Capacidad de carga de cilindros oleohidráulicos 

    Salazar Marín, Edgar Alonso (Date of defense: 2006-12-12)

    Esta tesis está relacionada con un proyecto macro cuyo título es "New design and manufacturing processes for high pressure fluid power products" -2004-2008 (acrónimo: PROHIPP), el cual es cofinanciado por la Unión Europea ...

    Caracterització del flux a causa de la interacció rotor-estator en turbomàquines mitjançant CFD 

    Fontanals García, Alfred (Date of defense: 2013-02-15)

    A les turbomàquines pot haver una forta interacció entre els àleps del rodet i les directrius del difusor que afecten la dinàmica del flux i el rendiment estructural de les màquines. Aquest fenomen s’anomena interacció ...

    Caracterización fluidodinámica de una bomba oleohidráulica de engranajes internos generados por perfiles trocoidales 

    Gámez Montero, Pedro Javier (Date of defense: 2004-12-20)

    En los últimos años, los trabajos de investigación están muy motivados por todo aquello que contribuye a reducir el ruido emitido por los sistemas oleohidráulicos. Como ha sido demostrado por varios investigadores, el ...

    CFD Analysis of an axial piston pump 

    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 ...

    Design tools applied to a trochoidal gear pump 

    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 ...

    Effects of flow control on flow past bluff bodies 

    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 ...

    Energy efficiency of high pressure pneumatic systems 

    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 ...

    Estudio cinemático y dinámico de un sólido elástico giratorio accionado mediante un servoactuador hidráulico 

    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 ...

    Estudio de la rigidez neumática de suspensiones para vehículos 

    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 ...

    Estudio de mezclas de refrigerantes para un circuito frigorífico aplicado a la deshumidificación del aire 

    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 ...

    Estudio experimental del proceso de calentamiento de medios porosos saturados hasta ebullición-"Dryout" de su fase líquida 

    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 ...

    Experimenal study of the aerodynamics of a horizontal axis wind turbine 

    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 ...

    Experimental investigation of induced supersonic boundary layer transition 

    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 ...

    Fluid dynamic characterization of vortex generators and two-dimensional turbulent wakes 

    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 ...

    Influence of cavitation on the dynamic response of hydrofoils 

    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 ...

    Influence of the boundary conditions on the dynamic behavior of large hydraulic machines 

    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 ...

    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 ...