Now showing items 23-34 of 34

    Metodologia per a la miniaturització de components oleohidràulics. 

    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 ...

    Modelización de los procesos de conformado en caliente de los aceros microaleados de medio carbono mediante la aplicación de redes neuronales artificiales 

    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 ...

    A novel optimization methodology of modular wiring harnesses in modern vehicles : weight reduction and safe operation 

    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 ...

    Numerical and experimental investigation of spectral domain vibration based indicators for structural health monitoring 

    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 ...

    Numerical investigation on applications simulated via using lattice Boltzmann method 

    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 ...

    On the changes in dynamic behavior produced by the hydraulic turbine runner damage 

    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 ...

    Optimización de suspensiones hidroneumáticas con amortiguador integrado 

    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 ...

    Posibles escenarios futuros mundiales de emisiones y absorciones de CO2 y cumplimiento de los acuerdos de Kyoto 

    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, ...

    Proposta metodològica per a l'anàlisi de la sostenibilitat, utilitzant indicadors i índexs, implementats i analitzats amb una eina de suport al raonament. Cas d'estudi: municipi de Terrassa 

    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 ...

    Servoposicionador electro-oleohidráulico para una máquina de electroerosión 

    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 ...

    Study of the dynamic behavior of Pelton Turbines 

    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 ...

    Study of the flow around a square cylinder with an upstream splitter plate 

    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 ...