Listar Dpto. Ingeniería Mecánica, Energética y de Materiales - Mekanika, Energetika eta Materialen Ingeniaritza Saila por fecha de publicación
Mostrando ítems 1-20 de 99
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Nuevas tecnologías de tratamiento dúplex para la mejora de la adherencia de recubrimientos DLC sobre acero inoxidable austenítico
El acero inoxidable austenítico AISI 316L, conocido por sus excelentes propiedades anticorrosivas y resistencia a la corrosión en ambientes agresivos, ha sido un material fundamental en diversas aplicaciones industriales ... -
Desarrollo de receptores solares volumétricos activos de elevadas prestaciones para centrales termoeléctricas deconcentración en torre
Como se ha comentado previamente, en el Capítulo 4 se ha desarrollado un modelo CFD del prototipo ensayado en el banco de ensayos. El objetivo de este modelo es reproducir las condiciones de flujo y radiación otorgadas por ... -
Environmental impact analysis of natural cork stopper manufacturing
For both wine makers and customers, natural cork stoppers are a symbol of quality. More-over, they are essential for maintaining the organoleptic properties of bottled wines throughout their lifespan. This research relied ... -
Desarrollo de una aleación secundaria de aluminio orientado a la fabricación de componentes de alta ductilidad mediante el proceso de fundición inyectada a alta presión
(2022) Tesis doctoral / Doktoretza tesiaEl objetivo principal del presente trabajo de investigación es el desarrollo de una aleación secundaria de aluminio orientado a la fabricación de componentes de alta ductilidad mediante el proceso de fundición inyectada ... -
Methodology for energy demand reduction of potato cold storage process
In order to maintain the quality of the potatoes over time, it is necessary to store them under certain storage conditions, which minimize losses both of quality and product, preferably without using chemical treatments. ... -
Influence of maintenance actions in the drying stage of a paper mill on CO2 emissions
Greenhouse gases from industrial activities have become a global problem. Emissions management is being developed to raise awareness of the importance of controlling pollution in general and atmospheric emissions in ... -
Kinematic design of a new four degree-of-freedom parallel robot for knee rehabilitation
Rehabilitation robots are increasingly being developed in order to be used by injured people to perform exercise and training. As these exercises do not need wide range movements, some parallel robots with lower mobility ... -
Auxiliary consumption: a necessary energy that affects thermoelectric generation
Waste heat recovery can apply to a wide range of applications, from transportation, or industries to domestic appliances. Thermoelectric generation technology applied to those cases could produce electrical energy and thus ... -
Symbolic multibody methods for real-time simulation of railway vehicles
In this work, recently developed state-of-the-art symbolic multibody methods are tested to accurately model a complex railway vehicle. The model is generated using a symbolic implementation of the principle of virtual ... -
Characterization of two iron bullets from the royal ammunition factory of Eugi (Spain)
In this work, a comparative analysis of two iron bullets found in The Royal Ammunition Factory of Eugi in Navarra (Spain) was performed. Both bullets presented a spherical shape with a relatively good state of preservation, ... -
Desarrollo de recubrimientos PVD bactericidas. Evaluación de sus propiedades mecánicas, tribológicas y funcionales
Esta tesis está centrada en el estudio de las propiedades superficiales de recubrimientos duros PVD dopados con metales bactericidas. Se han estudiado sus propiedades superficiales, mecánicas y tribológicas además del ... -
Experimental and computational study on thermoelectric generators using thermosyphons with phase change as heat exchangers
An important issue in thermoelectric generators is the thermal design of the heat exchangers since it can improve their performance by increasing the heat absorbed or dissipated by the thermoelectric modules. Due to its ... -
Thermoelectric generators for waste heat harvesting: a computational and experimental approach
Waste heat generation has a widespread presence into daily applications, however, due to the low-temperature grade which presents, its exploitation with the most common technologies is complicated. Thermoelectricity ... -
Net thermoelectric power generation improvement through heat transfer optimization
Thermoelectric generation contributes to obtain a more sustainable energetic system giving its potential to harvest waste heat and convert it into electric power. In the present study a computational optimal net generation ... -
Analytical modelling of energy density and optimization of the EDM machining parameters of Inconel 600
In this present research work, a new modelling of energy density in EDM (Electrical Discharge Machining) is proposed. Energy density can be defined as the amount of energy needed to get a unit volume of material removed, ... -
CO2 emissions reduction and energy efficiency improvements in paper making drying process control by sensors
The drying process of paper has many production parameters that can influence both the energy consumed and the characteristics of paper produced. It was found that most of the previous studies conducted on this process ... -
Analysis of fatigue and wear behaviour in ultrafine grained connecting rods
Over the last few years there has been an increasing interest in the study and development of processes that make it possible to obtain ultra-fine grained materials. Although there exists a large number of published works ... -
Design and mechanical properties analysis of AA5083 ultrafine grained cams
This present research work deals with the development of ultrafine grained cams obtained from previously ECAP (Equal Channel Angular Pressing)-processed material and manufactured by isothermal forging. The design and the ... -
Effect of the temperature in the mechanical properties of austenite, ferrite and sigma phases of duplex stainless steels using hardness, microhardness and nanoindentation techniques
The aim of this work is to study the hardness of the ferrite, austenite and sigma phases of a UNS S32760 superduplex stainless steel submitted to different thermal treatments, thus leading to different percentages of the ... -
Desarrollo de recubrimientos PVD cuaternarios de tipo nitruro, óxido y oxinitruro para aplicaciones de trabajo en caliente
La tesis consiste en una aportación en el campo de los recubrimientos PVD para aplicaciones en procesos de conformado y moldeo a alta temperatura. Para ello se ha abordado el estudio de una serie de familias de recubrimientos ...