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Listar por palabra clave "Rate of injection"

Mostrando ítems 1-11 de 11

Analysis of counterbore effect in five diesel common rail injectors

Payri, Raul; Hardy, Gilles; Gimeno, Jaime; Bautista-Rodríguez, Abián (Elsevier, 2019-10)

[EN] The present work assesses how the nozzle geometry, particularly the counterbore which is used in gasoline direct injection, could improve the fuel mixture when injecting in diesel engines, and ultimately, increase the ...
Caracterización hidráulica de inyectores diésel multiorificio

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 ...
Development of an experimental testrig to characterize the ammonia injection process based on momentum flux

Cheddadi Rouchi, Omar (Universitat Politècnica de València, 2024-09-10)

[ES] Este trabajo se enmarca en el proyecto nacional TED DIGIAMMONIA (Análisis del potencial de un motor de amoníaco y aire enriquecido con oxígeno) que tiene como objetivo analizar el proceso de atomización y mezcla del ...
Estudio computacional con modelos Lagrangianos de las características macroscópicas y microscópicas de chorros líquidos de Urea-Agua para la reducción de NOx

Marco Gimeno, Javier (Universitat Politècnica de València, 2021-10-22)
Influence of aging of a diesel injector on multiple injection strategies

Payri, Raul; Marti-Aldaravi, Pedro; Montiel-Prieto, Tomas; Viera, Alberto (Elsevier, 2020-11-25)

[EN] Multiple injection strategies have contributed to the improvement of thermal processes in Internal Combustion Engines. On this matter, the correct performance of the injector is a critical factor in the implementation ...
Linking instantaneous rate of injection to X-ray needle lift measurements for a direct-acting piezoelectric injector

Viera-Sotillo, Juan Pablo; Payri, Raul; Swantek, Andrew B.; Duke, Daniel J.; Sovis, Nicolas; Kastengren, Alan L.; Powell, Christopher F. (Elsevier, 2016-03-15)

Internal combustion engines have been and still are key players in today's world. Ever increasing fuel consumption standards and the ongoing concerns about exhaust emissions have pushed the industry to research new concepts ...
Measurements of the mass allocation for multiple injection strategies using the rate of injection and momentum flux signals

Payri, Raul; Gimeno, Jaime; Marti-Aldaravi, Pedro; Viera, Alberto (SAGE Publications, 2021-04)

[EN] As legislations set very stringent environmental and fuel economy standards, researchers have pushed into a continuous development in all areas of the diesel engine. The recent evolution of the injection technologies ...
Nozzle rate of injection estimation from hole to hole momentum flux data with different fossil and renewable fuels

Payri, Raul; Bracho Leon, Gabriela; Soriano, J. A.; Fernández-Yáñez, P.; Armas, O. (Elsevier, 2020-11-01)

[EN] Due to environmental problems, research on fuel economy and pollutant emissions in internal combustion engines has drawn the attention of automobile manufacturers and researchers. The diesel engine is one of the most ...
Rate of injection measurements of a direct-acting piezoelectric injector for different operating temperatures

Payri, Raul; Gimeno, Jaime; Mata, Carmen; Viera-Sotillo, Alberto Antonio (Elsevier, 2017-12-15)

[EN] As the regulations for pollutant emissions in diesel engines are increasingly restrictive, the introduction of the piezoelectric direct-acting injectors seeks to improve the overall efficiency of the injection system, ...
Rate of injection modelling for gasoline direct injectors

Payri, Raul; Bracho Leon, Gabriela; Gimeno, Jaime; Bautista-Rodríguez, Abián (Elsevier, 2018)

[EN] Awareness of climate change, fossil fuel availability, and pollutants has been growing which have pushed forward the effort in cleaner engines. In this aspect, the gasoline engines have more improving margin than ...
Using momentum flux measurements to determine the injection rate of a commercial Urea Water Solution injector

Payri, Raul; Bracho Leon, Gabriela; Marti-Aldaravi, Pedro; Moreno-Gasparotto, Armando Enrique (Elsevier, 2021-08)

[EN] The Selective Catalytic Reduction (SCR) technology allows the transformation of the Nitrous Oxide emissions present in exhaust gases into gaseous nitrogen and water. For a proper operation of the SCR, a urea-water ...