{"id":{"repo_id":"uwo","oai_identifier":"oai:uwo.scholaris.ca:20.500.14721/33246"},"canonical_url":"https://search.dev.ndltd.org/etd/uwo/oai:uwo.scholaris.ca:20.500.14721/33246","repository":{"repo_id":"uwo","name":"Western University","base_url":"https://uwo.scholaris.ca/server/oai/request"},"display":{"title":"Numerical Investigations of Bubble Column Equipped with Vertical Internals in Different Arrangements","abstract":"Bubble columns are multiphase contactors with wide applications in industrial processes. Often they are equipped with longitudinal tube bundles to facilitate heat exchange. Studying effects of these internals on column hydrodynamics is vital for the design of these internals. Computational Fluid Dynamic (CFD) simulations provide an understanding of the complex two-phase flow enabling the study of the effects of the internals on the column hydrodynamics. In the present work, an Eulerian-Eulerian based two-fluid model (TFM) coupled with a population balance model (PBM) is used to simulate the gas-liquid two-phase flows in bubble columns. The models studied were validated using experimental data from the literature. The selected model was used to simulate the effects of the tube-to-tube distance and height of the internals on the hydrodynamics in the column. It was found that the tube-to-tube distance has a significant impact on the liquid axial velocity distribution and flow recirculation. Decreasing the tube-to-tube space reduces the axial liquid flow and the height of internals affects the liquid recirculation only in homogeneous flow regime.","abstract_html":"Bubble columns are multiphase contactors with wide applications in industrial processes. Often they are equipped with longitudinal tube bundles to facilitate heat exchange. Studying effects of these internals on column hydrodynamics is vital for the design of these internals. Computational Fluid Dynamic (CFD) simulations provide an understanding of the complex two-phase flow enabling the study of the effects of the internals on the column hydrodynamics. In the present work, an Eulerian-Eulerian based two-fluid model (TFM) coupled with a population balance model (PBM) is used to simulate the gas-liquid two-phase flows in bubble columns. The models studied were validated using experimental data from the literature. The selected model was used to simulate the effects of the tube-to-tube distance and height of the internals on the hydrodynamics in the column. It was found that the tube-to-tube distance has a significant impact on the liquid axial velocity distribution and flow recirculation. Decreasing the tube-to-tube space reduces the axial liquid flow and the height of internals affects the liquid recirculation only in homogeneous flow regime.","abstract_has_math":false,"creators":["Gaurav, Tuntun"],"institution":"The University of Western Ontario","degree_name":"M Eng Sci","degree_level":null,"degree_discipline":"Chemical and Biochemical Engineering","degree_department":null,"school":null,"contributors":[],"advisors":["Prakash, Anand","Zhang, Chao"],"committee_chairs":[],"committee_members":[],"year":2018,"date_issued":"2018-08-02","date_published":"2018-08-02","updated_at":"2026-07-27T21:56:16Z","subjects":["Bubble Column","Vertical Internals","CFD","Population Balance","Internal Arrangements"],"languages":["en_ca"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/20.500.14721/33246","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Prakash, Anand","Zhang, Chao"]},{"key":"dc:creator","label":"Author","values":["Gaurav, Tuntun"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2025-07-10T19:51:29Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2025-07-10T19:51:29Z"]},{"key":"dc:date.issued","label":"Date","values":["2018-08-02"]},{"key":"dc:publisher","label":"Institution","values":["The University of Western Ontario"]},{"key":"dc:type","label":"Dc Type","values":["thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Chemical and Biochemical Engineering"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M Eng Sci"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Bubble Column","Vertical Internals","CFD","Population Balance","Internal Arrangements"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en_ca"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://hdl.handle.net/20.500.14721/33246"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Collaborative Specialization: Scientific Computing","The thesis cover page in the PDF document includes references to Western University’s previous institutional repository platform, known as Scholarship@Western, and links to that platform (beginning with ir.lib.uwo.ca). In citing or referring to this thesis, use the DOI or handle from this page instead. Sample citation: Author name, \"Thesis title.\" (Year). Western University Open Repository. https://doi.org/10.71858/123456."]},{"key":"dc:description.abstract","label":"Abstract","values":["Bubble columns are multiphase contactors with wide applications in industrial processes. Often they are equipped with longitudinal tube bundles to facilitate heat exchange. Studying effects of these internals on column hydrodynamics is vital for the design of these internals. Computational Fluid Dynamic (CFD) simulations provide an understanding of the complex two-phase flow enabling the study of the effects of the internals on the column hydrodynamics. In the present work, an Eulerian-Eulerian based two-fluid model (TFM) coupled with a population balance model (PBM) is used to simulate the gas-liquid two-phase flows in bubble columns. The models studied were validated using experimental data from the literature. The selected model was used to simulate the effects of the tube-to-tube distance and height of the internals on the hydrodynamics in the column. It was found that the tube-to-tube distance has a significant impact on the liquid axial velocity distribution and flow recirculation. Decreasing the tube-to-tube space reduces the axial liquid flow and the height of internals affects the liquid recirculation only in homogeneous flow regime."]},{"key":"dc:title","label":"Title","values":["Numerical Investigations of Bubble Column Equipped with Vertical Internals in Different Arrangements"]}]}],"canonical_facts":{"dc:contributor.advisor":["Prakash, Anand","Zhang, Chao"],"dc:creator":["Gaurav, Tuntun"],"dc:date.accessioned":["2025-07-10T19:51:29Z"],"dc:date.available":["2025-07-10T19:51:29Z"],"dc:date.issued":["2018-08-02"],"dc:description":["Collaborative Specialization: Scientific Computing","The thesis cover page in the PDF document includes references to Western University’s previous institutional repository platform, known as Scholarship@Western, and links to that platform (beginning with ir.lib.uwo.ca). In citing or referring to this thesis, use the DOI or handle from this page instead. Sample citation: Author name, \"Thesis title.\" (Year). Western University Open Repository. https://doi.org/10.71858/123456."],"dc:description.abstract":["Bubble columns are multiphase contactors with wide applications in industrial processes. Often they are equipped with longitudinal tube bundles to facilitate heat exchange. Studying effects of these internals on column hydrodynamics is vital for the design of these internals. Computational Fluid Dynamic (CFD) simulations provide an understanding of the complex two-phase flow enabling the study of the effects of the internals on the column hydrodynamics. In the present work, an Eulerian-Eulerian based two-fluid model (TFM) coupled with a population balance model (PBM) is used to simulate the gas-liquid two-phase flows in bubble columns. The models studied were validated using experimental data from the literature. The selected model was used to simulate the effects of the tube-to-tube distance and height of the internals on the hydrodynamics in the column. It was found that the tube-to-tube distance has a significant impact on the liquid axial velocity distribution and flow recirculation. Decreasing the tube-to-tube space reduces the axial liquid flow and the height of internals affects the liquid recirculation only in homogeneous flow regime."],"dc:identifier.uri":["https://hdl.handle.net/20.500.14721/33246"],"dc:language.iso":["en_ca"],"dc:publisher":["The University of Western Ontario"],"dc:subject":["Bubble Column","Vertical Internals","CFD","Population Balance","Internal Arrangements"],"dc:title":["Numerical Investigations of Bubble Column Equipped with Vertical Internals in Different Arrangements"],"dc:type":["thesis"],"thesis:degree_discipline":["Chemical and Biochemical Engineering"],"thesis:degree_name":["M Eng Sci"]},"updated_at":"2026-07-27T21:56:16Z"}