[EN] Forthcoming directives from European Commission will force homologation in altitude to approach standards to actual driving conditions in order to reduce the gap between regulated and real-life emissions. This work ...
Tabet Aleixandre, Roberto(Universitat Politècnica de València, 2019-10-21)
[ES] El funcionamiento de los motores de combustión en altura no ha sido tradicionalmente bien estudiado desde el punto de vista del análisis de sus emisiones. La posibilidad de disponer de un simulador de altura en ...
Desco Sánchez, María(Universitat Politècnica de València, 2023-09-29)
[ES] Se estudia como adaptar un motor para operar con oxicombustión. El objetivo es la generación in-situ del oxígeno usando membranas cerámicas de transporte de iones para separar el oxígeno del aire. Para la operación ...
Gómez Gil, Javier(Universitat Politècnica de València, 2016-07-20)
[ES] Se desarrolla una instalación para reproducir en condiciones de laboratorio y a cualquier cota las condiciones atmosféricas de los motores operando en altura. Se desarrolla específicamente para el rango de funcionamiento ...
Samala, Vishnu(Universitat Politècnica de València, 2017-07-27)
In the TFM the test of a turbocharger with double entry turbine in real conditions of operation, as for the temperature at the entrance of the turbine, will be realized. The turbine is double-entry, typical of the spark ...
Bermúdez, Vicente; Serrano Cruz, José Ramón; Piqueras, P.; García Afonso, Óscar(SAGE Publications, 2011)
Diesel particulate filters (DPF) are becoming a standard technology in diesel engines because of the need for compliance with forthcoming regulations regarding soot emissions. When a great degree of maturity in management ...
J.R. Serrano; Arnau Martínez, Francisco José; Piqueras, P.; Reyes Belmonte, Miguel Ángel(Elsevier, 2011)
[EN] Solution of governing equations for one-dimensional compressible unsteady flow has been performed traditionally using a homogenously distributed spatial mesh. In the resulting node structure, the internal nodes are ...
[EN] Surge is a phenomenon that limits the operating range of the compressor at low engine speeds and high boost pressure in turbocharged powertrains. This article assesses two prototype turbochargers of variable geometry ...
Galindo, José; Serrano Cruz, José Ramón; Dolz Ruiz, Vicente; López Hidalgo, Miguel Andrés; Bouffaud, F.(SAE International, 2013-04)
Problems in the turbocharger lubrication system can cause
serious deterioration in their overall performance and even
their complete destruction. The paper describes several tests
with different critical lubrication ...
Serrano, J.R.; García-Cuevas González, Luis Miguel; Samala, Vishnu; López-Carrillo, Juan Antonio; Mai, Holger(American Society of Mechanical Engineers (ASME), 2021-10-15)
[EN] During the last decade, increasingly advanced turbocharger models have been developed for sizing, engine matching and one-dimensional modeling. This work goes further and, instead of using these models for turbocharged ...
An average passenger car engine effectively uses about one-third of the fuel combustion energy, while the two-thirds are wasted through exhaust gases and engine cooling. It is of great interest to automotive industry to ...
López Ferrer, Diego(Universitat Politècnica de València, 2015-09-16)
A principios del Siglo XX comienza el desarrollo e investigación de la turbomaquinaria como componente del MCIA, dando lugar a lo que hoy en día se conoce como turbosobrealimentación de motores. El principio de funcionamiento ...
Hernández Salmerón, Alejandro(Universitat Politècnica de València, 2019-10-03)
[ES] El presente Trabajo Final de Grado está enfocado a la experimentación en una sala de ensayos de turbogrupos y su adaptación para la realización de varios proyectos simultáneamente. Se realiza una configuración en el ...
Paes Martí, Mónica(Universitat Politècnica de València, 2016-09-12)
[EN] Due to the acceleration and the deceleration in automotive urban driving cycles, turbochargers experience unusual flow conditions for thermal turbomachinery. The knowledge of the right flow behavior at such off-design ...
[EN] In the present work, a numerical methodology based on three-dimensional (3D) computational fluid dynamics (CFD) was developed to predict knock in a 2-Stroke engine operating with gasoline Partially Premixed Combustion ...
López Sanfeliciano, Almudena(Universitat Politècnica de València, 2020-03-23)
[ES] La presente Tesis está centrada en la demostración cuantitativa de los efectos que una malla de baja calidad tiene en la solución de una simulación computacional. La Fluido Dinámica Computacional es una reciente y ...
[EN] Distributed electric propulsion and boundary layer ingestion are two attractive technologies to reduce the power consumption of fixed wing aircraft. Through careful distribution of the propulsive system elements, ...