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Listar por palabra clave "Nozzle geometry"

Mostrando ítems 1-6 de 6

A study on the relationship between internal nozzle geometry and injected mass distribution of eight ECN Spray G nozzles

Matusik, Katarzyna; Duke, Daniel; Sovis, Nicholas; Swantek, Andrew; Powell, Christopher; Payri, Raul; Vaquerizo, Daniel; Giraldo Valderrama, Jhoan Sebastián; Kastengren, Alan (Editorial Universitat Politècnica de València, 2017-07-28)

[EN] Gasoline direct injection (GDI) nozzles are manufactured to meet geometric specifications with length scales on the order of a few hundred microns. The machining tolerances of these nominal dimensions are not always ...
An experimental study with renewable fuels using ECN Spray A and D nozzles

Pastor, José V.; García-Oliver, José M; Micó, Carlos; Garcia-Carrero, Alba Andreina (SAGE Publications, 2021)

[EN] The decarbonization process of the automotive industry and the road transport sector has raised the interest on the development of cleaner fuels. A proper characterization of their properties and behavior under different ...
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 ...
Engine combustion network (ECN): measurements of nozzle geometry and hydraulic behavior

Kastengren, Alan L; Tilocco, F. Zak; Powell, Christopher F.; Manin, Julien; Pickett, Lyle; Payri Marín, Raúl; Bazyn, Tim (Begell House, 2012)

[EN] Despite the importance of sprays to engine combustion, understanding has been hampered by the sensitivity of spray behavior to unknown nozzle geometry effects. The Engine Combustion Network (ECN) collaboration has ...
Study on Advanced Spray-Guided Gasoline Direct Injection Systems

Vaquerizo Sánchez, Daniel (Universitat Politècnica de València, 2018-03-22)

Resumen Los sistemas de inyección directa han sido uno de los principales puntos focales de la investigación en motores, particularmente en sistemas Diésel, donde la geometría interna, movimiento de aguja y comportamiento del ...
Using a one-dimensional spray model to improve liquid length and ignition delay estimations for diesel flames

Payri, Raul; Salvador, F.J.; De La Morena, Joaquín; Pagano, Vincenzo (Elsevier, 2017)

[EN] In the current paper, a methodology based on the combination of a one-dimensional spray model and experimental correlations has been proposed to predict the physical time associated with ignition delay in diesel ...