Exploració per tema "Computational Fluid Dynamics (CFD)"
Ara es mostren els items 1-16 de 16
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A 3D CFD numerical study of the bubble generation process into a bubble Tjunction generator and its comparison with experimental data: Part I
(2016)
Text en actes de congrés
Accés obertThis work presents a 3D numerical study of the bubble generation process into a bubble generator obtained with the commercial Computational Fluid Dynamics solver ANSYS Fluent v15.0.7, and its comparison with experimental ... -
A 3D CFD numerical study of the bubble generation process into a bubble Tjunction generator and its comparison with experimental data: Part II
(2016)
Text en actes de congrés
Accés obertThis work is a continuation of the 3D numerical study of the bubble generation process into a T-junction bubble generator (1 mm of internal diameter) obtained with the commercial Computational Fluid Dynamics solver ANSYS ... -
A time averaged steady state method for the Navier-Stokes equations
(2021-07)
Article
Accés obertThis work derives an incompressible Variational Multiscales time-averaged Navier-Stokes formulation that aims at obtaining accurate steady state solutions. Rather than using the standard time instantaneous velocity and ... -
Aerodynamic study of the wake effects on a Formula 1 car
(2020-10-05)
Article
Accés obertThe high complexity of current Formula One aerodynamics has raised the question of whether an urgent modification in the existing aerodynamic package is required. The present study is based on the evaluation and quantification ... -
Analysis of two-phase flows under microgravity (spatial) conditions using OpenFOAM
(Universitat Politècnica de Catalunya, 2020-07-23)
Treball Final de Grau
Accés obertTwo-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 ... -
Comparació entre dades de simulacions numèriques 3D i experimentals en el procès de generació d’un tren gas-líquid en un capil·lar en forma de “T”
(Universitat Politècnica de Catalunya, 2016-10-31)
Treball Final de Grau
Accés obertThis document has been a study of the feasibility of a 3D numerical simulation on a two-phase flow in micro-gravity conditions. Specifically, the mixture of air and water in a T-shaped capillary in the absence of gravity. ... -
Discharge coefficients of a heavy suspension nozzle
(MDPI, 2021-03-15)
Article
Accés obertThe suspensions used in heavy vehicles often consist of several oil and two gas chambers. In order to perform an analytical study of the mass flow transferred between two gas chambers separated by a nozzle, and when ... -
Fluidic oscillators, the effect of some design modifications
(Multidisciplinary Digital Publishing Institute, 2020-03-20)
Article
Accés obertThe number of applications where fluidic oscillators are expected to be used in the future, is raising sharply, then their ability of interacting with the boundary layer to modify forces on bluff bodies, enhancing heat ... -
Helical static mixer simulations for its integration in the pour plate method: mixing agar and a nutrient solution
(2023-08-05)
Article
Accés obertIn microbiology laboratories, it is essential to obtain high-quality samples where the culture media are completely homogeneous. The pour plate method includes having to melt the culture media—a mixture of agar and a ... -
Implementation and Validation of the Ffowcs-Williams and Hawkings equation in OpenFOAM [Dataset]
(Universitat Politècnica de Catalunya, 2021-05-06)
Conjunt de dades
Accés obertThis dataset includes the results of the aeroacoustics field of a tandem cylinder calculated using Curle's and F-WH analogy with OpenFOAM. The sound levels are measured as Power Spectral Density (PSD). The temporal acoustic ... -
Improvement of real-scale raceway bioreactors for microalgae production using Computational Fluid Dynamics (CFD)
(Elsevier, 2021-04)
Article
Accés obertIn this work, the design and hydrodynamic of a 500 m2 raceway bioreactor were optimized using Computational Fluid Dynamics (CFD). First, the influence of the bend type (traditional, isle partition and baffle partition) and ... -
Influence of contact angle boundary condition on CFD simulation of T-Junction
(2018-03-15)
Article
Accés obertIn this work, we study the influence of the contact angle boundary condition on 3D CFD simulations of the bubble generation process occurring in a capillary T-junction. Numerical simulations have been performed with the ... -
Numerical analysis of hydrodynamic conditions in pilot flat-panel photobioreactor: operating and design parameters influence on the microalgae cultivation
(ETA Florence Renewable Energies, 2019)
Text en actes de congrés
Accés restringit per política de l'editorialThe aim of this work was to investigate the influence of hydrodynamic conditions on the process of microalgae cultivation in a pilot flat-panel photobioreactor (150 L of culture medium). Based on the pulse-input indicator ... -
Numerical and Experimental Study of the Squeezing-to-Dripping Transition in a T-Junction
(2020-05-26)
Article
Accés obertIn this work, we study the transition from squeezing to dripping during the formation of bubbles in a capillary T-junction in conditions relevant to microgravity. The junction is formed by two perpendicular cylinders of ... -
Numerical simulation of fluids in microfluidics (microgravity conditions) with OpenFOAM
(Universitat Politècnica de Catalunya, 2023-01-25)
Treball Final de Grau
Accés obertDuring the past decades, interest in droplet-based microfluidics has substantially increased due to its wide range of applications, such as biochemical analyses or material synthesis. Therefore, it is essential to predict ... -
The usability of the Selig S1223 profile airfoil as a high lift hydrofoil for hydrokinetic application
(2016-07)
Article
Accés obertThis work presents a numerical analysis of the ability of the high lift airfoil profile Selig S1223 for working as hydrofoil under water conditions. The geometry of the hydrofoil blade is designed through a suitable airfoil ...