicente; Luján, José M.; Plá Moreno, Benjamín; Linares Rodríguez, Waldemar Gregorio(Elsevier, 2011-09)
Regulated and unregulated gaseous emissions with high pressure and low pressure EGR (exhaust gas recirculation) system were tested in a 4-cylinder, light-duty diesel EURO IV engine typically used in European vehicles. Four ...
Lloret Llinares, Miguel(Universitat Politècnica de València, 2024-02-19)
[ES] Con el objetivo de mejorar la sostenibilidad en el transporte terrestre de mercancías, en el presente trabajo se analizan y comparan las diferentes alternativas para sistemas de propulsión que contribuyen a la ...
Silvestre Martínez, Ramón; García García, Alfredo(Asociación Técnica de Carreteras, 2012)
[EN] Traffic calming reduces traffic speed and traffic flow in crosstown roads and urban streets to improve road safety. However, its design does not consider energy and environmental impact criteria in urban areas. In ...
Luján, José M.; Climent, H.; Plá Moreno, Benjamín; Rivas Perea, Manuel Eduardo; Francois, Nicolas-Yoan; Borges Alejo, José; Soukeur, Zoulikha(Elsevier, 2015-10-05)
Current diesel engines are struggling to achieve exhaust emissions regulations margins, in certain cases penalizing the fuel consumption. The exhaust gas recirculation (EGR) continues to be employed as a technique to reduce ...
Lujan Martinez, José Manuel; Serrano Cruz, José Ramón; Piqueras Cabrera, Pedro; García Afonso, Óscar(Elsevier, 2015-02-01)
This paper corresponds to the second part of a work devoted to analyse the impact of the pre-turbo aftertreatment configuration on the performance of a single stage turbocharged Diesel engine. This second part focuses on ...
Luján, José M.; Bermúdez, Vicente; Piqueras, P.; García Afonso, Óscar(Elsevier, 2015-02-01)
Diesel oxidation catalysts and diesel particulate filters are standard aftertreatment systems in Diesel engines which are traditionally placed downstream of the turbine. However, pre-turbo aftertreatment configurations are ...
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] 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 ...
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 ...
Luján, José M.; Climent, H.; Novella Rosa, Ricardo; Rivas Perea, Manuel Eduardo(Elsevier, 2015-10-05)
his paper presents an experimental study of a low pressure EGR loop on a spark ignition (SI) Gasoline Turbocharged Direct Injection (GTDI) engine that will improve the understanding on the advantages and disadvantages of ...
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 ...