Tormos, B.; García-Oliver, José M; Carreres, Marcos; Moreno-Montagud, Carlos; Domínguez, Beatriz; Cárdenas, María Dolores; Oliva, Fermín(SAGE Publications, 2022-08)
[EN] Low-speed pre-ignition (LSPI) remains one of the challenges of Direct Injection (DI) Spark Ignition (SI) engines due to its potential to induce a heavy knock. Several mechanisms have been identified in the literature ...
This work presents a comparative assessment of engine oil performance on field test using urban transport vehicles powered by compressed natural gas engines using two different mineral oil formulations approved by engine ...
[EN] One of the most attractive ways to tackle vehicle engine's inefficiencies is the use of Low Viscosity Engine Oils (LVEO). Adopted some decades ago for their use in the Light Duty segment, LVEO are now reaching the ...
[EN] Low viscosity engine oils have shown to be an effective solution to the fuel consumption reduction target, however, their potential is closely linked to the vehicle and engine design and to the real driving conditions. ...
Dávila Ortiz, Olegario Armando(Universitat Politècnica de València, 2011-09-23)
El Trabajo Final de Máster, muestra los diferentes mantenimientos preventivos-normativos aplicables a las instalaciones de un Edificio. También nos permite conocer cómo se puede implantar la gestión de los trabajos correctivos ...
The use of biodiesel fuels in diesel engines is gaining attention as a promising solution to control CO2
emissions. Great research efforts have been carried out to identify the impact of biodiesel physical and
chemical ...
Benajes Calvo, Jesus Vicente; Tormos Martínez, Bernardo Vicente; García Martínez, Antonio; Monsalve Serrano, Javier(SAE International, 2014-10)
Along the last years, engine researchers are more and more focusing their efforts on the advanced low temperature combustion (LTC) concepts with the aim of achieving the stringent limits of the current emission legislations. ...
Rosal Aleixandre, Jesús(Universitat Politècnica de València, 2024-04-15)
[ES] En el presente TFM se muestra el proceso a seguir para la implantación de un proyecto piloto del sistema de gestión de almacenes y stocks junto con el módulo de gestión de compras en el GMAO comercial Coswin 8i. El ...
Duart Benavent, Carles(Universitat Politècnica de València, 2021-10-07)
[ES] Actualmente, en la planta de prensas de una empresa que fabrica automóviles, cuando tiene lugar una acción correctiva por una avería de emergencia (este tipo de averías se producen cuando el equipo de guardia actúa ...
[ES] El presente trabajo está enfocado al estudio de las líneas productivas,
dentro de la fábrica Zumos Valencianos del Mediterráneo, para la identificación
de problemas o puntos de mejora, principalmente a nivel de ...
Roque Izquierdo, Pedro(Universitat Politècnica de València, 2015-07-17)
El siguiente documento recoge un resumen de las actividades realizadas para la implantación de un sistema de Mantenimiento Preventivo y Correctivo en una empresa que se dedica a la producción de embalajes o empaques de ...
Ortega Ginés, Ricardo(Universitat Politècnica de València, 2018-01-04)
[EN] The set up, in a private company, of predictive maintenance based on vibration analysis in rotating machines is presented. The justification about predictive analysis is studied to compare with preventive maintenance ...
Yaryura Paulino, Yusif Rafael(Universitat Politècnica de València, 2020-10-23)
[ES] El presente trabajo tiene el objetivo de investigar y analizar el Mantenimiento en España. El método de toma de datos es a través de la encuesta El Mantenimiento en España. Edición 2020 , la cual, se ejecuta en ...
[EN] For heavy-duty vehicles and road transportation, fuel consumption and associated CO2 emissions have been of great concern, which has led to the development and implementation of technologies to reduce their impact on ...
Sanjose Vilanova, Aida(Universitat Politècnica de València, 2021-10-11)
[ES] Actualmente en el sistema GMAO comercial que se distribuye a los clientes, cuando se produce una incidencia en alguna parte de la instalación o en una máquina en concreto que requiere de mantenimiento correctivo, el ...
PERALES LUNA, NUMAN(Universitat Politècnica de València, 2016-07-19)
The objective of the present work is to carry out an analysis of the performance and life of bearings used in railways transporting ore. The project determined the nominal life (L10) for a single type of bearing commonly ...
Tormos, B.; García-Oliver, José M; Bastidas-Moncayo, Kared Sophia; Domínguez, Beatriz; Oliva, Fermín; Cárdenas, Dolores(Elsevier, 2020-10-15)
[EN] One source of low-speed pre-ignition in turbocharged gasoline direct injection engines is the presence of oil droplets in the combustion chamber. In this study, oil droplets released due to the piston reciprocating ...
Galar, Diego; Berges, Luis; Lambán, Mª Pilar; Tormos Martínez, Bernardo Vicente(Universidad Nacional de Colombia, 2014-04)
[EN] The measurement of the performance in the maintenance function has produced large sets of indicators that due to their nature and
disparity in criteria and objectives have been grouped in different subsets lately, ...
[EN] The present study gives a general outline for the fluid-dynamical calculation of flows at high pressure conditions. The main idea is to present a mathematical description of high pressure processes in liquids at ...
Low viscosity engine oils (LVO) are considered key contributor for improving fuel economy in internal combustion engines (ICE). Attending that the use of LVO could imply a variation in tribological states found in ICE, ...