[EN] A method to create synthetic mixtures that simulate the Exhaust Gas Recirculation (EGR) of an internal
combustion engine, using O2, N2, CO2, H2O and Ar, has been designed. Different simplifications of this
synthetic ...
Villafañe Roca, Laura(Universitat Politècnica de València, 2012-05-07)
En este trabajo se describe el diseño de un túnel de viento transónico para estudiar desde el punto de vista aerodinámico la interación del flujo secundario de un turbofan con aletas de refigeración integradas en la ...
[EN] Aiming at increasing fuel cell (FC) stack durability in driving conditions, part of the scientific community has focused its efforts on developing energy management strategies (EMS) for fuel cell hybrid vehicles (FCV). ...
Beltrao de Vargas-Antolini, Jacson; Sementa, Paolo; Tornatore, Cinzia; Catapano, Francesco; Vaglieco, Bianca Maria; Desantes, J.M.; López, J. Javier(Elsevier, 2023-06-01)
[EN] Due to its potential to extend the lean limit or overcome knock-limited conditions on spark-ignited (SI) engines, the pre-chamber spark-ignition (PCSI) concept has gained attention as an efficient alternative to the ...
Desantes Fernández, José Mª; Benajes Calvo, Jesus Vicente; García Oliver, José María; KOLODZIEJ, CHRISTOPHER PAUL(SAGE Publications (UK and US), 2014-02)
In this study, 10 premixed diesel low-temperature combustion engine operating conditions were chosen based on engine intake pressure (1.2-1.6 bar), intake oxygen concentration (10%, 11%, and 12%), and injection timing (-24 ...
Desantes Fernández, José Mª; López, J. Javier; Redón Lurbe, Pau; Arregle, Jean Joseph Pierre(SAGE Publications (UK and US), 2012-12)
Over the past two decades, the amount of exhaust gas pollutants emissions has been significantly reduced due to the
severe emission legislation imposed in most countries worldwide. Initial strategies simply required the ...
Villafañe Roca, Laura(Universitat Politècnica de València, 2014-01-07)
The path to future aero-engines with more efficient engine architectures requires advanced
thermal management technologies to handle the demand of refrigeration and lubrication. Oil
systems, holding a double function ...
Desantes Fernández, José Mª; Salvador Rubio, Francisco Javier; Carreres Talens, Marcos; Jaramillo-Císcar, David(SAE International, 2015)
The influence of pressure and temperature on some of the important thermodynamic properties of diesel fuels has been assessed for a set of fuels. The study focuses on the experimental determination of the speed of sound, ...
Llorca Llorca, Héctor(Universitat Politècnica de València, 2020-05-20)
[ES] El efecto Coanda es un fenómeno fluido realmente relevante que es difícil de analizar analíticamente debido a varios efectos interactuantes. El estudio experimental es, por lo tanto, una solución adecuada para ...
Desantes, J.M.; López, J. Javier; García-Oliver, José M; López-Pintor, Darío(Elsevier, 2017-08)
[EN] Seven different chemical kinetic mechanisms for n-dodecane, two detailed and five reduced, have been evaluated under Engine Combustion Network (ECN) thermodynamic conditions by comparison to experimental measurements ...
Desantes Fernández, José Mª; Bermúdez, Vicente; López, J. Javier; López Pintor, Darío(Elsevier, 2016-12-01)
An alternative procedure to predict both high-temperature stage and cool flames ignition delays under
transient thermodynamic conditions is intended to be validated in this paper. An experimental study
has been carried ...
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) ...
[EN] Among the possible electric powerplants currently driving low-payload UAVs (up to around 10 kgof payload), batteries offer certain clear benefits, but for medium-payload operation such as aerotaxisand heavy-cargo ...
[EN] Fuel cell (FC) technologies for mobility are gaining interest as promising options to decarbonize the transport sector in line with the current progress towards the H-2 economy. Previous studies show how the fuel cell ...
Desantes Fernández, José Mª; García Oliver, José María; Pastor Enguídanos, José Manuel; Ramírez Hernández, José Gustavo(Elsevier, 2011-11)
Starting at low temperatures (below 0 °C) is an important issue for current and near future diesel engine technology. Low ambient temperature causes long cranking periods or complete misfiring in small diesel engines and, ...
Desantes Fernández, José Mª; Salvador Rubio, Francisco Javier; Carreres Talens, Marcos; Martínez López, Jorge(SAGE Publications (UK and US), 2015-03)
The cavitation phenomenon has a strong influence on the internal flow and spray development in diesel injector nozzles.
Despite its importance, there are many aspects which still remain unclear, especially for partial ...
Desantes Fernández, José Mª; García-Oliver, José M; Pastor Enguídanos, José Manuel; Olmeda-Ramiro, Iván; Pandal, A.; Naud, B.(Elsevier, 2020-06)
[EN] Engine fuel spray modeling still remains a challenge, especially in the dense near-nozzle region. This region is difficult to experimentally access and also to model due to the complex and rapid liquid and gas ...
Lavagnoli, Sergio(Universitat Politècnica de València, 2012-05-07)
Este trabajo describe la implementación de una sonda capacitiva de alta frecuencia para determinar la distancia entre el carter y la punta de la pala en turbinas para motores de aviación.
[EN] A study on the sources of variability in the measurement of particle size distribution using a two-stage dilution system and an engine exhaust particle sizer was conducted to obtain a comprehensive and repeatable ...
Desantes Fernández, José Mª; García Oliver, José María; Pastor, J.M.; Pandal, A.; Naud, B.; Matusik, K.; Duke, D.; Kastengren, A.; Powell, C.; Schmidt, D.P.(Editorial Universitat Politècnica de València, 2017-07-28)
[EN] Diesel spray modelling still remains a challenge, especially in the dense near-nozzle region. This region is difficult
to experimentally access and also to model due to the complex and rapid liquid and gas interaction. ...