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Listar por palabra clave "Injector"

Mostrando ítems 1-11 de 11

A study on the needle lift influence over spray development for a prototype diesel direct acting piezoelectric injector

Viera Sotillo, Juan Pablo (Universitat Politècnica de València, 2014-05-19)

[ES] sta investigación consite en un estudio experimental para observar el desempeño hidráulico y evaporativo del inyector bajo distintas condiciones de levantamiento de aguja y varios perfiles de levantamiento. Se presentan ...
Caracterización de un inyector de turbina Pelton mediante modelado con técnicas de dinámica de fluidos computacional

Peron, Ewen (Universitat Politècnica de València, 2021-07-30)

[ES] Los sistemas de inyección en las turbinas hidráulicas de acción son complejos debido a las exigencias de la industria en materia de eficiencia y durabilidad. El objetivo de este trabajo es analizar el principio de ...
Comparison of different techniques for characterizing the diesel injector internal dimensions

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 ...
Complete modelling of a piezo actuator last-generation injector for diesel injection systems

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, ...
Computational assessment of temperature variations through calibrated orifices subjected to high pressure drops: application to diesel injection nozzles

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 ...
Determination of critical operating and geometrical parameters in diesel injectors through one dimensional modelling, design of experiments and an analysis of variance

Salvador, Francisco Javier; Carreres, Marcos; Crialesi Esposito, Marco; Plazas Torres, Alejandro Hernán (SAGE Publications, 2018)

[EN] In this paper, a design of experiments and a statistical analysis of variance (ANOVA) are performed to determine the parameters that have more influence on the mass flow rate profile in diesel injectors. The study has ...
Developement of a splitter plate-sensor for a plane parallel injector

Arévalo Villa, Luis (Universitat Politècnica de València, 2016-04-08)

Considering that there is only limited practical experience and data on the use of Methane and Oxygen, it is important to better understand the influences on the combustion process of this propellant combination and its ...
Estudio computacional de la influencia de parámetros geométricos y físicos en el flujo interno y fenómeno de la cavitación en inyectores Diésel

Jaramillo Císcar, David (Universitat Politècnica de València, 2015-06-09)

[EN] Techniques from computational fluid dynamics (CFD) have been used to study Diesel injection process focus in the inner flow. The study has been perfmed taking into account different important physical and geometrical ...
Estudio y propuesta de estrategias para reducir consumos energéticos y minimizar la huella ambiental en la fabricación de piezas de automoción de OPmobility Valencia

Peiró González, Aurora (Universitat Politècnica de València, 2024-09-10)

[ES] OPmobility, especializada en la inyección de plásticos para la fabricación de piezas de automoción, enfrenta el desafío de optimizar su consumo de recursos en línea con su objetivo de neutralidad de carbono para 2025, ...
Using one-dimensional modeling to analyse the influence of the use of biodiesels on the dynamic behavior of solenoid-operated injectors in common rail systems: Detailed injection system model

Payri Marín, Raúl; Salvador Rubio, Francisco Javier; Marti Aldaravi, Pedro; Martínez López, Jorge (Elsevier, 2012-02)

A combined experimental and computational investigation has been performed in order to evaluate the influence of physical properties of biodiesel on the injection process in a common-direct injection system with second ...
Using one-dimensional modeling to analyze the influence of the use of biodiesels on the dynamic behavior of solenoid-operated injectors in common rail systems: Results of the simulations and discussion

Salvador Rubio, Francisco Javier; Gimeno García, Jaime; Morena Borja, Joaquín de la; Carreres Talens, Marcos (Elsevier, 2012-02)

The influence of using biodiesel fuels on the hydraulic behavior of a solenoid operated common rail injection system has been explored by means of a one-dimensional model. This model has been previously obtained, including ...