Browsing Departament de Màquines i Motors Tèrmics by Subject "536"

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Numerical simulation of turbulent diffusion flames using flamelet models on unstructured meshes

Ventosa Molina, Jordi (Date of defense: 2015-10-02)

The present thesis aims at developing numerical methods and algorithms for the efficient simulation of diffusion flames in the flamelet regime. To tackle turbulent chemically reacting flows a double framework is used in ...

Numerical Simulation of Turbulent Flows. Multiblock Techniques. Verification and Experimental Validation

Cadafalch Rabasa, Jordi (Date of defense: 2002-09-27)

Work here presented is the result of basic research in key aspects of the currently available engineering tools and methodologies for the design, optimisation and development of thermal systems and equipment: turbulence ...

Numerical simulations of thermal storage systems : emphasis on latent energy storage using phase change materials (PCM)

Galione Klot, Pedro Andrés (Date of defense: 2014-12-23)

The present thesis aims at studying the use of phase change materials (PCM) in thermal energy storage (TES) applications and to develop and implement numerical tools for their evaluation. Numerical analysis is nowadays an ...

Numerical study and experimental optimization of air curtains

Giráldez García, Héctor (Date of defense: 2015-04-17)

he main objective of the present thesis is to study and optimize the sealing efficiency of air curtains. Therefore, the phenomenology of the breakthrough and the parameters which affect it has been studied. However, ...

Numerical study of the non-Oberbeck-Boussinesq effects in turbulent water-filled cavities

Kizildag, Deniz (Date of defense: 2016-02-08)

The work carried out in the framework of the present thesis aims at shedding light into the complex phenomena involved in turbulent water-filled cavities, questioning the validity of the well-established Oberbeck-Boussinesq ...

Parallel multigrid algorithms for computational fluid dynamics and heat transfer

Soria Guerrero, Manel (Date of defense: 2000-07-18)

The main purpose of the dissertation is to contribute to the development of numerical techniques for computational heat transfer and fluid flow, suitable for low cost (loosely coupled) parallel computers. It is focused on ...

Parallel object-oriented algorithms for simulation of multiphysics : application to thermal systems

López Mas, Joan (Date of defense: 2016-02-05)

The present and the future expectation in parallel computing pose a new generational change in simulation and computing. Modern High Performance Computing (HPC) facilities have high computational power in terms of operations ...

Simulación numérica y validación experimental de evaporadores, condensadores y tubos capilares. Integración en sistemas de refrigeración por compresión

García Valladares, Octavio (Date of defense: 2000-07-18)

La presente Tesis centra la atención en la simulación numérica y validación experimental del comportamiento térmico y fluido-dinámico de flujos bifásicos (líquido-vapor), así como su aplicación en sistemas y equipos térmicos, ...

Sistema de Inyección no cartográfico para motores de ciclo otto. Gestión de transitorios

Gutiérrez González, Ernesto (Date of defense: 2003-01-17)

.<br/>Se desarrolla un Sistema de Gestión de la Inyección Secuencial de Combustible en el Colector de Admisión del motor de ciclo Otto, el cual basa su gestión en tres señales analógicas que definen: la composición de la ...

Three-dimensional numerical simulation of fluid flow and heat transfer in fin-and-tube heat exchangers at different flow regimes

Paniagua Sánchez, Leslye (Date of defense: 2014-07-30)

This thesis aims at unifying two distinct branches of work within the Heat Transfer Technological Center (CTTC). On one side, extensive experimental work has been done during the past years by the researchers of the ...