Mostrando ítems 1-10 de 20
González Guitiérrez, Ramiro Arturo (Fecha de defensa: 2012-01-09)
Degeneration and age affect the biomechanics of the intervertebral disc, by reducing its stiffness, flexibility and shock absorption capacities against daily movement and spinal load. The biomechanical ...
Mohammadi, Mahdi (Fecha de defensa: 2015-04-10)
Lab-on-a-Chip (LOC) integrated microfluidics has been a powerful tool for new developments in analytical chemistry. These microfluidic systems enable the miniaturization, integration and automation of ...
Gómez Gras, Giovanni (Fecha de defensa: 2015-04-17)
The aim of this thesis is studying and characterizing a ball burnishing process assisted with vibrations. By introducing vibrations in the overall process, results are enhanced if compared to the ones ...
Otero Yugat, Jesús (Fecha de defensa: 2010-02-11)
La principal causa de las vibraciones generadas por la circulación de un tren reside en el contacto rueda-carril, concretamente en las fluctuaciones de la fuerza de contacto provocadas por las irregularidades ...
Nápoles Alberro, Amelia (Fecha de defensa: 2019-09-10)
To contribute in the increase of the productivity and to the energetic saving in companies, the present thesis focuses the investigation on the process of grinding. The energetic efficiency grinding one ...
Farré Lladós, Josep (Fecha de defensa: 2015-04-28)
Manufacturers of wind turbines have observed a new phenomenon that appears in high power wind turbines: excessive wear in the teeth located at 0º in the pitch bearing. In order to design more efficient ...
Martín Román, Sara-Regina (Fecha de defensa: 2013-07-15)
The present thesis investigates a passive acoustic method to locate maneuvering aircraft. The method is based on the acoustical Doppler effect, as a particular effect of the signals received by a mesh ...
Travieso Rodríguez, José Antonio (Fecha de defensa: 2010-09-21)
Mejorar el acabado superficial de una pieza plana o cilíndrica, se puede hacer de manera relativamente sencilla, utilizando para ello un proceso de rectificado. Sin embargo lograr un buen acabado ...
Madadi, Hojjat (Fecha de defensa: 2014-01-17)
Recently, the emergence of lab-on-a-chip devices has seen in a variety of applications especially in clinical analys is and diagnostics. ln particular the lack of suitable microdevices for separation ...
Jerez Mesa, Ramón (Fecha de defensa: 2018-03-02)
This dissertation is an experimental research project into the mechanical effects of the ultrasonic vibration-assisted ball burnishing process on the surface integrity of surfaces machined through ...