{"id":{"repo_id":"brazil-ufrn","oai_identifier":"oai:repositorio.ufrn.br:123456789/15635"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-ufrn/oai:repositorio.ufrn.br:123456789/15635","repository":{"repo_id":"brazil-ufrn","name":"Brazil UFRN","base_url":"https://repositorio.ufrn.br/server/oai/request"},"display":{"title":"Análise teórico-experimental do coeficiente de perfomance (COP) de um sistema de refrigeração por jato-compressão","abstract":"The use of waste heat of energy conversion equipment to produce a cooling effect, consists currently in a very interesting way of efficiency improvement of energy systems. The present research has as intention the theoretical and experimental study of a new intermittent refrigeration system ejector cycle characteristics, with use of waste heat. Initially, was doing a bibliographical survey about the vapor ejector refrigeration system technology. In the following stage was doing a simulation of the corresponding thermodynamic cycle, with preliminarily intention to evaluate the performance of the system for different refrigerants fluids. On the basis of the results of the simulation were selected the refrigerant fluid and developed an experimental group of benches of the refrigeration system considered, where pressure and temperature sensory had been inserted in strategical points of the refrigeration archetype and connected to a computerized data acquisition system for measure the refrigerant fluid properties in the thermodynamic cycle. The test results obtained show good agreement with the literature","abstract_html":"The use of waste heat of energy conversion equipment to produce a cooling effect, consists currently in a very interesting way of efficiency improvement of energy systems. The present research has as intention the theoretical and experimental study of a new intermittent refrigeration system ejector cycle characteristics, with use of waste heat. Initially, was doing a bibliographical survey about the vapor ejector refrigeration system technology. In the following stage was doing a simulation of the corresponding thermodynamic cycle, with preliminarily intention to evaluate the performance of the system for different refrigerants fluids. On the basis of the results of the simulation were selected the refrigerant fluid and developed an experimental group of benches of the refrigeration system considered, where pressure and temperature sensory had been inserted in strategical points of the refrigeration archetype and connected to a computerized data acquisition system for measure the refrigerant fluid properties in the thermodynamic cycle. The test results obtained show good agreement with the literature","abstract_has_math":false,"creators":["Vargas, Luiz Carlos Pereira"],"institution":"Universidade Federal do Rio Grande do Norte","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Barbosa, Cleiton Rubens Formiga"],"committee_chairs":[],"committee_members":[],"year":2010,"date_issued":"2010-04-26","date_published":"2010-04-26","updated_at":"2026-07-24T01:20:46Z","subjects":["Ejetor","Rejeitos térmicos","Refrigeração por ejetor","Ciclo de refrigeração intermitente","Ejector","Waste heat","Cooling ejector","Refrigeration cycle intermittent"],"languages":["por"],"rights":["Acesso Aberto"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://repositorio.ufrn.br/jspui/handle/123456789/15635","outbound_label":"Repository record","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Barbosa, Cleiton Rubens Formiga"]},{"key":"dc:creator","label":"Author","values":["Vargas, Luiz Carlos Pereira"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-12-17T14:58:05Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2011-06-22","2014-12-17T14:58:05Z"]},{"key":"dc:date.issued","label":"Date","values":["2010-04-26"]},{"key":"dc:publisher","label":"Institution","values":["Universidade Federal do Rio Grande do Norte"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Tecnologia de Materiais; Projetos Mecânicos; Termociências"]},{"key":"dc:type","label":"Dc Type","values":["masterThesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Ejetor","Rejeitos térmicos","Refrigeração por ejetor","Ciclo de refrigeração intermitente","Ejector","Waste heat","Cooling ejector","Refrigeration cycle intermittent"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["por"]},{"key":"dc:rights","label":"Dc Rights","values":["Acesso Aberto"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://repositorio.ufrn.br/jspui/handle/123456789/15635"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The use of waste heat of energy conversion equipment to produce a cooling effect, consists currently in a very interesting way of efficiency improvement of energy systems. The present research has as intention the theoretical and experimental study of a new intermittent refrigeration system ejector cycle characteristics, with use of waste heat. Initially, was doing a bibliographical survey about the vapor ejector refrigeration system technology. In the following stage was doing a simulation of the corresponding thermodynamic cycle, with preliminarily intention to evaluate the performance of the system for different refrigerants fluids. On the basis of the results of the simulation were selected the refrigerant fluid and developed an experimental group of benches of the refrigeration system considered, where pressure and temperature sensory had been inserted in strategical points of the refrigeration archetype and connected to a computerized data acquisition system for measure the refrigerant fluid properties in the thermodynamic cycle. The test results obtained show good agreement with the literature"]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Análise teórico-experimental do coeficiente de perfomance (COP) de um sistema de refrigeração por jato-compressão"]}]}],"canonical_facts":{"dc:contributor.advisor":["Barbosa, Cleiton Rubens Formiga"],"dc:creator":["Vargas, Luiz Carlos Pereira"],"dc:date.accessioned":["2014-12-17T14:58:05Z"],"dc:date.available":["2011-06-22","2014-12-17T14:58:05Z"],"dc:date.issued":["2010-04-26"],"dc:description.abstract":["The use of waste heat of energy conversion equipment to produce a cooling effect, consists currently in a very interesting way of efficiency improvement of energy systems. The present research has as intention the theoretical and experimental study of a new intermittent refrigeration system ejector cycle characteristics, with use of waste heat. Initially, was doing a bibliographical survey about the vapor ejector refrigeration system technology. In the following stage was doing a simulation of the corresponding thermodynamic cycle, with preliminarily intention to evaluate the performance of the system for different refrigerants fluids. On the basis of the results of the simulation were selected the refrigerant fluid and developed an experimental group of benches of the refrigeration system considered, where pressure and temperature sensory had been inserted in strategical points of the refrigeration archetype and connected to a computerized data acquisition system for measure the refrigerant fluid properties in the thermodynamic cycle. The test results obtained show good agreement with the literature"],"dc:format":["application/pdf"],"dc:identifier.uri":["https://repositorio.ufrn.br/jspui/handle/123456789/15635"],"dc:language":["por"],"dc:publisher":["Universidade Federal do Rio Grande do Norte"],"dc:publisher.department":["Tecnologia de Materiais; Projetos Mecânicos; Termociências"],"dc:rights":["Acesso Aberto"],"dc:subject":["Ejetor","Rejeitos térmicos","Refrigeração por ejetor","Ciclo de refrigeração intermitente","Ejector","Waste heat","Cooling ejector","Refrigeration cycle intermittent"],"dc:title":["Análise teórico-experimental do coeficiente de perfomance (COP) de um sistema de refrigeração por jato-compressão"],"dc:type":["masterThesis"]},"updated_at":"2026-07-24T01:20:46Z"}