[EN] The research conducted and explained in this paper aims to explore and understand the influence of flow regime (laminar, transition or turbulent) inside diesel injector nozzles. For this purpose, an experimental study ...
Payri Marín, Raúl; García Oliver, José María; Bardi, Michele; MANIN, JULIEN(Elsevier, 2012-03)
The detailed knowledge of the evaporationecombustion process of the Diesel spray is a key factor for the
development of robust injection strategies able to reduce the pollutant emissions and keep or increase
the combustion ...
Salvador Rubio, Francisco Javier; Gimeno, Jaime; Carreres Talens, Marcos; Crialesi Esposito, Marco(Elsevier, 2016-04-15)
An experimental study is conducted in this paper in order to assess the influence of the fuel temperature on the performance of a last generation common-rail ballistic solenoid injector. Mass flow rate measurements are ...
Payri, Raul; Salvador Rubio, Francisco Javier; Carreres Talens, Marcos; De La Morena, Joaquín(Elsevier, 2016-04-15)
A one-dimensional model of a solenoid-driven common-rail diesel injector has been developed in order to study the influence of fuel temperature on the injection process. The model has been implemented after a thorough ...
Due to world trend on the emission regulations and greater demand of fuel economy, the research on advanced diesel injector designs is a key factor for the next generation diesel engines. For that reason, it is well ...
Herrero Asensio, Pablo(Universitat Politècnica de València, 2019-09-09)
[ES] En el presente proyecto se procederá a la implementación de un motor modular con el fin de poder establecer una comparación con un motor estándar de 4 tiempos e identificar los diferentes beneficios de la disposición ...
The increase in diesel demand, especially in Europe, and the need for high fuel quality requirements are forcing refiners to move into additional processes for production of high cetane diesel in order to meet the present ...
Rajasegar, Rajavasanth; Niki, Yoichi; Li, Zheming; García-Oliver, José M; Musculus, Mark P. B.(Elsevier, 2021)
[EN] The spatial and temporal locations of autoignition for direct-injection compression-ignition engines depend on fuel chemistry, temperature, pressure, and mixing trajectories in the fuel jets. Dual-fuel systems can ...
Pastor Soriano, José Vicente; Bermúdez, Vicente; García Oliver, José María; Ramírez Hernández, José Gustavo(Elsevier, 2011-09)
Glow plugs are currently the most employed solution to promote ignition in light-duty diesel engines during low temperature cold start. Improved knowledge about the mechanisms that control ignition and flame development ...
[EN] The present paper deals with the influence of fuel properties on the spray behaviour. This influence was studied
experimentally using a common rail injection system from a medium speed diesel engine. The experiments ...
Desantes Fernández, José Mª; Salvador Rubio, Francisco Javier; Carreres Talens, Marcos; Martínez López, Jorge(SAGE Publications (UK and US), 2015-03)
The cavitation phenomenon has a strong influence on the internal flow and spray development in diesel injector nozzles.
Despite its importance, there are many aspects which still remain unclear, especially for partial ...
García Martínez, Antonio; Monsalve-Serrano, Javier; Lago-Sari, Rafael; Tripathi, Shashwat(Elsevier, 2022-02-15)
[EN] To control the global warming by ensuring the greenhouse gas emissions reduction of the automotive sector, the standards or norms are getting ever stricter globally, specifically in the past few years. In view of this, ...
Roca Reina, Juan Carlos(Universitat Politècnica de València, 2016-09-08)
[ES] El trabajo realizado durante este TFG ha ido ligado a la mejora de un modelo
de diagnóstico de la combustión mediante una nueva propuesta de cálculo de la
temperatura adiabática de llama. Estas temperaturas suelen ...
This article describes a methodology for the optimization of a bottoming cycle as a waste heat recovering system in vehicles. The methodology is applied to two particular cases in order to evaluate the preliminary energetic ...
Prieto Bolinches, Jordi(Universitat Politècnica de València, 2020-06-01)
[ES] Este trabajo se dedica al diseño e implementación de una Unidad de Control de Motor (ECU) para el manejo de un motor de doble combustible GLP-Diésel. La ECU está implementada empleando la tarjeta de desarrollo STM32 ...
Gil García, Irene(Universitat Politècnica de València, 2016-12-28)
El objetivo del trabajo es la realización de cálculos CFD para la simulación de la evolución de un chorro Diesel en condiciones de motor. El alumno empleará un código CFD libre, el OPENFOAM, y será el encargado de configurar ...
Ruiz Lucas, María José(Universitat Politècnica de València, 2016-12-29)
[ES] El objetivo del trabajo es la realización de cálculos CFD para la simulación del movimiento del aire en el cilindro. En concreto, se simularán condiciones de trabajo de un motor de dos tiempos con accesos ópticos ...
González Montero, Lucas Antonio(Universitat Politècnica de València, 2017-10-03)
El objetivo del presente Trabajo de Fin de Máster es el estudio de la primera etapa de atomización de un chorro diésel mediante técnicas computacionales. Un análisis en profundidad de este proceso permitir´a entender con ...
Pagano, Vincenzo(Universitat Politècnica de València, 2017-08-29)
For the current Final Master Thesis, an investigation of a solenoid common-rail injector has been carried out to understand the hydraulic interactions between close-coupled injections events. For this purpose, a one-dimensional ...
Blanco Rodríguez, David(Universitat Politècnica de València, 2013-10-07)
La Tesis Doctoral estudia la observaci'on en tiempo real de la concentraci'on en el colector de escape de 'oxidos de nitr'ogeno (NOx) y del dosado en motores
diesel sobrealimentados (¿
'1
). Para ello se combinan dos ...