Now showing items 21-34 of 34
Torre Rodríguez, Oscar de la (Date of defense: 2013-02-26)
The dynamic response of any structure submerged in water is significantly modified by the effect of added mass. The inertia of the fluid that the body must accelerate during its vibrational motion decreases its natural ...
Valentín Ruiz, David (Date of defense: 2018-01-23)
Nowadays, hydropower plays an essential role in the energy market. With the massive entrance of new renewable sources such as wind or solar power, hydropower is the only renewable generating source that can provide fast ...
Huguet Ballester, David (Date of defense: 2006-07-20)
La Tesi en qüestió presenta una metodologia per a l'estudi de les Vàlvules Limitadores de Pressió i concretament en les que presenten un tamany reduït, taps de 10 [mm] i amb seccions de pas de fins a 2 [mm], amb prestacions ...
Alcelay Larrión, José Ignacio (Date of defense: 2015-09-10)
In this thesis a study was performed to obtain a model of artificial neural network that is able to predict the flow behavior of steel under hot deformation conditions. The hot compression tests are performed on two types ...
Rius Rueda, Armand (Date of defense: 2017-06-02)
The weight of electric and electronic components of cars has been uninterruptedly increasing through the last decades, and thus the weight of their wiring harnesses. This fact has awakened the interest of car manufacturers ...
Serra López, Roger (Date of defense: 2018-05-22)
Structural health monitoring has been defined as the acquisition, validation and analysis of technical data to facilitate life- cycle management decisions. It is the result of a convergent path from many previous existing ...
An, Bo (Date of defense: 2019-12-12)
The present doctoral thesis is about the numerical investigation simulated via using lattice Boltzmann method (LBM), the applications cover a large scale of subjects, including 1. Mathematical-physical equations A new ...
Zhang, Ming (Date of defense: 2019-07-17)
Hydropower plays a very important role in the world electricity generation nowadays. Hydropower is one type of renewable energy and is the only renewable energy source that can provide a wide range of power regulation with ...
Heras, Salvador de las (Date of defense: 1997-02-26)
En esta Tesis Doctoral se desarrollan los principios básicos que rigen el comportamiento dinámico de un cilindro de suspensión hidroneumática, concibiendo métodos que lo optimizan y explotan al máximo sus propiedades ...
Felipe Blanch, José Juan de (Date of defense: 2004-07-21)
El problema de las emisiones y su efecto directo, el cambio Climático que sufre el planeta, es de ámbito mundial, global, y en él interviene de manera directa el ser humano, como individuo y como sociedad. Esta Tesis, ...
Sureda Carbonell, Bàrbara (Date of defense: 2007-07-06)
Les ciutats d'avui en dia es caracteritzen per un progressiu creixement de la població dins un territori físic limitat. Aquest creixement comporta problemes diversos, com ara la falta d'autocontenció de la ciutat; la ...
Bergadà Granyó, Josep M. (Josep Maria) (Date of defense: 1996-07-24)
La tesis analiza el comportamiento anómalo de una servoválvula instalada en una máquina de electroerosión operando bajo ciertas condiciones de trabajo. <br/>En el primer capítulo de la tesis se describen una serie de ...
Egusquiza Montagut, Mònica (Date of defense: 2020-02-14)
The future of hydropower is tied to the rapid increase of new renewable energies, such as photovoltaic and wind energy. With the growing share of intermittent electricity production, the operation of hydropower installations ...
Elmansy, Reda Mohamed Yousyf Abdallah (Date of defense: 2023-01-19)
(English) This PhD mostly focuses in studding the flow around a square cylinder with an upstream splitter plate and considering different velocity ratios between the upper and lower inlet velocities. The PhD is based in ...