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Listar por palabra clave "ECN"

Mostrando ítems 1-13 de 13

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 ...
Atomización y mezcla en toberas de inyección directa de gasolina (GDi) en condiciones realistas de motor

Bermejo López, Laura (Universitat Politècnica de València, 2020-10-29)

[ES] Los sistemas de inyección directa de gasolina (GDi) están cobrando especial relevancia desde hace unos años en el campo de la automoción con motor de combustión interna alternativos. La optimización de estos sistemas ...
ECN Spray G External Spray Visualization and Spray Collapse Description through Penetration and Morphology Analysis

Payri, Raul; Salvador, Francisco Javier; Marti-Aldaravi, Pedro; Vaquerizo, Daniel (Elsevier, 2017-02-05)

[EN] Inside a DISI engine, a wide range of pressure and temperature conditions are possible, and with the current evolution of the systems, many of the conditions are subject to be encountered at the moment of injection. ...
Estudio experimental de visualización de chorros Diesel con los inyectores Spray B, C y D de la Engine Combustion Network

Morales López, Andrés (Universitat Politècnica de València, 2018-10-17)

En los últimos tiempos ha habido un gran interés en la investigación coordinada entre distintos centros internacionales como modo de reducir incertidumbres y realizar comparativas más significativas entre resultados. La ...
Eulerian CFD modeling of nozzle geometry effects on ECN Sprays A and D: assessment and analysis

Pandal, Adrián; García-Oliver, José M; Pastor Enguídanos, José Manuel (SAGE Publications, 2020-01)

[EN] Diesel spray modeling is a multi-scale problem with complex interactions between different flow regions, that is, internal nozzle flow, near-nozzle region and developed spray, including evaporation and combustion. ...
Experimental characterization of diesel ignition and lift-off length using a single-hole ECN injector

Benajes Calvo, Jesus Vicente; Payri Marín, Raúl; Bardi, Michele; Marti-Aldaravi, Pedro (Elsevier, 2013-09)

In this work, lift-off length and ignition delay have been measured via chemiluminescence techniques in a wide range of conditions for a single-hole injector from the Engine Combustion Network (ECN) dataset and using a ...
Experimental study of the diesel spray behavior during the jet-wall interaction at high pressure and high temperature conditions

Peraza Ávila, Jesús Enrique (Universitat Politècnica de València, 2020-09-02)

[EN] The potential of diesel engines in terms of robustness, efficiency and energy density has made them widely used as power generators and propulsion systems. Specifically, fuel atomization, vaporization and air-fuel ...
Experimental validation and analysis of seven different chemical kinetic mechanisms for n-dodecane using a Rapid Compression-Expansion Machine

Desantes, J.M.; López, J. Javier; García-Oliver, José M; López-Pintor, Darío (Elsevier, 2017-08)

[EN] Seven different chemical kinetic mechanisms for n-dodecane, two detailed and five reduced, have been evaluated under Engine Combustion Network (ECN) thermodynamic conditions by comparison to experimental measurements ...
LES study on spray combustion with renewable fuels under ECN Spray-A conditions

Mira Martínez, Daniel; Pérez-Sánchez, Eduardo J.; Surapaneni, Anurag; Benajes, Jesús; García-Oliver, José M; Pastor Enguídanos, José Manuel; De Leon-Ceriani, Daiana (American Society of Mechanical Engineers (ASME), 2021-10-15)

[EN] Poly-Oxymethylene Dimethyl Ethers (OMEx) are being intensively investigated because of their potentially renewable synthesis path, which make them suitable as liquid fuels for low-carbon transport applications. In the ...
Numerical Modeling of Reacting Sprays

Moreno Arjona, Fernando (Universitat Politècnica de València, 2020-10-29)

[ES] Simular el comportamiento del Spray A de acuerdo a la ECN (Engine Combustion Network), haciendo uso de la herramienta OpenFOAM. Realizar la configuración experimental completa,con el fin de estudiar la capacidad de ...
Simulación CFD del flujo en la tobera en el proceso de inyección GDi

Vía Khay, Saúl (Universitat Politècnica de València, 2020-07-22)

[ES] Los sistemas de inyección directa de gasolina (GDi) están cobrando especial relevancia desde hace unos años en el campo de la automoción con motor de combustión interna alternativos. La optimización de estos sistemas ...
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 ...
Unsteady Flamelet modeling study on OMEx-type fuels under Engine Combustion Network Spray A conditions

Benajes, Jesús; García-Oliver, José M; Pastor Enguídanos, José Manuel; De Leon-Ceriani, Daiana (Elsevier, 2023-01-01)

[EN] Poly-Oxymethylene Dimethyl Ethers OMEx are synthetic and potentially-renewable fuels that lead to a notable reduction of the lifecycle CO2 emissions while promoting lower soot emissions than conventional Diesel fuel. ...