{"id":{"repo_id":"drake","oai_identifier":"oai:escholarshare.drake.edu:2092/751"},"canonical_url":"https://search.dev.ndltd.org/etd/drake/oai:escholarshare.drake.edu:2092/751","repository":{"repo_id":"drake","name":"Drake University","base_url":"https://escholarshare.drake.edu/server/oai/request"},"display":{"title":"The Optimal Control of Liquid Type Solar Energy Systems","abstract":"A computer model of a liquid type solar energy system is presented. Using this model, the effect of the flow rate of liquid through a solar energy system on the system efficiency is invest±gated in the light of finding an optimal flow rate. The dependence of this optimal flow rate on the environment is then found. The optimal control of the flow rate is compared to the differential thermostat and proportional control methods of controlling the flow rate. It was found that the optimal method produced solar energy system efficiencies that averaged 8.5% higher than those produced by the differential thermostat and 4.8% higher than the efficiencies produced by the proportional control.","abstract_html":"A computer model of a liquid type solar energy system is presented. Using this model, the effect of the flow rate of liquid through a solar energy system on the system efficiency is invest±gated in the light of finding an optimal flow rate. The dependence of this optimal flow rate on the environment is then found. The optimal control of the flow rate is compared to the differential thermostat and proportional control methods of controlling the flow rate. It was found that the optimal method produced solar energy system efficiencies that averaged 8.5% higher than those produced by the differential thermostat and 4.8% higher than the efficiencies produced by the proportional control.","abstract_has_math":false,"creators":["Hazeu, Tom"],"institution":"Drake University","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1980,"date_issued":"1980-10","date_published":"1980-10","updated_at":"2026-07-27T19:18:32Z","subjects":["Physics","Energy conservation","Solar energy"],"languages":["en_US"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["1980 .H337"],"render_values":[{"text":"1980 .H337","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2092/751","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Hazeu, Tom"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2008-05-07T18:45:51Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2008-05-07T18:45:51Z"]},{"key":"dc:date.issued","label":"Date","values":["1980-10"]},{"key":"dc:publisher","label":"Institution","values":["Drake University"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Physics","Energy conservation","Solar energy"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en_US"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["1980 .H337"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/2092/751"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["122 leaves. Advisor: Harry L. Downing, Jr."]},{"key":"dc:description.abstract","label":"Abstract","values":["A computer model of a liquid type solar energy system is presented. Using this model, the effect of the flow rate of liquid through a solar energy system on the system efficiency is invest±gated in the light of finding an optimal flow rate. The dependence of this optimal flow rate on the environment is then found. The optimal control of the flow rate is compared to the differential thermostat and proportional control methods of controlling the flow rate. It was found that the optimal method produced solar energy system efficiencies that averaged 8.5% higher than those produced by the differential thermostat and 4.8% higher than the efficiencies produced by the proportional control."]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["The Optimal Control of Liquid Type Solar Energy Systems"]}]}],"canonical_facts":{"dc:creator":["Hazeu, Tom"],"dc:date.accessioned":["2008-05-07T18:45:51Z"],"dc:date.available":["2008-05-07T18:45:51Z"],"dc:date.issued":["1980-10"],"dc:description":["122 leaves. Advisor: Harry L. Downing, Jr."],"dc:description.abstract":["A computer model of a liquid type solar energy system is presented. Using this model, the effect of the flow rate of liquid through a solar energy system on the system efficiency is invest±gated in the light of finding an optimal flow rate. The dependence of this optimal flow rate on the environment is then found. The optimal control of the flow rate is compared to the differential thermostat and proportional control methods of controlling the flow rate. It was found that the optimal method produced solar energy system efficiencies that averaged 8.5% higher than those produced by the differential thermostat and 4.8% higher than the efficiencies produced by the proportional control."],"dc:format.mimetype":["application/pdf"],"dc:identifier.other":["1980 .H337"],"dc:identifier.uri":["http://hdl.handle.net/2092/751"],"dc:language.iso":["en_US"],"dc:publisher":["Drake University"],"dc:subject":["Physics","Energy conservation","Solar energy"],"dc:title":["The Optimal Control of Liquid Type Solar Energy Systems"],"dc:type":["Thesis"]},"updated_at":"2026-07-27T19:18:32Z"}