Exploració per tema "Bubbles--Dynamics"
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 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 level-set method for mass transfer in bubble swarms
(2018)
Comunicació de congrés
Accés restringit per política de l'editorial -
A multiple marker level-set method for simulation of deformable fluid particles
(2015-09-01)
Article
Accés obertA novel multiple marker level-set method is introduced for Direct Numerical Simulation of deformable fluid particles (bubbles and droplets), which is integrated in a finite-volume framework on collocated unstructured grids. ... -
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 ... -
Comparison of two methods for generating small bubbles with a T-junction in microgravity conditions
(2011)
Text en actes de congrés
Accés obert -
Direct numerical simulation of rising bubble with path instability
(2018)
Text en actes de congrés
Accés restringit per política de l'editorialPresent research is focused on combining High- Performance Computing (HPC) and Direct Numerical Simulation (DNS) of two-phase flows, to study the dy- namic behavior of rising bubble whit path instabilities with moderate/high ... -
DNS of drag-force and reactive mass transfer in gravity-driven bubbly flows
(2019)
Text en actes de congrés
Accés restringit per política de l'editorial -
DNS of Mass Transfer from Bubbles Rising in a Vertical Channel
(Springer, 2019)
Text en actes de congrés
Accés restringit per política de l'editorialThis work presents Direct Numerical Simulation of mass transfer from buoyancy-driven bubbles rising in a wall-confined vertical channel, through a multiple markers level-set method. The Navier-Stokes equations and mass ... -
Effects of gravity level on bubble detachment, rise, and bouncing with a free surface
(2019-02-05)
Article
Accés obertBubble detachment, rise, and bouncing upon impact with a free surface is studied experimentally in variable gravity conditions. Previous investigations focused on the effects of fluid properties such as ... -
ESA - SYT 2011 - Final Report
(2011-12)
Report de recerca
Accés restringit per acord de confidencialitatESA - SYT 2011 - Final Report -
Gravity-driven motion of a swarm of bubbles in a vertical pipe
(2015)
Text en actes de congrés
Accés restringit per política de l'editorialIn this work, Direct Numerical Simulations of gravity-driven motion of a swarm of bubbles in a vertical pipe are presented. These simulations were carried out in the contex of a multiple marker level-set methodology, which ... -
Level-set simulations of buoyancy-driven motion of single and multiple bubbles
(2015-12-01)
Article
Accés obertThis paper presents a numerical study of buoyancy-driven motion of single and multiple bubbles by means of the conservative level-set method. First, an extensive study of the hydrodynamics of single bubbles rising in a ... -
Numerical simulation of bubble generation in a T-junction
(2011)
Text en actes de congrés
Accés obert -
Numerical study of rising bubbles with path instability using conservative level-set and adaptive mesh refinement
(Elsevier, 2019-06-15)
Article
Accés obertThis paper focuses on three-dimensional direct numerical simulations of rising bubbles in the wobbling regime, and the study of its dynamical behavior for Eötvös number 1 ≤ Eo ≤ 10 and Morton number 1e−11 ≤ M ≤ 1e−9. ... -
Numerical study with OpenFOAM of the bubble generation process in an inverse T-junction in microgravity conditions
(Universitat Politècnica de Catalunya, 2019-07-16)
Treball Final de Grau
Accés obertMicrogravity is the condition perceived in an object or body when gravity effect is negligible. This can mostly happen when the object is in a constant free fall state, which gives the false perception of Zero Gravity. It ...