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Browsing by Author "Bermúdez Tamarit, Vicente Remigio"

Now showing items 1-20 of 65

A Comprehensive Study of Particle Size Distributions with the Use of PostInjection Strategies in DI Diesel Engines

Desantes, J.M.; Bermúdez, Vicente; García Martínez, Antonio; Linares Rodríguez, Waldemar Gregorio (Taylor & Francis, 2011)

[EN] Control strategies such as variations in injection pressure and timing have been used by researchers to reduce in-cylinder exhaust emissions and meet legislation standards. Postinjection has been studied for several ...
A new method to predict high and low-temperature ignition delays under transient thermodynamic conditions and its experimental validation using a Rapid Compression-Expansion Machine

Desantes Fernández, José Mª; Bermúdez, Vicente; López, J. Javier; López Pintor, Darío (Elsevier, 2016-09-01)

A new procedure to predict both high-temperature stage and cool flames ignition delays under transient thermodynamic conditions has been developed in this paper. The results obtained have been compared with those obtained ...
An assessment of the real-world driving gaseous emissions from a Euro 6 light-duty diesel vehicle using a portable emissions measurement system (PEMS)

Luján, José M.; Bermúdez, Vicente; Dolz, Vicente; Monsalve-Serrano, Javier (Elsevier, 2018)

[EN] Recent investigations demonstrated that real-world emissions usually exceed the levels achieved in the laboratory based type approval processes. By means of on-board emissions measurements, it has been shown that ...
Analisis del efecto de la inyección de agua en la regeneración de partículas diesel

Peris Pascual, Antonio Miguel (Universitat Politècnica de València, 2020-01-28)

[ES] En la actualidad los motores diésel tienen gran importancia en la vida cotidiana ya que forman parte en una gran cantidad de equipamiento que dan servicio y son de gran utilidad para las personas. Su aplicación es muy ...
Analysis of Passenger Car Turbocharged Diesel Engines Performance When Tested at Altitude and of the Altitude Simulator Device Used

Broatch, A.; Bermúdez, Vicente; Serrano, J.R.; Tabet, Roberto; Gómez, Javier; Bender, Stefan (ASME International, 2019-08)

[EN] According to current worldwide trends for homologation vehicles in real driving conditions is forced to test the engines in altitude and in highly dynamic driving cycles in order to approach nowadays and next future ...
Analysis of Regulated Pollutant Emissions and Aftertreatment Efficiency in a GTDi Engine Using Different SOI Strategies

Bermúdez, Vicente; Luján, José M.; Climent, H.; Soto-Izquierdo, Lian; Campos-Navarro, Daniel (SAE International, 2018)

[EN] In order to improve performance and minimize pollutant emissions in gasoline turbocharged direct-injection (GTDi) engines, different injection strategies and technologies are being investigated. The inclusion of exhaust ...
Analysis of the influence of pre-DPF water injection technique on pollutants emission

Bermúdez, Vicente; Serrano Cruz, José Ramón; Piqueras, P.; Campos, Daniel (Elsevier, 2015-09)

The pressure drop across DPFs directly affects the exhaust back-pressure and fuel economy of compression ignition engines. Pressure drop is related to the soot trapped inside the DPF, increasing exhaust back-pressure as ...
Analysis of the role of altitude on diesel engine performance and emissions using an atmosphere simulator

Bermúdez, Vicente; Serrano, J.R.; Piqueras, P.; Gómez-Gil, Javier; Bender, Stefan (SAGE Publications, 2017)

[EN] Forthcoming directives from European Commission will force homologation in altitude to approach standards to actual driving conditions in order to reduce the gap between regulated and real-life emissions. This work ...
Análisis de la influencia de las inyecciones múltiples sobre la distribución de tamaños de partícula en el aerosol de escape de los motores Diesel

Molina Galán, Daniel (Universitat Politècnica de València, 2013-09-27)

Consulta en la Biblioteca ETSI Industriales (8374)
Análisis de las emisiones contaminantes en un motor MEP turboalimentado de inyección directa dotado con sistemas de EGR de baja presión

Gomes Martínez, Carlos Alberto (Universitat Politècnica de València, 2014-11-03)

Consulta en la Biblioteca ETSI Industriales (Riunet)
Assessment by means of gas dynamic modelling of a pre-turbo diesel particulate filter configuration in a turbocharged HSDI diesel engine under full-load transient operation

Bermúdez, Vicente; Serrano Cruz, José Ramón; Piqueras, P.; García Afonso, Óscar (SAGE Publications, 2011)

Diesel particulate filters (DPF) are becoming a standard technology in diesel engines because of the need for compliance with forthcoming regulations regarding soot emissions. When a great degree of maturity in management ...
Assessment of air management strategies on particulate number and size distributions from a 2-stroke compression-ignition engine operating with gasoline Partially Premixed Combustion concept

Bermúdez, Vicente; Ruiz, S.; Novella Rosa, Ricardo; Soto-Izquierdo, Lian (SAGE Publications, 2018)

[EN] The newly designed partially premixed combustion concept has demonstrated its potential to reduce nitrogen oxides and particulate matter emissions combined with highly indicated efficiencies. However, it is highly ...
Assessment of pollutants emission and aftertreatment efficiency in a GTDi engine including cooled LP-EGR system under different steady-state operating conditions

Bermúdez Tamarit, Vicente Remigio; Lujan Martinez, José Manuel; Climent Puchades, Héctor; Campos, Daniel (Elsevier, 2015-11-15)

Nowadays, EGR systems are being incorporated in the research focused on spark-ignition direct-injection engines as a solution to the problems presented by them; i.e. knock risk and high combustion temperature which produces ...
Assessment of the effect of low viscosity oils usage on a light duty diesel engine fuel consumption in stationary and transient conditions

Macian Martinez, Vicente; Tormos Martínez, Bernardo Vicente; Bermúdez, Vicente; Ramírez Roa, Leonardo Andrés (Elsevier, 2014-11)

Regarding the global warming due CO2 emissions, the crude oil depletion and its corresponding rising prices, OEMs are exploring different solutions to increase the internal combustion engine efficiency, among which, the ...
Caracterización de la influencia de las propiedades físico-químicos de las emisiones Diesel sobre la respuesta inflamatoria de células respiratorias humanas

Albors Chisvert, Inmaculada (Universitat Politècnica de València, 2014-02-20)

Consulta en la Biblioteca ETSI Industriales (6317)
Comparative study of regulated and unregulated gaseous emissions during NEDC in a light-duty diesel engine fuelled with Fischer Tropsch and biodiesel fuels

Bermúdez, Vicente; Luján, José M.; Plá Moreno, Benjamín; Linares Rodríguez, Waldemar Gregorio (Elsevier, 2011-02)

In this study, regulated and unregulated gaseous emissions and fuel consumption with five different fuels were tested in a 4-cylinder, light-duty diesel EURO IV typically used for the automotive vehicles in Europe. Three ...
Correlations for the ignition characteristics of six different fuels and their application to predict ignition delays under transient thermodynami conditions

Desantes, J.M.; Bermúdez, Vicente; López, J. Javier; López-Pintor, Darío (Elsevier, 2017)

[EN] The ignition characteristics of six different fuels have been correlated as a function of the temperature, pressure, equivalence ratio and oxygen molar fraction in this investigation. More specifically, the ignition ...
Desarrollo de instalación experimental para estudio de las emisiones y prestaciones de un motor Diesel de nueva generación bajo el contexto de la normativa de emisiones Euro 6d-Temp

Morón Peiró, Óscar (Universitat Politècnica de València, 2018-09-25)

[ES] Numerosos estudios han evidenciado las claras discrepancias entre las emisiones homologadas y las que se producen en condiciones de conducción real. De ahí que exista un profundo consenso por la necesidad de normativas ...
Desarrollo e implementación de sistemas de medida y análisis de presión en cámara para diagnóstico de la combustión en tiempo real para mcia

Lluch Muñoz, Vicente (Universitat Politècnica de València, 2015-11-25)

Consulta en la Biblioteca ETSI Industriales (Riunet)
Desarrollo e implementación de un modelo de catalizador de oxidación de amoníaco orientado a diagnóstico a bordo en motores de combustión interna alternativos

García Martínez, Elena (Universitat Politècnica de València, 2021-02-04)

[ES] El presente Trabajo Final de Máster plantea como objetivo principal desarrollar un modelo para la simulación de la reactividad química de un catalizador de oxidación de amoníaco (Ammonia Slip Catalyst, ASC). En primer ...