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 ...
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 ...
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 ...
Benajes Calvo, Jesus Vicente; García Martínez, Antonio; Pastor Enguídanos, José Manuel; Monsalve Serrano, Javier(Elsevier, 2016-03-01)
This work investigates the effects of the piston bowl geometry on RCCI (Reactivity Controlled Compression Ignition) heat transfer and combustion losses and its repercussion on the engine efficiency. For this purpose, three ...
Zaragozá Simó, José(Universitat Politècnica de València, 2020-10-13)
[ES] Formula Student es una competición a nivel mundial entre universidades que diseñan, construyen y ponen en marcha un monoplaza tipo fórmula y todo lo que lo rodea. La UPV es una de las universidades participantes.
Una ...
Martínez-Miracle Muñoz, Enrique Carlos(Universitat Politècnica de València, 2019-10-29)
[ES] En los motores de combustión interna, el sistema de inyección representa una parte fundamental de la generación, tanto de la potencia y eficiencia energética, como en las emisiones contaminantes resultantes. Los ...