Transient Analysis of Rising Bubble Using Image Analysis

Gholamreza Keshavarzi; Ryan S. Pawell; Tracie J. Barber

doi:10.4028/www.scientific.net/AMM.553.162

Paper Titles

A Fully Coupled Scheme for Viscous Flows in Regular and Irregular Domains Using Compact Integrated RBF Approximation
p.138

Comparison and Development of Equation of State Laws in Smoothed Particle Hydrodynamics
p.144

Three-Dimensional Direct Numerical Simulation of Unsteady Transitional Round Fountains in a Homogeneous Fluid
p.150

Investigation of the 3D Flow in Hemodialysis Venous Air Traps
p.156

Transient Analysis of Rising Bubble Using Image Analysis
p.162

Numerical Simulation of Tank Discharge Using Smoothed Particle Hydrodynamics
p.168

CFD Flow Model and its Effects on the Calculations of High Pressure Sprays
p.174

Development of an Effective FVLBM Code for the Study of Turbulent and Multiphase Flows
p.180

A Numerical Solution Based on the Fokker-Planck Equation for Dilute Polymer Solutions Using High Order RBF Methods
p.187

HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 553Transient Analysis of Rising Bubble Using Image...

Transient Analysis of Rising Bubble Using Image Analysis

Abstract:

Image analysis can play an important role in the validation and analysis of computational studies. Computational Fluid Dynamics (CFD) compared to experiments, has the advantage of detailed information analysis across the domain of interest. However, with detailed image analysis not only better detailed information can be extracted from experimental results, but also numerical methods and CFD can benefit from better detailed post processing information. In this paper, we show how image analysis may be applied to CFD data to better understand the results. More specifically, we simulate the transient behaviour of a 9 mm bubble rising in a 20 mm wide flow cell and extract the precise kinematics and characteristics of the bubble using image analysis. In order to better understand the kinematics of the bubble, we extract and plot the transient position and shape characteristics of the bubble. These parameters provide detailed comparison and analysis of the ability and differences of the interface capturing methods. This leads to better understanding of the applicability and accuracy of these models for various applications.