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Listar por autor "Martín Díaz, Jaime"

Mostrando ítems 1-20 de 107

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A Combination of Swirl Ratio and Injection Strategy to Increase Engine Efficiency

Olmeda, P.; Martín, J.; García Martínez, Antonio; Villalta-Lara, David; Warey, Alok; Domenech Llopis, Vicente (SAE International, 2017)

[EN] Growing awareness about CO2 emissions and their environmental implications are leading to an increase in the importance of thermal efficiency as criteria to design internal combustion engines (ICE). Heat transfer to ...
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 comprehensive methodology to analyse the Global Energy Balance in Reciprocating Internal Combustion Engines

Carreño Arango, Ricardo (Universitat Politècnica de València, 2016-11-02)

[EN] The main objective of this doctoral thesis is the development of a comprehensive methodology to perform and analyse the thermal balance of reciprocating engines, based on experimental and theoretical techniques. ...
A general model to evaluate mechanical losses and auxiliary energy consumption in reciprocating internal combustion engines

Tormos, B.; Martín, J.; Carreño-Arango, Ricardo; Ramirez-Roa, Leonardo Andrés (Elsevier, 2018)

[EN] The increasingly stringent emissions regulations and the climatic change as consequence of green house gases emissions have moved the research interest towards the optimization of the internal combustion engine. Hence, ...
A methodology to estimate mechanical losses and its distribution during a real driving cycle

Tormos, B.; Martín, Jaime; Pla Moreno, Benjamín; Jiménez-Reyes, Antonio José (Elsevier, 2020-05)

[EN] Reducing mechanical losses in internal combustion engines has been a recurrent research topic over the past few decades. Despite mechanical losses are a key issue that should be carefully addressed to reduce fuel ...
A new methodology for uncertainties characterization in combustion diagnosis and thermodynamic modelling

Benajes Calvo, Jesus Vicente; Olmeda González, Pablo Cesar; Martín Díaz, Jaime; Carreño Arango, Ricardo (Elsevier, 2014-10-05)

Combustion diagnosis based on in-cylinder pressure signals as well as 0D thermodynamic modelling, are widely used to study and optimize the combustion in reciprocating engines. Both approaches share some uncertainties ...
A New Tool to Perform Global Energy Balances in DI Diesel Engines 2014-01-0665

Payri González, Francisco; Olmeda González, Pablo Cesar; Martín Díaz, Jaime; Carreño, Ricardo (SAE International, 2014)

[EN] The generalization of exhaust aftertreatment systems along with the growing awareness about climate change is leading to an increasing importance of the efficiency over other criteria during the design of reciprocating ...
A tool for predicting the thermal performance of a diesel engine

Torregrosa, A. J.; Olmeda González, Pablo Cesar; Martín Díaz, Jaime; Romero Piedrahita, Carlos Alberto (Taylor & Francis, 2011)

This paper presents a thermal network model for the simulation of the transient response of diesel engines. The model was adjusted by using experimental data from a completely instrumented engine run under steady-state ...
Adaptación de un modelo de transmisión de calor en la cámara para su aplicación a motores de encendido provocado

García Ferri, Daniel (Universitat Politècnica de València, 2019-10-04)

[ES] La combinación de una regulación cada vez más estricta para contaminantes y CO2 y los nuevos ciclos de homologación, hacen muy interesante el desarrollo de herramientas para el diseño y pre-calibración de motores. ...
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 adapted heat transfer model for engines with tumble motion

Olmeda González, Pablo Cesar; Martín Díaz, Jaime; Novella Rosa, Ricardo; Carreño, Ricardo (Elsevier, 2015-11-15)

In the last years, a growing interest about increasing the engine efficiency has led to the development of new engine technologies. The accurate determination of the heat transfer across the combustion chamber walls is ...
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 ...
Analysis of different approaches for the reduction of NOx in a hydrogen fuelled internal combustion engine.

Más Arroyo, Marcos (Universitat Politècnica de València, 2024-11-13)

[ES] La amenaza que representan el cambio climático y la crisis de seguridad energética ha estimulado la respuesta de los gobiernos, que están poniendo en marcha planes estratégicos para promover la fuentes de energía ...
Analysis of temperature and altitude effects on the Global Energy Balance during WLTC

Payri, Francisco; Martín, Jaime; Arnau Martínez, Francisco José; Artham, Sushma (SAGE Publications, 2022-11)

[EN] In this work, the Global Energy Balance (GEB) of a 1.6 L compression ignition engine is analyzed during WLTC using a combination of experimental measurements and simulations, by means of a Virtual Engine. The energy ...
Analysis of the energy balance during World harmonized Light vehicles Test Cycle in warmed and cold conditions using a Virtual Engine

Olmeda, P.; Martín, Jaime; Arnau Martínez, Francisco José; Artham, Sushma (SAGE Publications, 2020-08)

[EN] In recent years, the interests on transient operation and real driving emissions have increased because of the global concern about environmental pollution that has led to new emissions regulation and new standard ...
Análisis de la incertidumbre del poder calorífico en un motor de combustión interna alternativo

Yilmaz Soñora, Narin (Universitat Politècnica de València, 2017-10-02)

[ES] Dentro del marco del diagnóstico de la combustión, es interesante el análisis de la incertidumbre del poder calorífico en un motor de combustión interna alternativo. Con ello, se pretende conocer con mayor certeza ...
Análisis de un motor Stirling para operar a baja ΔT

Tarazona Ferrandis, Amparo (Universitat Politècnica de València, 2020-05-08)

[ES] El objetivo de este trabajo es modificar la temperatura de operación de un motor Stirling tipo beta, el cual fue originalmente diseñado y optimizado para trabajar a alta temperatura, mediante la sustitución del cigüeñal. ...
Análisis de viabilidad de suministro eléctrico a buques atracados en el Puerto de Valencia

Grau Ortega, Arturo (Universitat Politècnica de València, 2013-05-27)

Consulta en la Biblioteca ETSI Industriales (8883)
Análisis del efecto de la ley de combustión en el rendimiento de un motor Diesel de inyección directa

Domingo Artieda, Sonia (Universitat Politècnica de València, 2017-09-27)

En los últimos años los esfuerzos que la industria del automóvil ha hecho para mejorar el rendimiento de los motores diésel han sido considerables. La eficiencia en este tipo de motores ha tratado de mejorarse a través de ...
Análisis del efecto de la ley de combustión en el rendimiento de un motor Diesel de Inyección Directa

Fernández Marco, Mar (Universitat Politècnica de València, 2015-09-21)

[ES] El objetivo general de este trabajo es el de evaluar de forma cualitativa y cuantitativa el efecto de la ley de combustión en el rendimiento del motor. Con el propósito de clarificar y ordenar el proceso se pueden ...