Benítez Flores, Cristina(Universitat Politècnica de València, 2021-01-12)
[ES] El presente proyecto trata de abarcar, desde un punto de vista innovador y creativo, el desarrollo de un estudio de carácter experimental vinculado al funcionamiento de una turbomáquina.
Las turbomáquinas térmicas ...
Flors Bel, Carlos Jesús(Universitat Politècnica de València, 2021-10-19)
[ES] El presente trabajo consiste en el diseño, cálculo preliminar y construcción de una aeronave demostrador no tripulada como plataforma para el futuro estudio de diversas alas rectangulares con diversas geometrías.
La ...
Ferrando Ballester, Óscar Vicente(Universitat Politècnica de València, 2015-11-24)
Varias empresas de construcción de maquinaria para la pastelería han intentado mejorar nuestra sección de empaquetado, no siendo viables las soluciones que planteaban por varios motivos, como desconocimiento de la gran ...
Grasa Martínez, Sergio(Universitat Politècnica de València, 2021-07-21)
[ES] Siguiendo la tendencia iniciada en el sector de automoción, los sistemas de propulsión híbridos están despertando interés en aplicaciones aeronáuticas y de generación distribuida. La problemática de estos sistemas ...
The implantation of nitrogen oxide sensors in diesel engines was proposed in order to track the emissions at the engine exhaust, with applications to the control and diagnosis of the after-treatment devices. However, the ...
The implantation of nitrogen oxide sensors in diesel engines is necessary in order to track emissions at the engine exhaust line for diagnosis and control of the after-treatment devices. However, the use of models is still ...
Bares Moreno, Pau(Universitat Politècnica de València, 2015-03-09)
[EN] In-cylinder pressure signal has been largely used for analysing the combustion in reciprocating engines, mainly in test benches, although new engines are being designed with closed loop control based on the in-cylinder ...
Luján, José M.; Guardiola, Carlos; Plá Moreno, Benjamín; Bares-Moreno, Pau(Elsevier, 2016-01)
High pressure gradients at homogeneous charge compression ignition (HCCI) engines heavily excite the pressure resonance. The pressure resonant frequency depends on speed of sound in the cylinder, and thus on the bulk gas ...
Manzaneda López, David(Universitat Politècnica de València, 2015-04-28)
El presente Trabajo de Fin de Grado tiene como objeto realizar una calibración de la gestión electrónica para extraer un mayor rendimiento a los motores de combustión interna alternativos así como reducir los contaminantes ...
Pérez Colera, Vicent(Universitat Politècnica de València, 2018-11-26)
[ES] El proyecto se centra en el estudio del impacto que tiene el tipo de conducción en el consumo y las emisiones de NOx de un vehículo automóvil. Como resultado de dicho estudio se desarrolla una aplicación que sugiere ...
[EN] After-treatment systems are necessary to respect the pollutant emissions thresholds specified by regulations. However, due to system ageing, the efficiency of the after-treatment system may decrease and affect the ...
With the tightening of on-board diagnostics requirements, accuracy of sensors is essential to monitor the efficiency and ensure a proper control of the after-treatment systems. Temperature sensors are commonly used in the ...
[EN] The impact of short-circuit pulses on the after-treatment system of a spark-ignited engine must be taken into account to keep the fuel-to-air equivalence ratio within the three-way catalyst window, thereby reducing ...
[EN] In order to comply with the legislation, car manufacturers are looking for a way to lower the CO2 emission by improving engine efficiency. About one third of the fuel combustion energy is wasted through exhaust gasses. ...
Antipollution legislation in automotive internal combustion engines requires active control and prediction of pollutant formation and emissions. Predictive emission models are of great use in the system calibration phase, ...
Luján, José M.; Guardiola, Carlos; Pla Moreno, Benjamín; Pandey, Varun(SAGE Publications, 2020-05)
[EN] EU6D emission regulation intends to bridge the gap between laboratory tests and the real driving conditions by introducing real drive emission testing. It requires the measurement of real drive emission to be an ...
[EN] This article proposes a method based on the Kalman filter to improve the accuracy of the CO(2)measurement in driving cycles such as worldwide harmonized light vehicles test cycles or real driving cycles which are ...