Desantes Fernández, José Mª; García Oliver, José María; Pastor Enguídanos, José Manuel; Pandal-Blanco, Adrián(Begell House, 2016)
[EN] A comparison between the Σ-Y atomization model and a classical DDM approach has been carried out for diesel spray
CFD simulations. The Σ-Y model, originally proposed by Vallet and Borghi (1999), is based on an Eulerian ...
Pandal-Blanco, Adrián; García-Oliver, José M; Novella Rosa, Ricardo; Pastor Enguídanos, José Manuel(Elsevier, 2018)
[EN] An implementation and validation of the coupled Sigma-gamma ADF model is presented in this work for reacting Diesel spray CFD simulations under a RANS turbulence modeling approach. An Approximated Diffusion Flamelet ...
Benajes, Jesús; Novella Rosa, Ricardo; Pastor Enguídanos, José Manuel; Hernández-López, A.; Duverger, T.(Elsevier, 2017-11-01)
[EN] Research on combustion systems for Internal Combustion Engines (ICE) is guided by the necessity of improving
engine efficiency while achieving the pollutant regulations. In this framework, this study identifies and ...
Pandal-Blanco, Adrián; Pastor Enguídanos, José Manuel; García Oliver, José María; Baldwin, E.; Schmidt, D.P.(Elsevier, 2016-07)
Despite great practical interest in how sprays emanate from fuel injectors, the near-nozzle region has
remained a challenge for spray modelers. Recently, Eulerian models have shown promise in capturing
the fast gas-liquid ...
Pachano, Leonardo; Xu, Chao; García-Oliver, José M; Pastor Enguídanos, José Manuel; Novella Rosa, Ricardo; Kundu, Prithwish(Elsevier, 2021-09)
[EN] Soot production (including formation and oxidation) is studied in the transient, high-pressure and turbulent n -dodecane Spray A flames from the Engine Combustion Network (ECN) using computational fluid dynamics (CFD) ...
Olmeda Ramiro, Iván(Universitat Politècnica de València, 2020-12-19)
[ES] El estudio sobre los sistemas de combustión y la inyección de combustibles líquidos es un tema fundamental para el diseño de novedosos sistemas de propulsión, entre los que se encuentra el concepto Lean Direct Injection ...
Pandal, A.; Pastor Enguídanos, José Manuel; Payri, Raul; Kastengren, Alan; Duke, Daniel J.; Matusik, Katarzyna E; GIRALDO-VALDERRAMA, JHOAN SEBASTIAN; Powell, Christopher F.; Schmidt, D.(SAE International, 2017)
[EN] The dense spray region in the near-field of diesel fuel injection remains an enigma. This region is difficult to interrogate with light in the visible range and difficult to model due to the rapid interaction between ...
Benajes, Jesús; Novella Rosa, Ricardo; Pastor Enguídanos, José Manuel; Hernández-López, Alberto; Kokjohn, Sage L.(Elsevier, 2018)
[EN] An optimization methodology based on a genetic algorithm coupled with the KIVA computational fluid dynamics (CFD) code is applied to the design of a combustion system of a heavy-duty diesel engine fueled with dimethyl ...
Benajes, Jesús; Novella Rosa, Ricardo; Pastor Enguídanos, José Manuel; Hernández-López, Alberto; Kokjohn, Sage L.(Elsevier, 2018)
[EN] A genetic algorithm optimization methodology is applied to the design of the combustion system of a heavy-duty diesel engine fueled with dimethyl ether (DME). The optimization includes the key combustion system related ...
García-Oliver, José M; Novella Rosa, Ricardo; Pastor Enguídanos, José Manuel; Pachano-Prieto, Leonardo Manuel(Elsevier, 2020-12)
[EN] The combustion process of the Engine Combustion Network (ECN) Spray A and Spray D is studied over a wide range of ambient temperatures from 750 K to 900 K. With nominal diameters of 89.4 ¿m for the Spray A and 190.3 ...
Salvador, Francisco Javier; Pastor Enguídanos, José Manuel; De La Morena, Joaquín; Martínez-Miracle-Muñoz, Enrique Carlos(Elsevier, 2020-08)
[EN] The present work analyses the effect of the eccentricity of diesel nozzle orifices over the spray behaviour by means of CFD simulations. Several orifice geometries with varying horizontal eccentricity (from 0.50 to ...
Desantes Fernández, José Mª; García Oliver, José María; Pastor Enguídanos, José Manuel; Pandal-Blanco, Adrián; Baldwin, E.; Schmidt, D. P.(Elsevier, 2016-04)
This work evaluates the performance of the Σ-Y Eulerian atomization
model at reproducing the internal structure of a diesel spray in the near-
field. In the study, three different computational domains have been used ...
Carrillo Cayuela, Jaime(Universitat Politècnica de València, 2018-11-20)
[ES] El alumno se encargará de optimizar un modelo de evaporación tipo LHF para sprays, tanto física como numéricamente, implementado en un código CFD. Posteriormente se aplicará para realizar simulaciones de mezcla ...