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Listar por autor "Martínez Hernándiz, Pablo José"

Mostrando ítems 1-8 de 8

Advantages of the unscavenged pre-chamber ignition system in turbocharged natural gas engines for automotive applications

López, J. Javier; Novella Rosa, Ricardo; Gómez-Soriano, Josep; Martínez-Hernándiz, Pablo José; Rampanarivo, F.; Libert, C.; Dabiri, M. (Elsevier, 2021-03-01)

[EN] In view of the increasing restrictions for CO2 mitigation, the evaluation of alternative fuels to ensure sustainability of transportation is becoming increasingly important. Since some of these alternatives can be ...
An experimental and one-dimensional modeling analysis of turbulent gas ejection in pre-chamber engines

García-Oliver, José M; Niki, Y.; Rajasegar, R.; Novella Rosa, Ricardo; Gómez-Soriano, Josep; Martínez-Hernándiz, Pablo José; Li, Z.; Musculus, M. P. B. (Elsevier, 2021-09-01)

[EN] Experimental results from a study on the evolution of gas jets ejected through the orifices of a pre-chamber in a heavy-duty optical engine are presented. The work examines conditions without fuel inside the main-chamber, ...
Computational Methodology for Knocking Combustion Analysis in Compression-Ignited Advanced Concepts

Serrano, J.R.; Novella Rosa, Ricardo; Gómez-Soriano, Josep; Martínez-Hernándiz, Pablo José (MDPI AG, 2018-10)

[EN] In the present work, a numerical methodology based on three-dimensional (3D) computational fluid dynamics (CFD) was developed to predict knock in a 2-Stroke engine operating with gasoline Partially Premixed Combustion ...
Evaluación de un sistema de ignición por precámara para motores de encendido provocado de automoción

Martínez Hernándiz, Pablo José (Universitat Politècnica de València, 2019-10-21)

[ES] El concepto de encendido por precámara es una estrategia atractiva para permitir el funcionamiento de motores de encendido provocado (MEP) en condiciones de mezcla pobre o con tasas de EGR medias/altas, manteniendo ...
Evaluación del efecto de la relación carrera/diámetro en las prestaciones y emisiones de un motor hsdi diésel mediante modelado CFD

Martínez Hernándiz, Pablo José (Universitat Politècnica de València, 2016-06-09)

Proyecto Confidencial (Riunet)
Evaluation of the passive pre-chamber ignition concept for future high compression ratio turbocharged spark-ignition engines

Benajes, Jesús; Novella Rosa, Ricardo; Gómez-Soriano, Josep; Martínez-Hernándiz, Pablo José; Libert, C.; Dabiri, M. (Elsevier, 2019-08-15)

[EN] The pre-chamber ignition concept is an attractive strategy to enable the operation of spark-ignition engines in lean or diluted conditions keeping a suitable combustion process. According to the results the benefits ...
Implementation and Analysis of the Pre-Chamber Ignition Concept in a SI Engine for Passenger Car Applications

Martínez Hernándiz, Pablo José (Universitat Politècnica de València, 2024-01-15)

[ES] El aumento global de las emisiones de gases de efecto invernadero desde el inicio de la Revolución Industrial se ha convertido en un grave peligro para la vida humana. Además de la generación de energía y la industria, ...
Improving the performance of the passive pre-chamber ignition concept for spark-ignition engines fueled with natural gas

Novella Rosa, Ricardo; Gómez-Soriano, Josep; Martínez-Hernándiz, Pablo José; Libert, C.; Rampanarivo, F. (Elsevier, 2021-04-15)

[EN] Passive pre-chamber ignition concept has been proven to be an excellent strategy to increase the ignition energy and enhance the combustion velocity even when spark-ignition engines are operating in diluted conditions. ...