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Listar por palabra clave "Eulerian"

Mostrando ítems 1-13 de 13

A comparison of diesel sprays CFD modeling approaches: DDM versus Sigma-Y Eulerian atomization model

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 ...
A computational analysis of local flow for reacting Diesel sprays by means of an Eulerian CFD model

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 ...
A consistent, scalable model for Eulerian spray modeling

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 ...
A recent eulerian langrarian CFD methodology for modeling direct injection diesel sprays

Desantes Fernández, José Mª; Hoyas Calvo, Sergio; Gil Megías, Antonio; Khuong, Anh Dung; Ravet, Frederic (World Scientific Publishing, 2014-06)

[EN] The global objective of this work is to show the capabilities of the Eulerian Lagrangian spray atomization (ELSA) model for the simulation of Diesel sprays in cold starting con- ditions. Our main topic is to focus ...
Coupled/decoupled spray simulation comparison of the ECN spray a condition with the Sigma-Y Eulerian atomization model

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 ...
Desarrollo de un modelo computacional para el estudio simultáneo de flujo interno y atomización y mezcla del chorro diésel

Martí Gómez-Aldaraví, Pedro (Universitat Politècnica de València, 2013-03-09)

[ES] Se ha desarrollado un nuevo modelo computacional en OpenFOAM capaz de calcular el flujo interno (no cavitante) y el flujo externo (en condiciones correspondientes a elevados números de Reynolds y Weber) del proceso ...
Diesel spray CFD simulations based on the sigma-Y eulerian atomization model

García Oliver, José María; Pastor Enguídanos, José Manuel; Pandal Blanco, Adrián; Trask, N.; Baldwin, E.; Schmidt, D.P. (Begell House, 2013)

[EN] This work presents an implementation and evaluation of the Sigma-Y atomization model for Diesel spray CFD simulations. The Sigma-Y model is based on an Eulerian representation of the spray atomization and dispersion ...
Effect of turbulence model and inlet boundary condition on the Diesel spray behavior simulated by an Eulerian Spray Atomization (ESA) model

Salvador Rubio, Francisco Javier; Gimeno García, Jaime; Pastor Enguídanos, José Manuel; Martí Aldaraví, Pedro (Elsevier, 2014-10)

Simulating liquid spray first and second atomization is not an easy task. Many models have been developed over the past years, but Eulerian ones have proved their better performance for the dense zone of the spray. In this ...
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. ...
LES Eulerian diffuse-interface modeling of fuel dense sprays near- and far-field

Desantes Fernández, José Mª; García-Oliver, José M; Pastor Enguídanos, José Manuel; Olmeda-Ramiro, Iván; Pandal, A.; Naud, B. (Elsevier, 2020-06)

[EN] Engine fuel spray modeling still remains a challenge, especially in the dense near-nozzle region. This region is difficult to experimentally access and also to model due to the complex and rapid liquid and gas ...
Optimization of spray break-up CFD simulations by combining Sigma-Y Eulerian atomization model with a response surface methodology under diesel engine-like conditions (ECN Spray A)

Pandal-Blanco, Adrián; Payri, Raul; García-Oliver, José M; Pastor Enguídanos, José Manuel (Elsevier, 2017)

[EN] This work evaluates the performance of the Sigma-Y Eulerian atomization model at reproducing the internal structure of a diesel spray with a special focus on Sauter Mean Diameter (SMD) predictions. Modeling results ...
The Eulerian-Lagrangian Spray Atomization (ELSA) Model of the Jet Atomization in CFD Simulations: Evaluation and Validation

Khuong ., Anh Dung (Universitat Politècnica de València, 2012-09-27)

Fuel sprays play a major role in order to achieve the required combustion characteristics and pollutant emissions reduction on internal combustion engines, and thus, an accurate prediction of its behavior is required to ...
Validation of a three-phase Eulerian CFD model to account for cavitation and spray atomization phenomen

Payri, Raul; Gimeno, Jaime; Marti-Aldaravi, Pedro; Martínez-García, María (Springer-Verlag, 2021-04)

[EN] Cavitation phase change phenomenon appears in many engineering applications, often eroding and damaging surfaces, so deteriorating the performance of devices. Therefore, it is a phenomenon of great interest for the ...