[EN] Ideal models provide the simplest way to reproduce internal combustion engine (ICE) cycles, but they usually do not represent with sufficient accuracy the actual behaviour of an ICE. A suitable alternative for research ...
[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 ...
Benajes, Jesús; Novella Rosa, Ricardo; Pastor Enguídanos, José Manuel; Hernández-López, A.; Duverger, T.(Elsevier, 2017-11-01)
[EN] Research on combustion systems for Internal Combustion Engines (ICE) is guided by the necessity of improving
engine efficiency while achieving the pollutant regulations. In this framework, this study identifies and ...
Salvador Iborra, Josep(Universitat Politècnica de València, 2020-09-02)
[EN] Current challenges in research and development of powertrains demand new computational tools capable of simulating vehicle operation under very diverse conditions. This is due, among other reasons, to new homologation ...
Torregrosa Huguet, Antonio José; Serrano Cruz, José Ramón; Arnau Martínez, Francisco José; Piqueras Cabrera, Pedro(Elsevier, 2011-01)
The use of particulate filters (DPF) in Diesel engines has become in recent years the standard technology for the control of soot aerosol emissions. Once emissions reduction through the management of filtration and ...
Sanjuán Gómez, Úrsula(Universitat Politècnica de València, 2015-03-31)
There is an increasing demand on the use of more renowable sources of energy. The approach of this study is based on a series of tests on different biodiesel blends in order to quantify the effect on emissions of the ...
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 ...
Bermúdez, Vicente; Serrano, J.R.; Piqueras, P.; García Afonso, Óscar(SAGE Publications (UK and US), 2013-08)
Diesel particulate filters are the most useful technology to reduce particulate matter from the exhaust gas of internal combustion engines. Although these devices have suffered an intense development in terms of the ...
Luján, José M.; Climent, H.; Arnau Martínez, Francisco José; Miguel-García, Julián(Elsevier, 2018)
[EN] The objective of the study is to determine the behavior of the low pressure exhaust gas recirculation (LP EGR) transport phenomena in the intake manifold during engine transient operation. The investigation also ...
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. ...
The pressure drop across DPFs directly affects the exhaust back-pressure and fuel economy of
compression ignition engines. Pressure drop is related to the soot trapped inside the DPF, increasing
exhaust back-pressure as ...
Aramburu Orihuela, Alexandra(Universitat Politècnica de València, 2021-11-24)
[ES] Con el objetivo de lograr una disminución de las emisiones contaminantes en los vehículos actuales, sin afectar su rendimiento, se utilizan distintas estrategias de control tales como el control en bucle abierto, de ...
Manresa Verdú, Joaquín(Universitat Politècnica de València, 2020-11-10)
[ES] Los motores térmicos de combustión interna alternativo aprovechan
la energía térmica, obtenida en el proceso de combustión, para
transformarla en energía mecánica. Durante el proceso se liberan gases que
son ...
[EN] This work studies the optimum heat release law of a direct injection diesel engine under constrained conditions. For this purpose, a zero-dimensional predictive model of a diesel engine is coupled to an optimization ...
Bermúdez, Vicente; Serrano Cruz, José Ramón; Piqueras, P.; García Afonso, Óscar(SAGE Publications, 2011)
Diesel particulate filters (DPF) are becoming a standard technology in diesel engines because of the need for compliance with forthcoming regulations regarding soot emissions. When a great degree of maturity in management ...
Marí Guaita, Julia(Universitat Politècnica de València, 2019-01-07)
[ES] En los últimos años los motores de combustión interna han experimentado
grandes avances tecnológicos para poder cumplir con las cada vez más res-
trictivas normativas que limitan las emisiones contaminantes para ...
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 ...
Although high-pressure exhaust gas recirculation has been commonly used in turbocharged diesel engines for controlling
the NOx formation, recent advances in after-treatment and material technology make possible using a ...
Figueroa García, Olga Ligia(Universitat Politècnica de València, 2011-09-06)
Se ha diseñado, puesto a punto y validado una instalación experimental, para la medida de temperaturas y flujos de calor instantáneos en las paredes de la cámara de combustión de un motor Diesel monocilindrico. Se han ...
Angiolini, Emanuele(Universitat Politècnica de València, 2017-09-01)
From the last decades of the 20th century, internal combustion engines
have undergone a continuous improvement process aimed to the increase
of their efficiency and decrease of the pollutants emissions. The reduction
of ...