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Listar por palabra clave "Engines"

Mostrando ítems 1-20 de 31

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A complete 0D thermodynamic predictive model for direct injection diesel engines

Payri González, Francisco; Olmeda, P.; Martín Díaz, Jaime; García Martínez, Antonio (Elsevier, 2011-06-01)

[EN] Ideal models provide the simplest way to reproduce internal combustion engine (ICE) cycles, but they usually do not represent with sufficient accuracy the actual behaviour of an ICE. A suitable alternative for research ...
A fluid dynamic model for unsteady compressible flow in wall-flow diesel particulate filters

Torregrosa Huguet, Antonio José; Serrano Cruz, José Ramón; Arnau Martínez, Francisco José; Piqueras Cabrera, Pedro (Elsevier, 2011-01)

The use of particulate filters (DPF) in Diesel engines has become in recent years the standard technology for the control of soot aerosol emissions. Once emissions reduction through the management of filtration and ...
Adaptive determination of cut-off frequencies for filtering the in-cylinder pressure in diesel engines combustion analysis

Payri González, Francisco; Olmeda González, Pablo Cesar; Guardiola García, Carlos; Martín Díaz, Jaime (Elsevier, 2011-10)

[EN] In-cylinder pressure analysis is a key tool for engine research and diagnosis and it has been object of study from the beginning of the internal combustion engines. One of its most useful application is combustion ...
An Investigation of Radiation Heat Transfer in a Light-Duty Diesel Engine

Benajes Calvo, Jesus Vicente; Martín Díaz, Jaime; García Martínez, Antonio; Villalta Lara, David; Warey, Alok; Domenech Llopis, Vicente; Vassallo, Alberto Lorenzo; Vassallo (SAE International, 2015-09)

In the last two decades engine research has been mainly focused on reducing pollutant emissions. This fact together with growing awareness about the impacts of climate change are leading to an increase in the importance ...
An on-engine method for dynamic characterisation of NOx concentration sensors

Galindo, José; Serrano Cruz, José Ramón; Guardiola, Carlos; Blanco-Rodriguez, David; Cuadrado, I.G. (Elsevier, 2011-04)

An on-engine method for dynamic characterisation of automotive NOx concentration sensors is presented. Steps in start of injection on a diesel engine are employed to achieve step-like NOx concentration variations on exhaust ...
Análisis del Impacto ambiental del hidrógeno como combustible en un motor de combustión interna alternativo

Alapont Calabuig, Rafael (Universitat Politècnica de València, 2023-09-01)

[ES] La concentración de CO2 en la atmósfera ha superado recientemente las 400 ppm, lo que representa más del doble de los niveles previos a la industrialización. Este cambio en la composición de la atmósfera tendrá ...
Aplicaçao de metodologias de Lean Manufacturing na reparaçao de componentes aeronáuticos

Hernández España, Javier (Universitat Politècnica de València, 2020-05-08)

[ES] El proyecto se centra en la aplicación de las herramientas de Lean Manufacturing para conseguir optimizar los procesos de reparación de aquellas piezas de los motores de la familia AEs que generan un mayor número de ...
Automatic positioning device for cutting three-dimensional tissue in living or fixed samples. Proof of concept

Quiñones, Darío R.; Pérez Feito, Ricardo; García Manrique, Juan Antonio; Canals-Gamoneda, Santiago; Moratal, David (IEEE Engineering in Medicine and Biology Society, 2017)

[EN] The study and analysis of tissues has always been an important part of the subject in biology. For this reason, obtaining specimens of tissue has been vital to morphological and functionality research. Historically, ...
Bandwidth-Aware Dynamic Prefetch Configuration for IBM POWER8

Navarro, Carlos; Feliu-Pérez, Josué; Petit Martí, Salvador Vicente; Gómez Requena, María Engracia; Sahuquillo Borrás, Julio (Institute of Electrical and Electronics Engineers, 2020-08-01)

[EN] Advanced hardware prefetch engines are being integrated in current high-performance processors. Prefetching can boost the performance of most applications, however, the induced bandwidth consumption can lead the system ...
Characterization of EGR cooler response for a range of engine conditions

Bravo Valeo, Yolanda; Luján, José M.; Tiseira ., Andrés Omar (SAE International, 2013)

Fouling phenomenon is a key issue for EGR cooler operation. In spite of the fact that soot deposition is imposed by the characteristics of the exhaust gases flow, the design of the EGR cooler has a significant impact for ...
Cycle by Cycle Trapped Mass Estimation for Diagnosis and Control

Guardiola, Carlos; Plá Moreno, Benjamín; Blanco-Rodriguez, David; Bares Moreno, Pau (SAE International, 2014-08)

The development of one cycle resolution control strategies and the research at HCCI engines demands an accurate estimation of the trapped mass. In contrast to current methods for determining the mass flow, which are only ...
Desarrollo de un sistema de conducción remoto para la realización de ensayos en bancos de rodillos

Pau Monleón, David (Universitat Politècnica de València, 2022-10-14)

[ES] El sector automovilístico es uno de los motores más importantes del nuestro país. La automatización de procesos con robots es uno de los pilares que darán un impulso al desarrollo de la industria para mejorar y adaptarla ...
Desarrollo de un sistema de ensayo quasi-no destructivo para evaluación de la dureza superficial de materiales

Bernal Sánchez, Félix (Universitat Politècnica de València, 2020-10-19)

[ES] Este Trabajo Final de Máster es la continuación de un Trabajo Final de Grado cuyo objetivo es el desarrollo de un sistema de inspección quasi-no destructivo para la medida de dureza en materiales cementicios basado ...
Engine test bench feasibility for the study and research of real driving cycles: Pollutant emissions uncertainty characterization

Luján, José M.; Bermúdez, Vicente; Pla Moreno, Benjamín; Redondo-Puelles, Fernando (SAGE Publications, 2022-07)

[EN] The future of Internal Combustion Engines in the automotive sector seems uncertain, to some extent due to the recent changes in type approval regulations. Current regulations have considerably reduced the engine ...
Estudio de actuaciones de turbinas radiales de tipo twin

Martínez Ruiz, Moisés (Universitat Politècnica de València, 2020-11-03)

[ES] Hablar de automoci´on es hablar de un sector en constante cambio y evoluci´on. Sin ir m´as lejos, muchas de las mayores modificaciones que se han realizado en el sector, se han producido en la ´ultima mitad de siglo. ...
Estudio de los requisitos de mantenimiento en la unidad motriz de un autobús urbano derivados de su transformación de diésel a GLP

Pous Soria, Antoni (Universitat Politècnica de València, 2018-11-20)

[EN] With the growing concern on the environment, has become relevant to reduce polluting emissions in large cities. Therefore, arise new urban mobility options that minimize emissions in these environments. One of the ...
Evaluación del sistema de reparaciones del departamento "Tool Room" de la planta de motores de Ford España.

Colomer Sánchez, Francisca Enriqueta (Universitat Politècnica de València, 2023-10-03)

[ES] El trabajo tiene como objetivo central, proponer mejoras técnicas al sistema de reparaciones de un departamento que da servicio en la planta de motores de FORD España, para conseguir dicho objetivo se requiere abordar ...
Experimental assessment for instantaneous temperature and heat flux measurements under Diesel motored engine conditions

Torregrosa, A. J.; Bermúdez, Vicente; Olmeda González, Pablo Cesar; Figueroa García, Olga Ligia (Elsevier, 2012-02)

The main goal of this work is to validate an innovative experimental facility and to establish a methodology to evaluate the influence of some of the engine parameters on local engine heat transfer behaviour under motored ...
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 ...