{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/44076"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/44076","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"Investigation of a simulation model for peanut drying incorporating air recirculation","abstract":"Virginia type peanuts were dried in three laboratory dryers to verify a simulation model based on Troeger and Butler's drying equations. The energy saving potential of air recirculation was also investigated. Four tests consisting of eleven drying experiments were conducted in Fall, 1986. Two air recirculation schedules were employed and three average air flow rates were used. An experimental procedure was developed to measure input and output parameters of the drying system. The weight loss of the top layer of the peanut bed was recorded with a data acquisition system. The electrical energy input to the heaters was also recorded. Based on the analysis of the data, the following conclusions were made: (1) The Troeger model predicted a lower moisture release rate than the actual rate for Virginia type peanuts. (2) If the break points in the Troeger model were changed to 0.20 and 0.70 from 0.12 and 0.40, respectively, the model predicted the final moisture content more accurately. (3) Energy savings as high as 50 percent were achieved using the recirculation schedules.","abstract_html":"Virginia type peanuts were dried in three laboratory dryers to verify a simulation model based on Troeger and Butler's drying equations. The energy saving potential of air recirculation was also investigated. Four tests consisting of eleven drying experiments were conducted in Fall, 1986. Two air recirculation schedules were employed and three average air flow rates were used. An experimental procedure was developed to measure input and output parameters of the drying system. The weight loss of the top layer of the peanut bed was recorded with a data acquisition system. The electrical energy input to the heaters was also recorded. Based on the analysis of the data, the following conclusions were made: (1) The Troeger model predicted a lower moisture release rate than the actual rate for Virginia type peanuts. (2) If the break points in the Troeger model were changed to 0.20 and 0.70 from 0.12 and 0.40, respectively, the model predicted the final moisture content more accurately. (3) Energy savings as high as 50 percent were achieved using the recirculation schedules.","abstract_has_math":false,"creators":["Kulasiri, Don"],"institution":"Virginia Tech","degree_name":"Master of Science","degree_level":"masters","degree_discipline":"Agricultural Engineering","degree_department":"Agricultural Engineering","school":null,"contributors":[],"advisors":[],"committee_chairs":["Vaughan, David H.","Cundiff, John S."],"committee_members":["Steele, James L."],"year":1988,"date_issued":"1988-02-25","date_published":"1988-02-25","updated_at":"2026-07-22T22:19:26Z","subjects":[],"languages":["en"],"rights":["In Copyright"],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-08012012-040314"],"render_values":[{"text":"etd-08012012-040314","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10919/44076","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.committeechair","label":"Committee Chair","values":["Vaughan, David H.","Cundiff, John S."]},{"key":"dc:contributor.committeemember","label":"Committee Member","values":["Steele, James L."]},{"key":"dc:contributor.department","label":"Department","values":["Agricultural Engineering"]},{"key":"dc:creator","label":"Author","values":["Kulasiri, Don"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-03-14T21:41:57Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-03-14T21:41:57Z","2012-08-01"]},{"key":"dc:date.issued","label":"Date","values":["1988-02-25"]},{"key":"dc:publisher","label":"Institution","values":["Virginia Tech"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"dc:type.dcmitype","label":"Dc Type Dcmitype","values":["Text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Agricultural Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Virginia Polytechnic Institute and State University"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["In Copyright"]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://rightsstatements.org/vocab/InC/1.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-08012012-040314"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10919/44076"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Virginia type peanuts were dried in three laboratory dryers to verify a simulation model based on Troeger and Butler's drying equations. 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(3) Energy savings as high as 50 percent were achieved using the recirculation schedules."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Master of Science"]},{"key":"dc:format.medium","label":"Dc Format Medium","values":["BTD"]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Investigation of a simulation model for peanut drying incorporating air recirculation"]}]}],"canonical_facts":{"dc:contributor.committeechair":["Vaughan, David H.","Cundiff, John S."],"dc:contributor.committeemember":["Steele, James L."],"dc:contributor.department":["Agricultural Engineering"],"dc:creator":["Kulasiri, Don"],"dc:date.accessioned":["2014-03-14T21:41:57Z"],"dc:date.available":["2014-03-14T21:41:57Z","2012-08-01"],"dc:date.issued":["1988-02-25"],"dc:description.abstract":["Virginia type peanuts were dried in three laboratory dryers to verify a simulation model based on Troeger and Butler's drying equations. 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