[ES] La realización de este trabajo tiene como finalidad la consecución de objetivos diferentes entre los cuales se encuentra, proporcionar un estudio para la marca automovilística francesa Renault (en la figura 1.2 tenemos ...
[ES] El presente estudio pretende llegar a la mejora de conocimiento del
comportamiento de los inyectores del tipo Bosch CRI2.20.
Gran parte del proyecto está enfocado hacia la metodología usada para la
realización ...
Lozano Antón, Alejandro(Universitat Politècnica de València, 2018-09-07)
El presente trabajo es un estudio del flujo interno de combustibles líquidos a su paso por la tobera de inyección de un inyector mediante técnicas CFD. Para llevarlo a cabo, se han seleccionado tres combustibles diferentes ...
López, J. Javier; Salvador Rubio, Francisco Javier; De La Garza De Leon, Oscar; Arregle, Jean Joseph Pierre(SAGE Publications (UK and US), 2012)
A methodology to characterise the pressure losses in quasi-steady conditions (i.e. at
full needle lift) of common rail diesel injectors was developed. The aim was to quantify the
error when experimental results of nozzle ...
Payri, Raul; Salvador, F.J.; García Martínez, Antonio; Gil, A.(American Chemical Society, 2012-07)
[EN] Evaporating diesel sprays from three different multi-hole nozzles have been studied by means of three different and complementary techniques: Mie scattering, double-pass schlieren, and CH radical chemiluminescence. ...
Macian Martinez, Vicente; Salvador, Francisco Javier; De La Morena, Joaquín; Pagano, V.(Elsevier, 2021-10)
[EN] In the current work, the combustion process inside a stratified pre-chamber ignition system is analyzed. The pre-chamber is installed on a Rapid Compression-Expansion Machine (RCEM) and runs at different combinations ...
Salvador, Francisco Javier; De La Morena, Joaquín; Crialesi Esposito, Marco; Martínez López, Jorge(SAGE Publications, 2018)
[EN] The motion of the needle during the injection process of a diesel injector has a marked influence on the internal flow, the fuel characteristics at the nozzle exit, the spray pattern and the fuel-air mixing process. ...
Salvador, Francisco Javier; Gimeno, Jaime; De La Morena, Joaquín; Carreres, Marcos(Springer-Verlag, 2018)
[EN] The geometry of certain parts of diesel injectors is key to the injection, atomization and fuel-air mixing phenomena. Small variations on the geometrical parameters may have a strong influence on the aforementioned ...
Salvador Rubio, Francisco Javier; Carreres Talens, Marcos; Jaramillo Císcar, David; Martínez López, Jorge(Elsevier, 2015-10)
A computational study focused on the inner nozzle flow and cavitation phenomena has been reported in this paper in order to investigate the two most common types of diesel injector nozzles at the present: microsac and valve ...
Salvador Rubio, Francisco Javier; Plazas Torres, Alejandro Hernán; Gimeno García, Jaime; Carreres Talens, Marcos(SAGE Publications (UK and US), 2014-01)
An experimental and computational study of an increasingly used third-generation common-rail injection system with a
piezo actuator has been carried out. A complete characterization of the different elements of the system, ...
González Montero, Lucas Antonio(Universitat Politècnica de València, 2022-12-12)
[ES] El proceso de atomización primaria es el mecanismo por el cual una vena líquida se disgrega en un ambiente gaseoso. Este proceso está presente en muchas aplicaciones de ingeniería realizando diferentes tareas. En ...
Salvador, Francisco Javier; Carreres, Marcos; De La Morena, Joaquín; Martínez-Miracle-Muñoz, Enrique Carlos(Elsevier, 2018)
[EN] This paper conducts an investigation on the temperature variations experienced by the fuel when it expands through the calibrated orifices of a commercial diesel injector. Experimental results of the temperature change ...
Salvador, Francisco Javier; De La Morena, Joaquín; Bracho Leon, Gabriela; Jaramillo-Císcar, David(Springer-Verlag, 2018)
[EN] Currently, diesel engines are calibrated using more and more complex multiple injection strategies. Under these conditions, the characteristics of the flow exiting the fuel injector are strongly affected by the transient ...
Salvador Rubio, Francisco Javier; Martínez López, Jorge; Romero Bauset, José Vicente; Roselló Ferragud, María Dolores(Elsevier, 2013-04)
Firstly, the code has been validated at real operating diesel engine conditions with experimental data in terms of mass flow, momentum flux and effective velocity, showing that the model is able to predict with a high level ...
Salvador, Francisco Javier; Pastor Enguídanos, José Manuel; De La Morena, Joaquín; Martínez-Miracle-Muñoz, Enrique Carlos(Elsevier, 2020-08)
[EN] The present work analyses the effect of the eccentricity of diesel nozzle orifices over the spray behaviour by means of CFD simulations. Several orifice geometries with varying horizontal eccentricity (from 0.50 to ...
Salvador Rubio, Francisco Javier; Ruiz Rosales, Santiago; Salavert Fernández, José Miguel; De La Morena Borja, Joaquín(SAGE Publications (UK and US), 2013-08)
A study of the injection process and spray behaviour was made for three different fuels. In particular, blends of rapeseed methyl ester and standard diesel fuel with 5% and 30% biodiesel were used for the current study, ...
López Sánchez, José Javier; Salvador Rubio, Francisco Javier; Martín Díaz, Jaime; Guardiola García, Carlos(Editorial Universitat Politècnica de València, 2015-11-09)
La presente obra, a través de cuestiones y problemas resueltos, aborda los fundamentos de las turbomáquinas, así como los ciclos y la tecnología de los motores de turbina de vapor, los de turbina de gas y los ciclos ...