Farré Lladós, Josep (Date of defense: 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 ...
Chrysokentis, Georgios (Date of defense: 2019-04-03)
This thesis develops a large eddy simulation framework for engineering applications using the finite element method. It focuses on the numerical formulation, the wall modelling approach as well as the ...
Martín Román, Sara-Regina (Date of defense: 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 ...
Matulka, Anna Magdalena (Date of defense: 2010-03-19)
Several series of experiments in stratified and in rotating/stratified decaying flows after a grid is used to stir the two layer stable fluid brine and fresh water set up. We measure by comparing the ...
Larion, Ygee (Date of defense: 2022-02-01)
In a large number of geo-environmental applications, it is essential to model coupled processes that depend on several design parameters such as material properties and geometrical features. ...
Cugueró Escofet, Miguel Àngel (Date of defense: 2010-03-05)
Aquesta tesi presenta treball original i aplicat en l'àrea del control i la col·locació de sensors/actuadors (S/A) en sistemes de Control Actiu de Soroll (ANC). Primer, s'han aplicat tècniques de control ...
Zhao, Weiqiang (Date of defense: 2021-07-21)
As a type of renewable energy that can provide rapid response to the requirement of the power grid, hydropower plays a fairly important position in the energy market. In recent years, with the enormous ...
Prieto Martínez, Pere Daniel (Date of defense: 2014-10-02)
Geometrical physics is a relatively young branch of applied mathematics that was initiated by the 60's and the 70's when A. Lichnerowicz, W.M. Tulczyjew and J.M. Souriau, among many others, began to ...
Santasusana Isach, Miquel (Date of defense: 2016-12-01)
This works encompasses a broad review of the basic aspects of the Discrete Element Method for its application to general granular material handling problems with special emphasis on the topics of ...
Campo Sud, David del (Date of defense: 2012-04-27)
Hydraulic machines are faced with increasingly severe performance requirements. The need to design smaller and more powerful machines rotating at higher speeds in order to provide increasing efficiencies, ...