Exploració per tema "Bombolles"
Ara es mostren els items 1-20 de 75
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3D CFD analysis of generation of bubbles in a double T-junction mini-channel
(Universitat Politècnica de Catalunya, 2018-07-18)
Treball Final de Grau
Accés obert
Realitzat a/amb: Guo li Taiwan ke ji da xueThe subject of two or multi-phase flows has become increasingly powerful and important in a wide variety of engineering systems. The aim of our project is to study the bubble generation of the water-air combination in a ... -
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 3D numerical study of the bubble generation process into a bubble T-junction 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 study of a monodisperse microbubble jet under microgravity conditions
(2007)
Text en actes de congrés
Accés obert -
Acoustic effects on heat transfer on the ground and in microgravity conditions
(2021-10)
Article
Accés obertA critical issue in future long-term space exploration missions is the storage and management of cryogenic propellants. Storage tanks are exposed to extreme temperatures and radiation, which can generate hot spots on the ... -
Analysis and numerical simulation of the dynamics of bubbles
(Universitat Politècnica de Catalunya, 2010-12-22)
Treball Final de Grau
Accés restringit per decisió de l'autorEste trabajo tiene como objetivo el estudio y simulación de la diámica de burbujas. Inicialmente se introducen los modelos matemáticos de burbujas esféricas, para dar paso a la formulacón tridimensional basada en el método ... -
Analysis of bubble management at different gravity levels by means of an acoustic field
(2021-09)
Article
Accés obertMultiphase flows management is a major challenge in many space applications given the different gravity levels involved. While many of the numerical investigations of liquid-gas phenomena deal with the radial bubble behavior ... -
Analysis of the characteristic lengths in the bubble and slug flow regimes generated in a capillary T-junction
(2016-09-20)
Article
Accés obertWe present an analysis of the geometry of the continuous and disperse phases in the bubble and slug flow regimes in air–water mixtures generated in a capillary T-junction of 1 mm internal diameter. Bubble size dispersion ... -
Analysis of the gravity dependence of the performance of a bubble generator
(Universitat Politècnica de Catalunya, 2010-12-23)
Treball Final de Grau
Accés restringit per decisió de l'autor -
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 ... -
Bouncing of bubbles impacting at a free surface
(2009)
Text en actes de congrés
Accés obert -
Bubble and droplet injection for microgravity applications
(Universitat Politècnica de Catalunya / Universitat Politècnica de Catalunya, 2009-03-31)
Projecte/Treball Final de Carrera
Accés obert -
Bubble and slug flows characteristic lengths in a microchannel
(2012)
Text en actes de congrés
Accés obert -
Bubble rise controlled by an acoustic field
(Universitat Politècnica de Catalunya, 2012-07-19)
Treball Final de Grau
Accés restringit per decisió de l'autorBubbles rising in liquids show different types of paths depending on the parameters of the system. This work consists of the study of the bubble paths obtained when the system is under the effects of an acoustic wave. -
Bubbles in different liquids in microgravity and oscillating hipergravity environments
(2009)
Comunicació de congrés
Accés obert -
Bubbly jet impingement in different liquids
(2010-07-06)
Article
Accés restringit per política de l'editorialThe impingement of bubbly jets in distilled water and ethanol has been experimentally studied on ground. An experimental apparatus for the study of jet impingement on ground and inmicrogravity has been designed. The ... -
CFD study of the bubble generation process in a T-junction with inversed flows
(Universitat Politècnica de Catalunya, 2018-07-04)
Treball Final de Grau
Accés obert
Realitzat a/amb: Guo li Taiwan ke ji da xue / Guo li Taiwan ke ji da xueTwo-phase flow applications are of great interest in the space sector thanks to its advantages, in the recent years, the research on this subject has increased considerably. Some examples can be found in space bioreactors, ... -
Characterization of a microbubble injector for applications in microgravity
(Université Libre de Bruxelles, 2007-04)
Text en actes de congrés
Accés obert -
Characterization of bubbly and slug flow regimes generated in a minichannel in microgravity conditions
(2009-09)
Text en actes de congrés
Accés obert -
Characterization of the performance of a minibubble generator in conditions relevant to microgravity
(2010-08-05)
Article
Accés obertWe perform a characterization of a recently reported minibubbles (bubbles with a diameter of the order of 10‐3 m) generator in microgravity related conditions. Generation of bubbles is based on the generation of a slug ...