{"id":{"repo_id":"wvu","oai_identifier":"oai:researchrepository.wvu.edu:etd-2321"},"canonical_url":"https://search.dev.ndltd.org/etd/wvu/oai:researchrepository.wvu.edu:etd-2321","repository":{"repo_id":"wvu","name":"West Virginia University","base_url":"https://researchrepository.wvu.edu/do/oai/"},"display":{"title":"Inhalation exposure system for diesel exhaust particulates","abstract":"The objectives of this research were twofold. First, a Hazelton 2000 Inhalation Chamber was modified to minimize the amount of diesel exhaust particulate (DEP) needed for animal inhalation exposures. Second, instrumentation was evaluated for aerosolizing DEP, monitoring the mass concentration and size distribution, and determining the uniformity of the aerosol.;The Jet-O-Mizer jet mill produced a single mode DEP mass median diameter (MMD) of 0.33 mum while maintaining a relatively steady mass concentration of 10 mg/m3. The uniformity of a carbon black aerosol was found to vary from 9.9 mg/m3 in the front part of the chamber, to 10.4 mg/m3 in the center, and 11.7 mg/m 3 in the rear. The Tapered Element Oscillating Microbalance (TEOM) was found to satisfactorily monitor the mass concentration but the filter lifetime at high mass concentrations would necessitate periodic observations.","abstract_html":"The objectives of this research were twofold. First, a Hazelton 2000 Inhalation Chamber was modified to minimize the amount of diesel exhaust particulate (DEP) needed for animal inhalation exposures. Second, instrumentation was evaluated for aerosolizing DEP, monitoring the mass concentration and size distribution, and determining the uniformity of the aerosol.;The Jet-O-Mizer jet mill produced a single mode DEP mass median diameter (MMD) of 0.33 mum while maintaining a relatively steady mass concentration of 10 mg/m3. The uniformity of a carbon black aerosol was found to vary from 9.9 mg/m3 in the front part of the chamber, to 10.4 mg/m3 in the center, and 11.7 mg/m 3 in the rear. The Tapered Element Oscillating Microbalance (TEOM) was found to satisfactorily monitor the mass concentration but the filter lifetime at high mass concentrations would necessitate periodic observations.","abstract_has_math":false,"creators":["Sherman, Jay Michael"],"institution":null,"degree_name":"MS","degree_level":"Thesis","degree_discipline":"Mechanical and Aerospace Engineering","degree_department":null,"school":null,"contributors":["Charles F. Stanley."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2003,"date_issued":"2003-05-01T07:00:00Z","date_published":"2003-05-01T07:00:00Z","updated_at":"2026-07-24T06:15:31Z","subjects":["Biomedical engineering","Mechanical engineering"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://researchrepository.wvu.edu/etd/1318"],"render_values":[{"text":"https://researchrepository.wvu.edu/etd/1318","href":"https://researchrepository.wvu.edu/etd/1318","code":true}]}]},"links":{"outbound_url":"https://doi.org/10.33915/etd.1318","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Charles F. 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First, a Hazelton 2000 Inhalation Chamber was modified to minimize the amount of diesel exhaust particulate (DEP) needed for animal inhalation exposures. Second, instrumentation was evaluated for aerosolizing DEP, monitoring the mass concentration and size distribution, and determining the uniformity of the aerosol.;The Jet-O-Mizer jet mill produced a single mode DEP mass median diameter (MMD) of 0.33 mum while maintaining a relatively steady mass concentration of 10 mg/m3. The uniformity of a carbon black aerosol was found to vary from 9.9 mg/m3 in the front part of the chamber, to 10.4 mg/m3 in the center, and 11.7 mg/m 3 in the rear. The Tapered Element Oscillating Microbalance (TEOM) was found to satisfactorily monitor the mass concentration but the filter lifetime at high mass concentrations would necessitate periodic observations."]},{"key":"dc:title","label":"Title","values":["Inhalation exposure system for diesel exhaust particulates"]}]}],"canonical_facts":{"dc:contributor":["Charles F. Stanley."],"dc:creator":["Sherman, Jay Michael"],"dc:date.available":["2019-01-17T08:00:00Z"],"dc:description.abstract":["The objectives of this research were twofold. First, a Hazelton 2000 Inhalation Chamber was modified to minimize the amount of diesel exhaust particulate (DEP) needed for animal inhalation exposures. Second, instrumentation was evaluated for aerosolizing DEP, monitoring the mass concentration and size distribution, and determining the uniformity of the aerosol.;The Jet-O-Mizer jet mill produced a single mode DEP mass median diameter (MMD) of 0.33 mum while maintaining a relatively steady mass concentration of 10 mg/m3. The uniformity of a carbon black aerosol was found to vary from 9.9 mg/m3 in the front part of the chamber, to 10.4 mg/m3 in the center, and 11.7 mg/m 3 in the rear. The Tapered Element Oscillating Microbalance (TEOM) was found to satisfactorily monitor the mass concentration but the filter lifetime at high mass concentrations would necessitate periodic observations."],"dc:identifier":["https://doi.org/10.33915/etd.1318","https://researchrepository.wvu.edu/etd/1318"],"dc:subject":["Biomedical engineering","Mechanical engineering"],"dc:title":["Inhalation exposure system for diesel exhaust particulates"],"thesis:degree_discipline":["Mechanical and Aerospace Engineering"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["MS"]},"updated_at":"2026-07-24T06:15:31Z"}