{"id":{"repo_id":"unlv","oai_identifier":"oai:oasis.library.unlv.edu:rtds-1317"},"canonical_url":"https://search.dev.ndltd.org/etd/unlv/oai:oasis.library.unlv.edu:rtds-1317","repository":{"repo_id":"unlv","name":"University of Nevada - Las Vegas","base_url":"https://oasis.library.unlv.edu/do/oai/"},"display":{"title":"Prediction of performance criteria for passive heating ventilation and air conditioning silencers","abstract":"Unwanted noise is generated by the operation of heating, ventilation, and air conditioning (HVAC) systems in large buildings. The unwanted noise can be reduced by installing a passive silencer in the HVAC system. The ability to predict the performance criteria (insertion loss, regenerated sound power, and pressure drop) associated with a passive silencer is of great importance to the HVAC engineer. The purpose of this thesis is to predict the performance criteria listed above. Empirically derived regression equations are provided which calculate the performance criteria associated with 2ft x 2ft cross sectional area rectangular passive silencers for various internal geometries using either fiberglass or mineral wool linings. The performance criteria predicted by the regression equations is compared with the measured data; also, results are provided which display the effect the internal geometries and lining materials have on passive silencers performance criteria.","abstract_html":"Unwanted noise is generated by the operation of heating, ventilation, and air conditioning (HVAC) systems in large buildings. The unwanted noise can be reduced by installing a passive silencer in the HVAC system. The ability to predict the performance criteria (insertion loss, regenerated sound power, and pressure drop) associated with a passive silencer is of great importance to the HVAC engineer. The purpose of this thesis is to predict the performance criteria listed above. Empirically derived regression equations are provided which calculate the performance criteria associated with 2ft x 2ft cross sectional area rectangular passive silencers for various internal geometries using either fiberglass or mineral wool linings. The performance criteria predicted by the regression equations is compared with the measured data; also, results are provided which display the effect the internal geometries and lining materials have on passive silencers performance criteria.","abstract_has_math":false,"creators":["Bodie, Mark Olen"],"institution":"University of Nevada, Las Vegas","degree_name":"Master of Science (MS)","degree_level":"Thesis","degree_discipline":"Mechanical Engineering","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1993,"date_issued":"1993-01-01T08:00:00Z","date_published":"1993-01-01T08:00:00Z","updated_at":"2026-07-24T05:24:22Z","subjects":[],"languages":["English"],"rights":["IN COPYRIGHT. For more information about this rights statement, please visit http://rightsstatements.org/vocab/InC/1.0/"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://oasis.library.unlv.edu/rtds/318"],"render_values":[{"text":"https://oasis.library.unlv.edu/rtds/318","href":"https://oasis.library.unlv.edu/rtds/318","code":true}]}]},"links":{"outbound_url":"https://doi.org/10.25669/0lxw-wbk2","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Bodie, Mark Olen"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:publisher","label":"Institution","values":["University of Nevada, Las Vegas"]},{"key":"dc:type","label":"Dc Type","values":["Text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Mechanical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science (MS)"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English"]},{"key":"dc:rights","label":"Dc Rights","values":["IN COPYRIGHT. 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Empirically derived regression equations are provided which calculate the performance criteria associated with 2ft x 2ft cross sectional area rectangular passive silencers for various internal geometries using either fiberglass or mineral wool linings. The performance criteria predicted by the regression equations is compared with the measured data; also, results are provided which display the effect the internal geometries and lining materials have on passive silencers performance criteria."]},{"key":"dc:format","label":"Dc Format","values":["pdf"]},{"key":"dc:title","label":"Title","values":["Prediction of performance criteria for passive heating ventilation and air conditioning silencers"]}]}],"canonical_facts":{"dc:creator":["Bodie, Mark Olen"],"dc:description.abstract":["Unwanted noise is generated by the operation of heating, ventilation, and air conditioning (HVAC) systems in large buildings. The unwanted noise can be reduced by installing a passive silencer in the HVAC system. The ability to predict the performance criteria (insertion loss, regenerated sound power, and pressure drop) associated with a passive silencer is of great importance to the HVAC engineer. The purpose of this thesis is to predict the performance criteria listed above. Empirically derived regression equations are provided which calculate the performance criteria associated with 2ft x 2ft cross sectional area rectangular passive silencers for various internal geometries using either fiberglass or mineral wool linings. The performance criteria predicted by the regression equations is compared with the measured data; also, results are provided which display the effect the internal geometries and lining materials have on passive silencers performance criteria."],"dc:format":["pdf"],"dc:identifier":["10.25669/0lxw-wbk2","https://oasis.library.unlv.edu/rtds/318","https://oasis.library.unlv.edu/context/rtds/article/1317/viewcontent/uc.pdf"],"dc:language":["English"],"dc:publisher":["University of Nevada, Las Vegas"],"dc:rights":["IN COPYRIGHT. For more information about this rights statement, please visit http://rightsstatements.org/vocab/InC/1.0/"],"dc:title":["Prediction of performance criteria for passive heating ventilation and air conditioning silencers"],"dc:type":["Text"],"thesis:degree_discipline":["Mechanical Engineering"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["Master of Science (MS)"]},"updated_at":"2026-07-24T05:24:22Z"}