Mostrando ítems 11-20 de 27
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 ...
Sarabandi, Soheil (Fecha de defensa: 2021-04-27)
Since the map from quaternions to rotation matrices is a 2-to-1 covering map, this map cannot be smoothly inverted. As a consequence, it is sometimes erroneously assumed that all inversions should ...
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 ...
Martínez González, Eva (Fecha de defensa: 2014-01-30)
This thesis is focused on the calibration of the Acoustic Emission (AE) technique to detect and identify damage mechanisms in tool steels. The AE measurement procedure has been calibrated for two ...
Yago Llamas, Daniel (Fecha de defensa: 2022-01-24)
This doctoral thesis addresses topology optimization problems at a single scale. Based on this purpose, a new topology optimization approach is developed in order to improve existing and widespread ...
Sánchez Egea, Antonio José (Fecha de defensa: 2016-01-26)
This thesis presents a study on the variation of the mechanical properties of some materials. These variations are registered for processes as bottom bending, wire drawing or round turning, which are ...
Torre Sangrà, David de la (Fecha de defensa: 2020-07-28)
Interplanetary travel is a difficult task due to the high fuel mass required to reach other planets. Minimizing the cost of the manoeuvres (and, in turn, the fuel mass) is the objective preliminary ...
Hameed, Saqib (Fecha de defensa: 2017-09-22)
The thesis presented is performed with the aim of studying the effect of electropulses (EPs) in machining processes such as drilling and round turning processes for different materials. When the EPs of ...
Ordóñez Izquierdo, Víctor Hugo (Fecha de defensa: 2022-09-22)
Electromagnetic vibration energy harvesting is a relatively modern technology that has received relevant attention in the last decade from the research community and industry as a potential complement ...