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Browsing by Subject "Pollutant emissions"

Now showing items 1-11 of 11

Analysis of the combustion process, pollutant emissions and efficiency of an innovative 2-stroke HSDI engine designed for automotive applications

Benajes Calvo, Jesus Vicente; Novella Rosa, Ricardo; De Lima Moradell, Daniela Andreina; Tribotte, Pascal; Quechon, Nicolas; Obernesser, Philippe; Dugue, Vincent (Elsevier, 2013-09)

[EN] On the last years engine researchers has been focused on improving engine efficiency in order to decrease CO2 emissions and fuel consumption, while fulfilling the increasingly stringent pollutant emissions regulations. ...
Computational optimization of the combustion system of a heavy duty direct injection diesel engine operating with dimethyl-ether

Benajes, Jesús; Novella Rosa, Ricardo; Pastor Enguídanos, José Manuel; Hernández-López, Alberto; Kokjohn, Sage L. (Elsevier, 2018)

[EN] A genetic algorithm optimization methodology is applied to the design of the combustion system of a heavy-duty diesel engine fueled with dimethyl ether (DME). The optimization includes the key combustion system related ...
Diseño de reactor para la caracterización de sistemas de post-tratamiento de gases de escape de motores en un banco de gases sintéticos

Cáceres Cavero, Sergio (2017-09-29)

The project aims to: - Design all reactor elements for the evaluation of monoliths of the catalysts used to reduce emissions of NOx, HC and CO - Select reactor thermal conditioning systems - Select the appropriate ...
Estudio del efecto de la estrategia de inyección de combustible sobre las emisiones de escape reguladas de un MEP sobrealimentado de inyección directa

Soto Izquierdo, Lian (2017-08-28)

[EN] In order to improve performance and minimize pollutant emissions in GTDi engines, different strategies and technologies are being investigated. Either the inclusion of EGR or the variation of the SOI are some of the ...
Experimental assessment of an exhaust heat recovery system applied in a New European Driving Cycle at low temperature

Moratal Martínez, Ausiás Alberto (2015-07-17)

[EN] Pollutant emissions and fuel consumption are one of the majors themes that automotive engineers have to face. Cold engine start and warming up analysis have become important topics for researches. In order to improve ...
HD Diesel engine equipped with a bottoming Rankine cycle as a waste heat recovery system. Part 1: Study and analysis of the waste heat energy

Dolz Ruiz, Vicente; Novella Rosa, Ricardo; García Martínez, Antonio; Sánchez Serrano, Jaime (Elsevier, 2012-04)

This paper describes the study of different bottoming Rankine cycles with water-steam and/or ORC configurations in classical and innovative setups such as a waste heat recovery system in a Heavy Duty Diesel (HDD) Engine. ...
HD Diesel engine equipped with a bottoming Rankine cycle as a waste heat recovery system. Part 2: Evaluation of alternative solutions

Serrano Cruz, José Ramón; Dolz Ruiz, Vicente; Novella Rosa, Ricardo; García Martínez, Antonio (Elsevier, 2012-04)

A theoretical investigation has been performed on the feasibility of introducing a waste heat recovery (WHR) system in a two-stage turbocharged HDD engine. The WHR is attained by introducing a Rankine cycle, which uses an ...
Implementation of the Partially Premixed Combustion concept in a 2-stroke HSDI diesel engine fueled with gasoline

Benajes Calvo, Jesus Vicente; Molina Alcaide, Santiago Alberto; Novella Rosa, Ricardo; De Lima Moradell, Daniela Andreina (Elsevier, 2014-06-01)

Partially Premixed Combustion (PPC) of fuels in the gasoline octane range has proven to combine low NOX and soot emissions with high indicated efficiencies, while still retaining control over combustion phasing with the ...
INFLUENCE OF THE MIXTURE PREPARATION ON THE COMBUSTION IN DIRECT INJECTION ENGINES

GASTALDI, PATRICK (2015-03-31)

During the last two centuries, the development of the internal combustion engine has followed the evolution of the customer expectations. From the race for pure performances, high power, and fun to drive, perfectly well ...
Potential of exhaust heat recovery for intake charge heating in a Diesel engine transient operation at cold conditions

Lujan Martinez, José Manuel; Climent Puchades, Héctor; Dolz Ruiz, Vicente; Moratal Martínez, Ausiás Alberto; Borges Alejo, José; Soukeur, Zoulikha (Elsevier, 2016-07-25)

In this paper, an experimental facility is implemented with the aim of improving the performance of internal combustion engines working at low ambient temperatures. Pollutant emissions and fuel consumption are one of the ...
Sensitivity of combustion noise and NOx and soot emissions to pilot injection in PCCI Diesel engines

Torregrosa, A. J.; Broatch Jacobi, Jaime Alberto; García Martínez, Antonio; Mónico Muñoz, Luisa Fernanda (Elsevier, 2013-04)

Diesel engines are the most commonly used internal combustion engines nowadays, especially in European transportation. This preference is due to their low consumption and acceptable driveability and comfort. However, the ...