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Manequim automatizado para testes em expositores verticais refrigerados
(Universidade Tecnológica Federal do ParanáCuritibaDepartamento Acadêmico de Eletrotécnica, 2015-03-06)
The constant search for improving processes, reducing stress or human interference is growing and increasingly present. With all technology, the use of automated systems in the equipment efficiency test is possible. The ...
Aprimoramento da bancada didática portátil de refrigeração
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de MecânicaEngenharia MecânicaUTFPR, 2017-06-07)
This project presents the detailed implementation of a temperature control system in a refrigeration bench and its impact on the refrigeration cycle. Such a bench was intended for the basic teaching of calorimetry in middle ...
Caracterização de espuma rígida de poliuretano aplicada em refrigeração
(Universidade Tecnológica Federal do ParanáLondrinaBrasilEngenharia de MateriaisUTFPR, 2018-06-12)
Polyurethanes are a class of polymeric materials, which presents great versatility and variety of applications, has being shown in this work as rigid foam. One of the main applications of this material is in refrigeration, ...
Cogeneration for small users: case studies for Brazilian tertiary sector
(1995-12-01)
In this paper we present technical and economic studies of cogeneration systems utilizing combustion engines and gas turbines, applied in two establishments of the tertiary sector, regarding Brazilian conditions (according ...
Cogeneration for small users: case studies for Brazilian tertiary sector
(1995-12-01)
In this paper we present technical and economic studies of cogeneration systems utilizing combustion engines and gas turbines, applied in two establishments of the tertiary sector, regarding Brazilian conditions (according ...
The experimetal investigation of evaporator's condition on performance of refrigeration systems
(Universidade Federal do Paraná, 2012)
Modelo para predição de resultados de ensaios de sistemas de refrigeração em tempo real
(Universidade Tecnológica Federal do ParanáCuritibaPrograma de Pós-Graduação em Engenharia Mecânica e de Materiais, 2012-02-16)
The performance of household refrigeration systems are usually evaluated through experimental tests carried at in temperature and humidity controlled chambers. During the tests, the discharge and suction pressures, the ...
Ovine epididymal spermatozoa preservation in liquid state with or without seminal plasma epididimarios ovinos
(Univ Federal Santa Maria, 2018-01-01)
Preservation and use of spermatozoa that have been recovered after death can extend the use of genetically superior animals. The objective of this study was to evaluate the maximum period for which ovine spermatozoa could ...
Hyperbaric pressure combined with refrigeration vs conventional refrigeration: Ripening and senescence processes of tomatoes
(2021-11-17)
This study aimed to evaluate whether the hyperbaric pressure combined with refrigeration (200, 400, 600, and 800 kPa at 13 ± 1°C) for 4 or 8 d, promotes any improvement compared to conventional refrigeration (13 ± 1°C to ...