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Listar por palabra clave "Spray A"

Mostrando ítems 1-15 de 15

Advanced CFD modeling of a diesel-like spray in reacting condition

Rovira Sacie, Marc (Universitat Politècnica de València, 2015-11-09)

The aim of the present project is to study the turbulent combustion pro-cess in a diesel-like spray by means of CFD modeling. In order to do so a pre-existing unsteady flamelet / progress variable (UFPV) model based on the ...
Application of a flamelet-based CFD combustion model to the LES simulation of a diesel-like reacting spray

Desantes, J.M.; García-Oliver, José M; Novella Rosa, Ricardo; Pérez-Sánchez, E.J. (Elsevier, 2020-03-30)

[EN] Spray A from ECN, representative of diesel-like sprays, is modelled in the frame of Large-Eddy Simulations (LES) with a Dynamic Structure (DS) turbulence model in conjunction with an Unsteady Flamelet Progress Variable ...
Application of an unsteady flamelet model in a RANS framework for spray A simulation

Desantes, J.M.; García-Oliver, José M.; Novella Rosa, Ricardo; Pérez-Sánchez, Eduardo Javier (Elsevier, 2017)

[EN] In the present investigation the Spray A reference configuration defined in the framework of the Engine Combustion Network (ECN) has been modeled by means of an Unsteady Flamelet Model (USFM) including detailed ...
Combined experimental and numerical studies on soot characteristics of diesel sprays with split injection strategies

Xuan, Tiemin; Maes, Noud; García-Oliver, José M; De Leon-Ceriani, Daiana; Pachano-Prieto, Leonardo Manuel; He, Zhixia (Elsevier, 2022-12)

[EN] Experimental and numerical studies on the soot characteristics of Spray A flames were conducted with a focus on the effects of different split injection strategies in high-pressure high-temperature vessels within the ...
Computational study on OMEx-type fuels under ECN Spray A conditions

de Leon Ceriani, Daiana (Universitat Politècnica de València, 2021-10-20)

[ES] Dado el creciente aumento en el consumo enérgico y los cada vez más restrictivos objetivos de reducción de gases de efecto invernadero, es necesario, entre otras medidas medioambientales, disminuir el consumo de la ...
Evaluation by Detailed CFD Modelling of the Effect of Renewable Fuels on the Flame Structure under Compression Ignition Engine Conditions

de León Ceriani, Daiana (Universitat Politècnica de València, 2024-07-19)

[ES] El alto impacto del sector transporte respecto a las emisiones globales de CO2 y su efecto en el cambio climático ha llevado a que éste transite hacia tecnologías más eficientes y medioambientalmente sostenibles. Sin ...
Generalizing progress variable definition in CFD simulation of combustion systems using tabulated chemistry models

Rahnama, Pourya; Maghbouli, Amin; Bao, Hesheng; Vasavan, Aromal; Novella Rosa, Ricardo; Somers, Bart (Elsevier Ltd, 2023-06)

[EN] In the Computational Fluid Dynamics (CFD) simulation of advanced combustion systems, the chemical kinetics must be examined in detail to predict the emissions and performance characteristics accurately. Nevertheless, ...
Influence of the chemical mechanism in the frame of diesel-like CFD reacting spray simulations using a presumed PDF flamelet-based combustion model

Payri González, Francisco; García Oliver, José María; Novella Rosa, Ricardo; Pérez Sánchez, Eduardo Javier (Editorial Universitat Politècnica de València, 2017-07-28)

[EN] The ability of a computational fluid dynamics (CFD) simulation to reproduce the diesel-like reacting spray ignition process and its corresponding flame structure strongly depends on both the fidelity of the chemical ...
Influence of the n-dodecane chemical mechanism on the CFD modelling of the diesel-like ECN Spray A flame structure at different ambient conditions

Payri, F.; García-Oliver, José M; Novella Rosa, Ricardo; Pérez-Sánchez, Eduardo Javier (Elsevier, 2019-10)

[EN] Encouraged by the diversity of n-dodecane chemical mechanisms currently available, this investigation focuses on analysing the impact of using different fuel oxidation schemes on the diesel-like Engine Combustion ...
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 ...
Modelado cfd del proceso de inyeccion del chorro diesel en una maqueta de presion constante bajo condiciones reales de motor (alta presión y alta temperatura) con el software converge 2.1

Sánchez de la Iglesia, Adrián (Universitat Politècnica de València, 2014-06-04)

[ES] El presente documento trata del análisis uidodinámico computacional (CFD) en 3-D del chorro diésel inyectado a través de la tobera de un inyector de nido para investigación por el grupo Engine Combustion Network ...
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 ...
Soot temperature characterization of spray a flames by combined extinction and radiation methodology

Xuan, Tiemin; Desantes J.M.; Pastor, José V.; García-Oliver, José M (Elsevier, 2019-06)

[EN] Even though different optical techniques have been applied on 'Spray A' in-flame soot quantification within Engine Combustion Network in recent years, little information can be found for soot temperature measurement. ...
Understanding the diesel-like spray characteristics applying a flamelet-based combustion model and detailed large eddy simulations

Pérez-Sánchez, Eduardo J.; García-Oliver, José M; Novella Rosa, Ricardo; Pastor Enguídanos, José Manuel (SAGE Publications, 2020-01)

[EN] This investigation analyses the structure of spray A from engine combustion network (ECN), which is representative of diesel-like sprays, by means of large eddy simulations and an unsteady flamelet progress variable ...
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. ...