Now showing items 10-29 of 34
Kumar, Sushil (Date of defense: 2010-07-16)
En el ámbito de la Oleohidráulica, las bombas de pistón poseen los diseños más sofisticados, de hecho, las bombas de pistones son las únicos capaces de trabajar a altas presiones, además de poseer el mejor rendimiento de ...
García Vílchez, Mercedes (Date of defense: 2014-07-31)
Positive displacements pumps, as currently designed, produce significant flow pulsations that result in pressure pulsations. These pulsations contribute to the global noise generated by the installation. Moreover, they ...
Mushyam, Aditya (Date of defense: 2016-11-23)
The aim of this Ph.D. thesis, "Effects of flow control on flow past bluff bodies" is to study and analyzes the effects of Flow Control on various aspects and proverbs of flow past bluff bodies. Flow control techniques are ...
Trujillo, José A. (Date of defense: 2015-11-27)
The energy efficiency assessment of high-pressure pneumatic circuits is the aim of this dissertation. From a historical perspective the past and cur- rent activities with regards to the energy saving conservation in pneumatic ...
Freire Venegas, Francisco Javier (Date of defense: 2003-01-31)
El conocimiento del comportamiento de los sistemas con elementos flexibles es cada vez mas importante en la técnica moderna. La notable mejora de las prestaciones dinámicas que comporta la reducción de la masa de los ...
Guijón Amengual, Manuel (Date of defense: 2006-10-06)
La Tesis en cuestión presenta un estudio sobre el comportamiento de la rigidez de una suspensión neumática, así como de los parámetros que la definen y/o afectan.<br/>El trabajo realizado propone un modelo capaz de predecir ...
Cánovas Bermejo, Catalina (Date of defense: 2016-01-21)
The present thesis is undertaken to study the use of an aqueous solution of LiCl as a secondary refrigerant, due to its dehydrating properties, in those refrigeration applications that require mainly the air dehumidification ...
Carbonell Ventura, Montserrat (Date of defense: 2000-02-04)
La experimentación y posterior modelización de los procesos de transporte y transferencia de calor y de masa en medios poroso saturados encuentra un gran número de dificultades que se derivan fundamentalmente de la ...
Campo Gatell, Vanessa del (Date of defense: 2013-03-22)
One of the challenges of the wind energy community today is to improve the existing background on the aerodynamic phenomena of a Horizontal Axis Wind Turbine (HAWT), the prediction of the wind speed distribution on the ...
Bottini, Henny (Date of defense: 2014-03-28)
Turbulence onset within an initially laminar flow is one of the most common phenomenon in Fluid Mechanics, yet is an open field of research. This is due to the many and diverse causes that can trigger turbulence, which ...
Fernández Gámiz, Unai (Date of defense: 2013-11-26)
The main objective of this PhD thesis is the fluid dynamic characterization of the flow behind vortex generators (VG) as well as to investigate their influence in the separation of the boundary layer. CFD simulations have ...
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 ...