[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 ...
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 ...
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 ...
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 ...
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 ...
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, ...
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 ...