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Browsing by Author "Bardi, Michele"

Now showing items 1-11 of 11

A study on diesel spray tip penetration and radial expansion under reacting conditions

Payri, Raul; García Oliver, José María; Xuan, Tiemin; Bardi, Michele (Elsevier, 2015-11-05)

The shape of Diesel spray was investigated at real engine conditions in a constant pressure combustion chamber. Schlieren imaging technique was used to make quantitative measurements of spray tip penetration and radial ...
Engine combustion network (ECN): characterization and comparison of boundary conditions for different combustion vessels

Meijer, Maarten; Somers, Bart; Johnson, Jaclyn; Naber, Jeffrey; Lee, Seong-Young; Malbec, Louis Marie; Bruneaux, Gilles; Pickett, Lyle M.; Bardi, Michele; Payri Marín, Raúl; Bazyn, Tim (Begell House, 2012)

The Engine Combustion Network (ECN) is a worldwide group of institutions using combustion vessels and/or performing computational fluid dynamics (CFD) simulation, whose aim is to advance the state of spray and combustion ...
Engine combustion network: comparison of spray development, vaporization, and combustion in different combustion vessels

Bardi, Michele; Payri Marín, Raúl; Malbec, Louis Marie; Bruneaux, Gilles; Pickett, Lyle M.; Manin, Julien; Bazyn, Tim; Genzale, Caroline (Begell House, 2012)

Development and mixing of Diesel sprays are long known to be key factors for combustion and pollutant emissions but the related measurements in a real engine is not an easy task. This fact led researchers to simulate ...
Engine combustion network: Influence of the gas properties on the spray penetration and spreading angle

Payri González, Francisco; Payri Marín, Raúl; Bardi, Michele; Carreres Talens, Marcos (Elsevier, 2014-02)

In this work, three Engine Combustion Network (ECN) single-hole nozzles with the same nominal characteristics have been tested under a wide range of conditions measuring spray penetration and spreading angle. n-Dodecane ...
Estudio de Caracterización de la Penetración de la Fase Vapor del Chorro Diesel, mediante la Técnica de Schlieren para un Inyector de Actuación Directa

Ferrández Hermosilla, Moisés (2021-06-17)

[ES] La consecución de este proyecto tiene como finalidad la consecución de los siguientes objetivos: El primero es la necesidad académica de realizar un Proyecto Final de Carrera para la obtención del título de ...
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 Evaluation of the Best Approach for Diesel Spray Images Segmentation

Macian Martinez, Vicente; Payri, Raul; García Martínez, Antonio; Bardi ., Michele (Society for Experimental Mechanics, 2011)

[EN] In this article, two of the most used methods for diesel spray macroscopic characterization are presented; the first one is the likelihood ratio test method (LRT) and the second one is the Otsu's thresholding method ...
Experimental study of the relationship between injection rate shape and Diesel ignition using a novel piezo-actuated direct-acting injector

Macian Martinez, Vicente; Payri Marín, Raúl; Ruiz Rosales, Santiago; Bardi, Michele; Plazas, Alejandro H. (Elsevier, 2014-04-01)

Injection rate shaping is one of the most attractive alternatives to multiple injection strategies; however, its implementation has been for long time impeded by limitations in the injector technology and therefore, the ...
Fuel temperature influence on diesel sprays in inert and reacting conditions

Payri Marín, Raúl; García Oliver, José María; Bardi, Michele; MANIN, JULIEN (Elsevier, 2012-03)

The detailed knowledge of the evaporationecombustion process of the Diesel spray is a key factor for the development of robust injection strategies able to reduce the pollutant emissions and keep or increase the combustion ...
PARTIAL NEEDLE LIFT AND INJECTION RATE SHAPE EFFECT ON THE FORMATION AND COMBUSTION OF THE DIESEL SPRAY

Bardi, Michele (Universitat Politècnica de València, 2014-05-12)

Fuel direct injection represents one of the key turning points in the development of the Diesel engines. The appeal of this solution has been growing thanks to the parallel advancement in the technology of the injection ...
Study liquid length penetration results obtained with a direct acting piezo electric injector

Payri, Raul; Gimeno, Jaime; Bardi, Michele; Plazas, Alejandro H. (Elsevier, 2013-06)

A state of the art prototype common rail injector featuring direct control of the needle by means of a piezo stack (direct acting) has been tested. Liquid phase penetration of the sprays in diesel engine-like conditions ...