Listar Dpto. Ingeniería Mecánica, Energética y de Materiales - Mekanika, Energetika eta Materialen Ingeniaritza Saila por fecha de publicación
Mostrando ítems 41-60 de 99
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Desarrollo de procesos termoquímicos para el tratamiento simultáneo de envejecimiento y nitruración en plasma de aceros maraging
El trabajo de investigación que se describe en esta tesis persigue un objetivo fundamental, que es el desarrollo de procesos de nitruración en plasma activados por arco eléctrico, susceptibles de ser trasladados a escala ... -
Caracterización de fundiciones de grafito esferoidal y matriz ferrítica, resistentes al impacto a baja temperatura
El material elegido por los diseñadores de las turbinas eólicas para varios de sus componentes de gran tamaño es la fundición de grafito esferoidal denominada EN-GJS-400- 18-LT. Este tipo específico de fundición pertenece ... -
Nanomaterials for functional textiles and fibers
Nanoparticles are very interesting because of their surface properties, different from bulk materials. Such properties make possible to endow ordinary products with new functionalities. Their relatively low cost with ... -
Experimental investigation of the applicability of a thermoelectric generator to recover waste heat from a combustion chamber
A thermoelectric generator prototype has been built; it produces 21.56 W of net power, the produced thermoelectric power minus the consumption of the auxiliary equipment, using an area of 0.25 m2 (approximately 100 W/m2). ... -
Estudio y optimización de los sistemas de intercambio de calor en generación termoeléctrica aplicada al aprovechamiento del calor residual
La presente tesis doctoral estudia el aprovechamiento del calor residual mediante generación termoeléctrica para la obtención de potencia eléctrica generada gracias al efecto Seebeck. Dos son las aproximaciones empleadas, ... -
Desarrollo de nuevos procesos de fabricación de nanoestructuras para aplicaciones ópticas avanzadas basados en litografía por interferencia láser
En esta tesis doctoral se presentan varios procesos de fabricación de nanoestructuras periódicas mediante litografía por interferencia láser, desarrollados para diferentes aplicaciones. En la primera parte se muestra el ... -
Design, optimization, and mechanical property analysis of a submicrometric aluminium alloy connecting rod
Ultrafine grained materials have a great deal of both scientific and technological interest because they allow outstanding properties to be obtained. An improvement in the mechanical strength and in the ductility and a ... -
Mechanical properties analysis of an Al-Mg alloy connecting rod with submicrometric structure
Over these last few years, there has been a growing interest in developing mechanical components from submicrometric materials due to the significant improvement that these materials present compared to their original ... -
Comparative study of the damage attained with different specimens by FEM
This present research work deals with the analysis of the design of different specimen geometries so that by finite volume simulations, the appearance of cracks may be predicted in the case of forging processes. To this ... -
Design and optimization of the dies for the isothermal forging of a cam
In the present study, the design of the dies required for the isothermal forging of a cam is analysed by finite volume method. Specifically, cams are of great importance in automotive industry, where a lower weight and ... -
Coupled biomechanical response of the cornea assessed by non-contact tonometry. A simulation study
The mechanical response of the cornea subjected to a non-contact air-jet tonometry diagnostic test represents an interplay between its geometry, the corneal material behavior and the loading. The objective is to study ... -
Surface roughness analysis on the dry turning of an Al-Cu alloy
Nowadays, surface finish has become an important indicator of quality and precision in manufacturing processes and it is considered one of the most important parameter in Industry. In this present study, the influence of ... -
In vitro comparison of Günther Tulip and Celect filters. Testing filtering efficiency and pressure drop
In this study, the trapping ability of the Günther Tulip and Celect inferior vena cava filters was evaluated. Thrombus capture rates of the filters were tested in vitro in horizontal position with thrombus diameters of 3 ... -
A theoretical model of the endothelial cell morphology due to different waveforms
Endothelial cells are key units in the regulatory biological process of blood vessels. They represent an interface to transmit variations on the fluid dynamic changes. They are able to adapt its cytoskeleton, by means of ... -
Numerical and experimental study of the fluid flow through a medical device
The purpose of this paper is to verify a commercial software based fluid–structure interaction scheme for the inferior vena cava. Vena cava deep thrombosis (TVP) is a potentially deathly disease consequent to pulmonary ... -
Dynamic considerations of heel-strike impact in human gait
Based on the impulsive-dynamics formulation, this article presents the analysis of different strategies to regulate the energy dissipation at the heel-strike event in the context of human locomotion. For this purpose, a ... -
Object-oriented modeling for the transient performance simulation of solar thermal power plants using parabolic trough collectors: a review and proposal of modeling approaches for thermal energy storage
La intención de este trabajo es extender las técnicas actuales de modelización del almacenamiento térmico activo directo y activo indirecto, con dos tanques y sales fundidas como medio de almacenamiento. Con el objetivo ... -
Computational and experimental study of a complete heat dissipation system using water as heat carrier placed on a thermoelectric generator
The heat dissipation systems which have liquids as heat carriers outperform conventional dissipation systems at thermoelectric generators (TEGs). However, new elements need to be introduced such as pumps, secondary heat ... -
Study of a complete thermoelectric generator behavior including water-to-ambient heat dissipation on the cold side
The reduction of the thermal resistances of the heat exchangers of a thermoelectric generation system (TEG), leads to a significant increase in the TEG efficiency. For the cold side of a thermoelectric module (TEM), a wide ... -
Experimental study and optimization of thermoelectric-driven autonomous sensors for the chimney of a biomass power plant
In the work discussed in this paper a thermoelectric generator was developed to harness waste heat from the exhaust gas of a boiler in a biomass power plant and thus generate electric power to operate a flowmeter installed ...