{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/83457"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/83457","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Mixing Mechanisms in Density Intrusions","abstract":"In addition to gravity current front dynamics, another mixing behavior has been studied (sedimentary double diffusion, SDD). Laboratory experiments have been performed which explore conditions the only previous study did not. The experimental data obtained herein has been combined with the data from the earlier study. This comprehensive data set has been collapsed with the use of a newly-formulated theory based on gravity current dynamics. The theory formulated is similar to existing theory based upon thermal convection, but allowed for an easier extension to the flows at hand. Further, the complication of salinity has been added to the original problem of a warm, sediment-laden plume. It has been found that simple extensions of standard (i.e., two-component) double-diffusive convection could not adequately describe the behavior observed. Various possibilities were put forth to describe the results, with only a couple capable of describing the behavior (e.g., front-induced instability or Soret effects).","abstract_html":"In addition to gravity current front dynamics, another mixing behavior has been studied (sedimentary double diffusion, SDD). Laboratory experiments have been performed which explore conditions the only previous study did not. The experimental data obtained herein has been combined with the data from the earlier study. This comprehensive data set has been collapsed with the use of a newly-formulated theory based on gravity current dynamics. The theory formulated is similar to existing theory based upon thermal convection, but allowed for an easier extension to the flows at hand. Further, the complication of salinity has been added to the original problem of a warm, sediment-laden plume. It has been found that simple extensions of standard (i.e., two-component) double-diffusive convection could not adequately describe the behavior observed. Various possibilities were put forth to describe the results, with only a couple capable of describing the behavior (e.g., front-induced instability or Soret effects).","abstract_has_math":false,"creators":["Parsons, Jeffrey D."],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Civil Engineering","degree_department":null,"school":null,"contributors":["Garcia, Marcelo H."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T21:05:01Z","date_published":"2015-09-25T21:05:01Z","updated_at":"2026-07-22T22:26:21Z","subjects":["Physical Oceanography"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI9904561"],"render_values":[{"text":"(MiAaPQ)AAI9904561","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/83457","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":["Parsons, Jeffrey D."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T21:05:01Z","10000-01-01","1998"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Civil 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":["Physical Oceanography"]}]},{"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/2142/83457","(MiAaPQ)AAI9904561"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["In addition to gravity current front dynamics, another mixing behavior has been studied (sedimentary double diffusion, SDD). Laboratory experiments have been performed which explore conditions the only previous study did not. The experimental data obtained herein has been combined with the data from the earlier study. This comprehensive data set has been collapsed with the use of a newly-formulated theory based on gravity current dynamics. The theory formulated is similar to existing theory based upon thermal convection, but allowed for an easier extension to the flows at hand. Further, the complication of salinity has been added to the original problem of a warm, sediment-laden plume. It has been found that simple extensions of standard (i.e., two-component) double-diffusive convection could not adequately describe the behavior observed. Various possibilities were put forth to describe the results, with only a couple capable of describing the behavior (e.g., front-induced instability or Soret effects).","Made available in DSpace on 2015-09-25T21:05:01Z (GMT). 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Laboratory experiments have been performed which explore conditions the only previous study did not. The experimental data obtained herein has been combined with the data from the earlier study. This comprehensive data set has been collapsed with the use of a newly-formulated theory based on gravity current dynamics. The theory formulated is similar to existing theory based upon thermal convection, but allowed for an easier extension to the flows at hand. Further, the complication of salinity has been added to the original problem of a warm, sediment-laden plume. It has been found that simple extensions of standard (i.e., two-component) double-diffusive convection could not adequately describe the behavior observed. Various possibilities were put forth to describe the results, with only a couple capable of describing the behavior (e.g., front-induced instability or Soret effects).","Made available in DSpace on 2015-09-25T21:05:01Z (GMT). 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