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Browsing by Subject "Internal combustion engines"

Now showing items 1-14 of 14

A comprehensive methodology to analyse the Global Energy Balance in Reciprocating Internal Combustion Engines

Carreño Arango, Ricardo (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. ...
An analysis of the in-cylinder pressure resonance excitation in internal combustion engines

Guardiola, Carlos; Pla Moreno, Benjamín; Bares-Moreno, Pau; Barbier, Alvin Richard Sebastien (Elsevier, 2018)

[EN] This paper analyses the in-cylinder pressure oscillations in internal combustion engines, which are initiated by combustion and resonate during the expansion stroke. A specific mathematical tool, which takes into ...
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 shock capturing methods for chemical species transport in unsteady compressible flow

Serrano Cruz, José Ramón; Climent, H.; Piqueras, P.; García Afonso, Óscar (Elsevier, 2013-04)

This paper presents a chemical species transport model to account for variable composition and gas properties along the flow path in internal combustion engines. The numerical solution to adapt the gas dynamic model to ...
Analytical Optimal Solution to the Energy Management Problem in Series Hybrid Electric Vehicles

Luján, José M.; Guardiola, Carlos; Pla Moreno, Benjamín; Reig, Alberto (Institute of Electrical and Electronics Engineers, 2018)

[EN] An optimal solution to the energy management problem in hybrid electric vehicles has been extensively addressed in the literature during the last decade, especially with the application of dynamic programming, the ...
Control del dosado en motores de encendido provocado en condiciones de cortocircuito

García Hostalet, Alfonso (2016-10-28)

[EN] Modern turbocharged direct injection SI engines are usually fitted with VVT (camphasers) which allow varying the valve timing according to the control objectives. This may be used chiefly for two purposes: ¿ Improve ...
Design and implementation of the control system of an equipment aimed at reproducing variable environmental conditions on internal combustion engine tests

Blas Medina, Sergio (2019-10-18)

[ES] Este proyecto presenta un equipo que permite reproducir las condiciones de presión, temperatura y humedad deseadas para emular condiciones de ensayo de motores de combustión. Durante el trabajo se detallan el principio ...
Development of an effective section model for extrapolating performance maps of twin turbines

Medina Tomás, Nicolás (2019-10-29)

[ES] El uso de turbomáquinas radiales para sobrealimentar motores permite reducir fuertemente su consumo y emisiones contaminantes. En el caso de los motores por encendido provocado, es muy común aprovechar la energía ...
Experimental analysis and one-dimensional modeling of heat transfer phenomena in turbochargers for internal combustion engines

Dombrovsky, Artem (2015-06-16)

[EN] Nowadays, the regulation of pollutant emissions of reciprocating internal combustion engines becomes more and more restrictive. One of the main strategies to reduce those emissions is the reduction of engine volume ...
Experiments on the influence of intake conditions on local instantaneous heat flux in reciprocating internal combustion engines

Desantes, J.M.; Torregrosa, A. J.; Broatch, A.; Olmeda González, Pablo Cesar (Elsevier, 2011-01)

[EN] The present study tries to be a contribution for the development of more precise theoretical models for predicting the dissipation of heat through the combustion chamber walls of reciprocating (internal combustion) ...
Imagining the Future of the Internal Combustion Engine for Ground Transport in the Current Context

Serrano, J.R. (MDPI AG, 2017)

[EN] Internal Combustion Engines (ICEs) are the main propulsion systems for ground transport, both in on-road and off-road applications. By mid-2016, a special issue about ICEs for ground transport was announced, corresponding ...
Improvement and application of a methodology to perform the Global Energy Balance in internal combustion engines. Part 1: Global Energy Balance tool development and calibration

López, J. Javier; Payri, F.; Martín, J.; Carreño-Arango, Ricardo (Elsevier, 2018)

[EN] The increasingly stringent internal combustion engines emissions regulations, has led to the extended use of after-treatment systems, giving progressively more importance to the engine efficiency optimization. In ...
In-cylinder pressure based model for exhaust temperature estimation in internal combustion engines

Guardiola, Carlos; Olmeda, P.; Plá Moreno, Benjamín; Bares-Moreno, Pau (Elsevier, 2017)

[EN] Exhaust temperature is a valuable parameter for engine control. However, measurement conditions at the engine exhaust and the slow dynamic response of temperature sensors difficult the determination of the instantaneous ...
Internal combustion engines with hydrogen

Ricart Jiménez, Martín (2015-09-18)

This Final Project aims to realize a study on the internal combustion engines with hydrogen and its introduction on the viability of market. We must not confuse the internal combustion engine with hydrogen with fuel cell ...