Files in this item



application/pdf3130883.pdf (10MB)Restricted to U of Illinois
(no description provided)PDF


Title:Turbulence in Multiphase Models for Aeration Bubble Plumes
Author(s):Bombardelli, Fabian Alejandro
Doctoral Committee Chair(s):Garcia, Marcelo H.
Department / Program:Civil and Environmental Engineering
Discipline:Civil and Environmental Engineering
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Applied Mechanics
Abstract:A new theoretical formulation for bubble plumes is presented, which serves for the definition of a sophisticated three-dimensional (3D) numerical model. The theoretical/numerical model includes a treatment of turbulence via a k - epsilon model and a Large-Eddy Simulation (LES) approach. It is based on a double averaging procedure that accounts for: (a) the presence of a two-phase flow, and (b) its turbulent nature. The model also allows for the global simulation of phenomena of break-up and coalescence. This theory is employed in the derivation and justification of existing one-dimensional (1D), "integral" models. The approximations involved are clearly explicited and quantified. In this framework, 1D models appear for the first time as a special case of this broader theory. This fact is finally used in extending existing 1D models, now including turbulence and phenomena of break-up and coalescence. (Abstract shortened by UMI.).
Issue Date:2004
Description:319 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2004.
Other Identifier(s):(MiAaPQ)AAI3130883
Date Available in IDEALS:2015-09-25
Date Deposited:2004

This item appears in the following Collection(s)

Item Statistics