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Listar por palabra clave "ICE"

Mostrando ítems 1-18 de 18

A review of current and future powertrain technologies and trends in 2020

Conway, Graham; Joshi, Ameya; Leach, Felix; García Martínez, Antonio; Senecal, Peter Kelly (Elsevier, 2021-09)

[EN] Fossil fuels are currently the most convenient on-board energy sources for vehicles in terms of energy density and refueling time. However, the increase in global temperature together with the increase in transported ...
Aceites de motor de baja viscosidad: ahorro de combustible y ensayos en condiciones reales

Tormos, B.; Miró Mezquita, Guillermo; Perez-Gutierrez, T.; de-Diego-Pardo, J. (Publicaciones DYNA, 2016)

[ES] Debido al fenómeno del calentamiento global, las emisiones de CO2 y la reducción del consumo de combustible en el transporte por carretera se han convertido en algunas de las preocupaciones más relevantes en el sector ...
Advanced exergy analysis of a jet ejector refrigeration cycle used to cool down the intake air in an internal combustion engine

Galindo, José; Dolz, Vicente; Pla Moreno, Benjamín; Ponce-Mora, Alberto (Inderscience Enterprises Ltd., 2020)

[EN] This paper describes a jet ejection cycle coupled to a 1.5 L diesel engine to reduce the intake air temperature using the waste heat of the exhaust gases. This cycle is evaluated by means of conventional and advanced ...
Avances en la investigación aeroacústica de turbocompresores centrífugos

García Tíscar, Jorge (Universitat Politècnica de València, 2015-06-02)

[EN] The present work addresses the necessity of accurate and reliable characterization of the noise produced by the turbocomrpessors of reciprocating internal combustion engines. Experimental research on the matter has ...
Current trends in ICE wear detection technologies: from lab to field

Miró Mezquita, Guillermo; Tormos, B.; Allmaier, H.; Sander, D.E.; Knauder, C. (Academic and Scientific Research Organization (ASRO), 2017-01-17)

[EN] Research in internal combustion engine (ICE) tribology has been an active topic during the last decades, driven by different interest: first, in order to improve thermodynamics and overall engine performance, while ...
Desarrollo de un modelo de deformaciones del mecanismo piston-biela-manivela de un motor alternativo

Rueda Cuerda, Miguel (Universitat Politècnica de València, 2017-09-28)

The objective of this project is to present a methodology using Finite Element Analysis (FEA) technique able to obtain the mechanical deformations in the crank mechanism of a mono-cylinder ICE given a work regime and ...
Desarrollo y aplicación de una metodología de calibración de un modelo unidimensional de un motor de combustión interna de automoción alimentado con amoniaco

Espinosa García, Francisco Manuel (Universitat Politècnica de València, 2024-11-11)

[ES] Las numerosas políticas anticontaminación cada vez más restrictivas han motivado la investigación de nuevos tipos de sistemas propulsivos que utilicen combustibles alternativos como fuente de energía. El gran objetivo ...
Estudio de simulación numérica de un motor de combustión interna alimentado con mezclas de combustible de amoníaco e hidrógeno

Sánchez Bayona, Javier (Universitat Politècnica de València, 2023-11-03)

[ES] En las últimas décadas la relevancia de los nuevos combustibles alternativos ha aumentado considerablemente como respuesta a los problemas del calentamiento global y las emisiones contaminantes. La comunidad científica ...
Estudio experimental en MCIA en servicio real de la influencia sobre el desgaste mecánico con el uso de aceites lubricantes de baja viscosidad

Miró Mezquita, Guillermo (Universitat Politècnica de València, 2015-07-17)

[EN] Due to the increasingly stringent emissions standards in the world and, on the other hand, the foreseen shortage of fossil fuels, the application of low viscosity engine lubricants (LVO) is considered one of the most ...
Estudio experimental y computacional del proceso de inyección diésel mediante un código CFD con malla adaptativa

Jaramillo Císcar, David (Universitat Politècnica de València, 2017-12-11)

One of the main aspects in the development of modern diesel engines has been the direct injection systems, due to its influence in the atomization and evaporation processes. The study of all physical and chemical phenomena ...
Estudio y validación de una metodología de ensayo para el análisis experimental de la fuerza de fricción en el bloque pistón-camisa-segmentos de un MCIA

Iniesta Gómez, Eduardo (Universitat Politècnica de València, 2016-07-07)

[EN] The most important mechanical losses in a ICE are the friction losses of the piston-liner-rings block. In this work, an experimental study for quantification of the friction forces has been done by using a instrumented ...
Evaluación de tres formulaciones diferentes de aceites lubricantes y su impacto en el mantenimiento de una flota de autobuses

Castelló Villanueva, Jorge (Universitat Politècnica de València, 2021-05-14)

[ES] Los motores de combustión interna alternativos (MCIA) son equipos que requieren de un sistema de lubricación específico para su correcto funcionamiento. A través de este trabajo, y atendiendo a las tendencias de los ...
Implementation of 1D-3D integrated model for thermal prediction in internal combustion engines

Margot, Xandra; Quintero-Igeño, Pedro-Manuel; Gómez-Soriano, Josep; Escalona-Cornejo, Johan Enrique (Elsevier, 2021-07-25)

[EN] The need to improve the thermal efficiency of gasoline engines used in hybrid vehicles, has led to explore new solutions for reducing engine heat losses. Hence, it is important for the car manufacturers to be able to ...
Modal decomposition of the unsteady flow field in compression-ignited combustion chambers

Torregrosa, A. J.; Broatch, A.; Garcia Tiscar, Jorge; Gómez-Soriano, Josep (Elsevier, 2018-02)

[EN] In this paper, the unsteady behaviour of a compression-ignited (CI) engine combustion chamber is studied by analysing the results of a Computational Fluid Dynamics (CFD) model through the application of different flow ...
Numerical approach to define a thermodynamically equivalent material for the conjugate heat transfer simulation of very thin coating layers

Olmeda, P.; Margot , Xandra; Quintero-Igeño, Pedro-Manuel; Escalona-Cornejo, Johan Enrique (Elsevier, 2020-12)

[EN] The 3D Conjugate Heat transfer (CHT) calculation of the heat transfer from the gas to the walls of a combustion chamber requires very fine meshing, particularly so when the walls are coated with a very thin insulation ...
Numerical study on the use of ammonia/hydrogen fuel blends for automotive spark-ignition engines

Novella Rosa, Ricardo; Pastor Enguídanos, José Manuel; Gómez-Soriano, Josep; Sánchez-Bayona, J. (Elsevier, 2023-11-01)

[EN] The importance of new alternative fuels has assumed great relevance in the last decades to face the issues of global warming and pollutant emissions from energy production. The scientific community is responsible for ...
Recuperation of the exhaust gases energy using a Brayton cycle machine

Kleut, Petar (Universitat Politècnica de València, 2017-01-16)

Lately, car manufacturers have been put to a big challenge to reduce the CO2 emission of their entire fleets. Norms of pollutant emissions limit the ways to achieve the desired CO2 emission goals, as some of the solutions ...
Theoretical and experimental evaluation of the spark-ignition premixed oxy-fuel combustion concept for future CO2 captive powerplants

Serrano, J.R.; Martín, Jaime; Gómez-Soriano, Josep; Raggi, R. (Elsevier, 2021-09-15)

[EN] Oxy-fuel combustion concept is one of the most promising technologies not only to avoid NOx emissions, but also to reduce CO, unburned hydrocarbons and soot emissions in combustion-based powerplants. Moreover, the ...