{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/83227"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/83227","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Turbulence in Multiphase Models for Aeration Bubble Plumes","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.).\"","abstract_html":""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.)."","abstract_has_math":false,"creators":["Bombardelli, Fabian Alejandro"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Civil and Environmental Engineering","degree_department":null,"school":null,"contributors":["Garcia, Marcelo H."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T21:03:41Z","date_published":"2015-09-25T21:03:41Z","updated_at":"2026-07-22T22:26:20Z","subjects":["Applied Mechanics"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI3130883"],"render_values":[{"text":"(MiAaPQ)AAI3130883","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/83227","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Garcia, Marcelo H."]},{"key":"dc:creator","label":"Author","values":["Bombardelli, Fabian Alejandro"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T21:03:41Z","10000-01-01","2004"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Civil and Environmental Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Applied Mechanics"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/83227","(MiAaPQ)AAI3130883"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["\"A new theoretical formulation for bubble plumes is presented, which serves for the definition of a sophisticated three-dimensional (3D) numerical model. 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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.).\"","Made available in DSpace on 2015-09-25T21:03:41Z (GMT). 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