Browsing by Subject "Mecànica de fluids"
Now showing items 1-20 of 233
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A 3D low-order panel method for unsteady aerodynamic problems
(2010)
External research report
Open AccessAn unsteady low-order panel method for three-dimensional subsonic analyses is presented. The method, which is based on well-established techniques in computational aerodynamics, is intended to achieve a cost-effective ... -
A 3-D volume-of-fluid advection method based on cell-vertex velocities for unstructured meshes
(Elsevier, 2014-05-01)
Article
Restricted access - publisher's policyA new geometrical Volume-of-Fluid (VOF) method for capturing interfaces on three-dimensional (3-D) Cartesian and unstructured meshes is introduced. The method reconstructs interfaces as first- and second-order piecewise ... -
Advances in the simulation of multi-fluid flows with the Particle Finite Element Method: application to bubble dynamics
(2010)
External research report
Open AccessIn this work we extend the Particle Finite Element Method (PFEM) to multi-fluid flow problems with the aim of exploiting the fact that Lagrangian methods are specially well suited for tracking interfaces. We develop a ... -
La aerodinámica del fórmula World Series y mejora de la eficiencia del ala delantera
(Universitat Politècnica de Catalunya, 2016-01)
Bachelor thesis
Open AccessEste documento contiene el análisis de un perfil alar concreto del “flap” de un alerón delantero de un monoplaza de competición, World Series by Renault. Este es un perfil propio de Dallara, empresa que provee a dicha ... -
Aerodynamic performance of a paraglider wing
(Universitat Politècnica de Catalunya, 2017-10-30)
Bachelor thesis
Open AccessThe aim of this project is to carry out an aerodynamic performance analysis of a paraglider by using simulation computational programs with low time cost and computational requirements, but still effective approach obtaining ... -
A FEM-DEM technique for studying the motion of particles in non-Newtonian fluids: application to the transport of drill cuttings in wellbores
(Springer, 2015-11)
Article
Open AccessWe present a procedure for coupling the finite element method (FEM) and the discrete element method (DEM) for analysis of the motion of particles in non-Newtonian fluids. Particles are assumed to be spherical and immersed ... -
A finite-volume/level-set interface capturing method for unstructured grids: Simulations of bubbles rising through viscous liquids
(WIT Press, 2014)
Conference report
Open AccessA numerical method is developed for simulating two-phase flows with moving inter-phase boundaries, which is integrated in a finite-volume framework on collocated unstructured grids of arbitrary element type. The location, ... -
Air recovery assessment on high-pressure pneumatic systems
(2016-05-23)
Article
Open AccessA computational simulation and experimental work of the fluid flow through the pneumatic circuit used in a stretch blow moulding machine is presented in this paper. The computer code is built around a zero-dimensional ... -
ALBA cooling system 1D model and thermo-fluid dynamic simulations using Flowmaster® software
(2014-04-30)
External research report
Restricted access - confidentiality agreementThe Center for Industrial Diagnostics and Fluid Dynamics (CDIF) is a R&D center within the Technical University of Catalonia (UPC). It belongs to the TECNIO network, a technology transfer initiative from ACC10, the Technology ... -
ALBA Cooling System Upgrade: Thermal Hydraulic Numerical Simulations
(2014)
Conference lecture
Restricted access - publisher's policy -
A level-set aided single-phase model for the numerical simulation of free-surface flow on unstructured meshes
(Elsevier, 2016-11-25)
Article
Open AccessA new single-phase scheme for the numerical simulation of free-surface problems on 3-D unstructured meshes is presented. The flow field is obtained from the discrete solution of the incompressible Navier-Stokes equations, ... -
A mechanism for streamwise localisation of nonlinear waves in shear flows
(2015-09-01)
Article
Open AccessWe present the complete unfolding of streamwise localisation in a paradigm of extended shear flows, namely two-dimensional plane Poiseuille flow. Exact solutions of the Navier-Stokes equations are computed numerically and ... -
Anàlisi aerodinàmica d’una pilota de futbol
(Universitat Politècnica de Catalunya, 2018-01-18)
Bachelor thesis
Open AccessDe quina manera es poden combinar ciència i esport per acabar donant un bon resultat? Hi ha algun tipus de fórmula matemàtica que doni amb la tecla adequada i permeti automatitzar la pràctica esportiva? De ben segur que, ... -
Anàlisi fluidodinàmic i modelització d'un drone de combustió interna
(Universitat Politècnica de Catalunya, 2015-04)
Master thesis (pre-Bologna period)
Restricted access - author's decisionL'objectiu d'aquest projecte és analitzar si és viable construir un drone amb motor d'explosi ó desde el punt de vista fluidomecànic, i fer el model matemàtic del drone, per poder fer el control d'aquest en un futur. El ... -
Análisis numérico de las funciones corriente circulación y vorticidad, para flujo rotatorio con frontera rígida
(Universitat Politècnica de Catalunya. CIMNE, 2010)
Article
Open AccessEn este trabajo se obtienen y analizan los campos de las funciones vorticidad tangencial, circulación y corriente meridional, que se generan en el interior de un cilindro cerrado que tiene el fondo giratorio y la tapa ... -
An empirical methodology for prediction of shape and flow rate of a free-falling non-submerged liquid and casting iron stream
(2016-09-19)
Article
Open AccessThe work presented in this article demonstrates the use of an empirical and simplified approach based on an optical technique and a home-made ad hoc code that give knowledge of the shape and falling velocity of a free-falling ... -
An optofluidic router in a low-cost (PDMS) platform for rapid parallel sample analysis
(Universitat Politècnica de Catalunya, 2016-09-09)
Master thesis
Open AccessOptofluidic system for (bio)chemical applications are becoming more demanding in terms of num- ber of control points, number of light sources and readout equipment. So far, most of these sys- tems require several light ... -
A novel fabrication technique to minimize poly(dimethylsiloxane)-microchannels deformation under high-pressure operation
(2013-10-27)
Article
Restricted access - publisher's policyPDMS is one of the most common materials used for the flow delivery in the microfluidics chips, since it is clear, inert, nontoxic, and nonflammable. Its inexpensiveness, straightforward fabrication, and biological ... -
A numerical method for computing unstable quasi-periodic solutions for the 2-D Poiseuille flow
(1999)
Article
Open Access -
A power flow analysis of a double-deck circular tunnel embedded in a full-space
(2014-02)
Article
Restricted access - publisher's policyThe purpose of the present investigation is to obtain the mean power flow radiated by a double-deck circular tunnel and compares it to the one radiated by a simple circular tunnel. To achieve this, a harmonic line load is ...
