Carreño Arango, Ricardo(Universitat Politècnica de València, 2016-11-02)
[EN] The main objective of this doctoral thesis is the development of a comprehensive methodology to perform and analyse the thermal balance of reciprocating engines, based on experimental and theoretical techniques. ...
[EN] This paper analyses the in-cylinder pressure oscillations in internal combustion engines, which are initiated by combustion and resonate during the expansion stroke. A specific mathematical tool, which takes into ...
Benajes Calvo, Jesus Vicente; Martín Díaz, Jaime; García Martínez, Antonio; Villalta Lara, David; Warey, Alok; Domenech Llopis, Vicente; Vassallo, Alberto Lorenzo; Vassallo(SAE International, 2015-09)
In the last two decades engine research has been mainly focused on reducing pollutant emissions. This fact together with growing awareness about the impacts of climate change are leading to an increase in the importance ...
Serrano Cruz, José Ramón; Climent, H.; Piqueras, P.; García Afonso, Óscar(Elsevier, 2013-04)
This paper presents a chemical species transport model to account for variable composition and gas properties along the flow path in internal combustion engines. The numerical solution to adapt the gas dynamic model to ...
Luján, José M.; Guardiola, Carlos; Pla Moreno, Benjamín; Reig, Alberto(Institute of Electrical and Electronics Engineers, 2018)
[EN] An optimal solution to the energy management problem in hybrid electric vehicles has been extensively addressed in the literature during the last decade, especially with the application of dynamic programming, the ...
Nakaema Aronis, André(Universitat Politècnica de València, 2020-12-19)
[ES] Los sistemas de postratamiento SCR son la solución más extendida para la reducción de emisiones de NOx en motores Diesel de automoción, pues permiten reducciones en las emisiones de NOx de hasta el 95%. En los últimos ...
García Hostalet, Alfonso(Universitat Politècnica de València, 2016-10-28)
[EN] Modern turbocharged direct injection SI engines are usually fitted with VVT (camphasers) which allow varying the valve timing according to the control objectives. This may be used chiefly for two purposes:
¿ Improve ...
[EN] Accurate cylinder charge and composition estimation is crucial for proper combustion control, however, current sensors and models show different issues for transient estimation. The work presented in this paper combines ...
Blas Medina, Sergio(Universitat Politècnica de València, 2019-10-18)
[ES] Este proyecto presenta un equipo que permite reproducir las condiciones de presión, temperatura y humedad deseadas para emular condiciones de ensayo de motores de combustión. Durante el trabajo se detallan el principio ...
Medina Tomás, Nicolás(Universitat Politècnica de València, 2019-10-29)
[ES] El uso de turbomáquinas radiales para sobrealimentar motores permite reducir fuertemente su consumo y emisiones contaminantes. En el caso de los motores por encendido provocado, es muy común aprovechar la energía ...
Dombrovsky, Artem(Universitat Politècnica de València, 2015-06-16)
[EN] Nowadays, the regulation of pollutant emissions of reciprocating internal combustion engines becomes
more and more restrictive. One of the main strategies to reduce those emissions is the reduction of engine
volume ...
Peraza Ávila, Jesús Enrique(Universitat Politècnica de València, 2020-09-02)
[EN] The potential of diesel engines in terms of robustness, efficiency and energy density has made them widely used as power generators and propulsion systems. Specifically, fuel atomization, vaporization and air-fuel ...
Desantes, J.M.; Torregrosa, A. J.; Broatch, A.; Olmeda González, Pablo Cesar(Elsevier, 2011-01)
[EN] The present study tries to be a contribution for the development of more precise theoretical models for predicting the dissipation of heat through the combustion chamber walls of reciprocating (internal combustion) ...
Martínez Iranzo, Miguel Andrés; Salcedo Romero de Ávila, José Vicente(Universitat Politècnica de València, 2010-01-07)
[EN] In this paper we suggest a methodology for the identification of linear parameter time varying models (LPV), based on a previous local identification at some operating points, which presents a high degree of flexibility ...
[EN] Internal Combustion Engines (ICEs) are the main propulsion systems for ground transport, both
in on-road and off-road applications. By mid-2016, a special issue about ICEs for ground transport
was announced, corresponding ...
López, J. Javier; Payri, F.; Martín, J.; Carreño-Arango, Ricardo(Elsevier, 2018)
[EN] The increasingly stringent internal combustion engines emissions regulations, has led to the extended
use of after-treatment systems, giving progressively more importance to the engine efficiency optimization.
In ...
[EN] Exhaust temperature is a valuable parameter for engine control. However, measurement conditions at the engine exhaust and the slow dynamic response of temperature sensors difficult the determination of the instantaneous ...
[EN] A novel technique of trapped mass determination, based on the in-cylinder pressure resonance, has been recently published by the authors. However, the method only works when sufficient resonance intensity exists and ...
Ricart Jiménez, Martín(Universitat Politècnica de València, 2015-09-18)
This Final Project aims to realize a study on the internal combustion engines with hydrogen and its introduction on the viability of market. We must not confuse the internal combustion engine with hydrogen with fuel cell ...
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 ...