{"id":{"repo_id":"wvu","oai_identifier":"oai:researchrepository.wvu.edu:etd-1470"},"canonical_url":"https://search.dev.ndltd.org/etd/wvu/oai:researchrepository.wvu.edu:etd-1470","repository":{"repo_id":"wvu","name":"West Virginia University","base_url":"https://researchrepository.wvu.edu/do/oai/"},"display":{"title":"A Novel Approach To Residence Time Distribution","abstract":"An increased knowledge in the solids flow in multiphase flow systems can be applied in the design of industrial systems used for power generation, gasification, pneumatic transport of material, drying, and various other tasks. An instrument was constructed for the activation, injection, and measurement of phosphorescent tracer particles in a fluidized bed riser to determine the Residence Time Distribution (RTD) of solids flow within a fluidized bed riser. The instrument was implemented in a dual-stage transparent scale model fluidized bed riser. Testing of the instrument system validated the functionality of the instrument. It was proven to be capable of determining both localized and total Residence Time Distribution in a fluidized bed riser operated in the pneumatic transport flow regime with relatively short RTD. The determination of localized RTD was also achieved in the fluidized bed riser operated in the core-annular flow regime.","abstract_html":"An increased knowledge in the solids flow in multiphase flow systems can be applied in the design of industrial systems used for power generation, gasification, pneumatic transport of material, drying, and various other tasks. An instrument was constructed for the activation, injection, and measurement of phosphorescent tracer particles in a fluidized bed riser to determine the Residence Time Distribution (RTD) of solids flow within a fluidized bed riser. The instrument was implemented in a dual-stage transparent scale model fluidized bed riser. Testing of the instrument system validated the functionality of the instrument. It was proven to be capable of determining both localized and total Residence Time Distribution in a fluidized bed riser operated in the pneumatic transport flow regime with relatively short RTD. The determination of localized RTD was also achieved in the fluidized bed riser operated in the core-annular flow regime.","abstract_has_math":false,"creators":["Wolfe, Jackson W."],"institution":null,"degree_name":"MS","degree_level":"Thesis","degree_discipline":"Mechanical and Aerospace Engineering","degree_department":null,"school":null,"contributors":["Eric K. Johnson","Bruce S. Kang","Lawrence Shadle"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2012,"date_issued":"2012-12-01T08:00:00Z","date_published":"2012-12-01T08:00:00Z","updated_at":"2026-07-24T06:14:31Z","subjects":["Mechanical engineering"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://researchrepository.wvu.edu/etd/467"],"render_values":[{"text":"https://researchrepository.wvu.edu/etd/467","href":"https://researchrepository.wvu.edu/etd/467","code":true}]}]},"links":{"outbound_url":"https://doi.org/10.33915/etd.467","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Eric K. Johnson","Bruce S. 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An instrument was constructed for the activation, injection, and measurement of phosphorescent tracer particles in a fluidized bed riser to determine the Residence Time Distribution (RTD) of solids flow within a fluidized bed riser. The instrument was implemented in a dual-stage transparent scale model fluidized bed riser. Testing of the instrument system validated the functionality of the instrument. It was proven to be capable of determining both localized and total Residence Time Distribution in a fluidized bed riser operated in the pneumatic transport flow regime with relatively short RTD. The determination of localized RTD was also achieved in the fluidized bed riser operated in the core-annular flow regime."]},{"key":"dc:title","label":"Title","values":["A Novel Approach To Residence Time Distribution"]}]}],"canonical_facts":{"dc:contributor":["Eric K. Johnson","Bruce S. 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The determination of localized RTD was also achieved in the fluidized bed riser operated in the core-annular flow regime."],"dc:identifier":["https://doi.org/10.33915/etd.467","https://researchrepository.wvu.edu/etd/467"],"dc:subject":["Mechanical engineering"],"dc:title":["A Novel Approach To Residence Time Distribution"],"thesis:degree_discipline":["Mechanical and Aerospace Engineering"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["MS"]},"updated_at":"2026-07-24T06:14:31Z"}