Browsing by Subject "Computational fluid dynamics"
Now showing items 41-60 of 392
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An analysis of the aerodynamic performances of an ancient Spanish windmill
(Universitat Politècnica de Catalunya, 2014-07-11)
Bachelor thesis
Restricted access - author's decisionThe windmill generates power by extracting part of the kinetic energy of the wind, and it was aimed to satisfy the basic needs on XVIII and XIX century in Southern Spain. Wind power has been used as long as humans have put ... -
An efficient Two-Layer wall model for accurate numerical simulations of aeronautical applications
(2019)
Conference report
Open AccessTwo-Layer wall models have been widely studied since they allow wall modeled Large Eddy Simulationsof general non-equilibrium flows. However, they are plagued by two persistent problems, the "log-layermismatch" and the ... -
An efficient two-layer wall model for high Reynolds number large eddy simulation
(International Centre for Numerical Methods in Engineering (CIMNE), 2018)
Conference report
Restricted access - publisher's policyWall-bounded flows at high Reynolds number are an important research field given that they are present in many important industrial applications. Nonetheless, the use of accurate numerical methodologies such as Large Eddy ... -
An immersed boundary method to conjugate heat transfer problems in complex geometries. Application to an automotive antenna
(2019-02-05)
Article
Open AccessConsidering that the most common reason for electronic component failure is the excessive temperature level, an efficient thermal management design can prolong the operating life of the equipment, while also increasing its ... -
An OpenCL-based parallel CFD code for simulations on hybrid systems with massively-parallel accelerators
(Elsevier, 2013)
Conference report
Open AccessA parallel finite-volume CFD algorithm for modeling of incompressible flows on hybrid supercomputers is presented. It is based on a symmetry-preserving high-order numerical scheme for structured meshes. A multilevel ... -
An unstructured CFD approach for numerical weather prediction
(2010)
Conference report
Restricted access - publisher's policyThe aim of this paper is twofold. First, it is difficult for a newcomer in the Numerical Weather Prediction (NWP) community to find similarities with Computational Fluid Dynamics (CFD) techniques as far as the numerical ... -
Analysis of low temperature carbon dioxide capture in a supersonic nozzle
(Universitat Politècnica de Catalunya / Technishe Universität München, 2011)
Master thesis (pre-Bologna period)
Restricted access - author's decisionMost energy scenarios suggest carbon capture and storage (CCS) from power generation might contribute to achieve the carbon emissions reduction necessary to stabilize the long-term global average atmospheric temperature. ... -
Analysis of the forces driving the oscillations in 3D fluidic oscillators
(2019-12-11)
Article
Open AccessOne of the main advantages of fluidic oscillators is that they do not have moving parts, which brings high reliability whenever being used in real applications. To use these devices in real applications, it is necessary ... -
Analysis of two-phase flows under microgravity (spatial) conditions using OpenFOAM
(Universitat Politècnica de Catalunya, 2020-07-23)
Bachelor thesis
Open AccessTwo-phase flows have gained importance over the last years due to their multiple and useful applications in space systems. For example, two-phase flows are used in fuel cells micro-channel networks, in the fluid management ... -
Anàlisi numèric mitjançant OpenFOAM d’un tractament tèrmic
(Universitat Politècnica de Catalunya, 2015-10)
Master thesis (pre-Bologna period)
Open AccessAquest treball pretén aprofundir en l’ús del programari lliure OpenFOAM com a eina útil i versàtil de simulació per Dinàmica de Fluids Computacional; tot centrant-se en l’àmbit de la transferència de calor i les diferents ... -
Análisis CFD aerodinámico de “JukeNismo” con recursos de MareNostrum y CSUC. Diseño de alerón trasero para las "24SERIES"
(Universitat Politècnica de Catalunya, 2015-10)
Master thesis (pre-Bologna period)
Open AccessEl análisis computacional de fluidos (CFD) es un recurso muy valioso para muchas vertientes de la Ingeniería moderna. En este proyecto se aprovecha el Supercomputador MareNostrum, entre otros medios, para realizar dicho ... -
Aplicació de la Dinàmica de Fluids Computacional (CFD) a la generació de dades de disseny d’agitadors mecànics a partir de la simulació de recipients agitats
(Universitat Politècnica de Catalunya, 2006-11)
Master thesis (pre-Bologna period)
Open Access -
Aplicació del mètode d'elements finits en el dimensionat de reactors químics catalítics (model heterogeni)
(Universitat Politècnica de Catalunya, 2006-12)
Master thesis (pre-Bologna period)
Open Access -
Aplicación de los métodos numéricos basados en volúmenes finitos para la resolución de problemas de mecánica de fluidos y sólidos termoelásticos
(Universitat Politècnica de Catalunya, 2013-10)
Master thesis (pre-Bologna period)
Open AccessEste proyecto representa una introducción al análisis numérico computacional para resolver problemas dinámicos con transferencia de calor en medios continuos. El objetivo es, en primer lugar, implementar un código orientado ... -
Aplicaçao da dinâmica dos fluidos computacional para avaliação do potencial eólico em terrenos simples
(Universitat Politècnica de Catalunya / Universidade Federal do Rio Grande do Sul, 2013)
Bachelor thesis
Restricted access - author's decision
Covenantee: Universidade Federal do Rio Grande do SulEste trabalho apresenta um estudo, empregando a Dinâmica dos Fluidos Computacional (CFD), do comportamento do vento sobre modelos em escala de morros hipotéticos simétricos, um bidimensional e um tridimensional. O estudo ... -
Application of a Galerkin finite element scheme to atmospheric buoyant and gravity driven flows
(2010)
Conference report
Restricted access - publisher's policyThe application of a new finite element (FE) technique for the solution of stratified, non-hydrostatic, low-Mach number flows is introduced in the context of mesoscale atmospheric modeling. In this framework, a Compressible ... -
Application of the Lattice Boltzmann Method to Issues of Coolant Flows in Nuclear Power Reactors
(Universitat Politècnica de Catalunya, 2013)
Master thesis (pre-Bologna period)
Open AccessIn the past years, the Lattice Boltzmann Method (LBM) has been widely used by the scientific community as an alternative to the conventional numerical solvers for the Navier-Stokes (NS) equations. The present work in this ... -
Assessment and comparison of a recent kinematic sensitive subgrid length scale in Hybrid RANS-LES
(Springer Nature, 2020)
Conference report
Restricted access - publisher's policyA recent kinematic sensitive subgrid length scale, Δlsq, initially developed for LES applications, is now considered for DES. Even though it is presented as a subgrid length scale, instead of a grey area mitigation (GAM) ... -
Assessment of numerical aspects using LES in particle separation devices
(European Conference for AeroSpace Sciences (EUCASS), 2019)
Conference report
Open AccessNumerical simulations can be a powerful tool for the design and optimization of Foreign Object Debris (FOD) protection and separation devices. This work aims to study the relevance and influence of different modelling and ... -
Benchmarking of state-of-the-art HPC clusters with a production CFD code
(Association for Computing Machinery (ACM), 2020)
Conference report
Open AccessComputing technologies populating high-performance computing (HPC) clusters are getting more and more diverse, offering a wide range of architectural features. As a consequence, efficient programming of such platforms ...
