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Temperatura na conservação pós-colheita de cultivares de morangos
(AgronomiaDois VizinhosBrasilUniversidade Tecnológica Federal do ParanáUTFPR, 2018-11-23)
The temperature is a very important factor for the conservation of post-harvest fruits, the conservation at the appropriate temperature becomes even more important in fruits as perishable as the strawberry. In view of the ...
Simulação computacional de diferentes geometrias de canais de refrigeração do molde no processo de injeção
(Universidade Tecnológica Federal do ParanáPonta GrossaBrasilDepartamento Acadêmico de Engenharia QuímicaEngenharia QuímicaUTFPR, 2020-11-16)
With the objective of evaluate the influence on part quality and cycle time of different injection mold cooling channels, Moldflow [trade mark], a simulation software, was used to evaluate the performance of six different ...
Câmara térmica microcontrolada
(Universidade Tecnológica Federal do ParanáCuritibaBrasilGraduação em Engenharia de Controle e AutomaçãoUTFPR, 2017-02-13)
In this work was developed a small microcontrolled thermal chamber for laboratorial use. The one can adjusts temperature operation between 20 to 80 ºC. Diferently from conventional heaters, the developed chamber has Peltier ...
Análise da eficiência exergética de um sistema de refrigeração VRF com diferentes tipos de refrigerantes
(Universidade Tecnológica Federal do ParanáCuritibaBrasilCurso de Engenharia MecânicaUTFPR, 2018-07-05)
Variable Refrigerant Flow (VRF) air conditioning systems are currently being more used worldwide due to the recent search for more efficiency improved systems, which reflects direct on electric energy savings. The environmental ...
Equações de Peng-Robinson para misturas de hidrocarbonetos como fluidos refrigerantes
(Universidade Tecnológica Federal do ParanáGuarapuavaBrasilEngenharia MecânicaUTFPR, 2018-06-15)
Cooling system are used fluids refrigerants and heat pump for thermal Exchange with the environment to be refrigerated. In industrials and commercial environments the most used are R22 and R134a which have high GWP and ...
Análise de métodos de acionamento de motores de indução trifásicos visando o aumento da eficiência energética de sistemas de refrigeração
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de ElétricaEngenharia ElétricaUTFPR, 2021-11-24)
Refrigeration is of fundamental importance in the development of human beings over the years. Within this scope, diverse applications are included, from the manufacture of food, its conservation, environment refrigeration ...
Construção, critérios de dimensionamento e gerenciamento de uma bancada didática de refrigeração industrial multipressão
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia MecânicaUTFPR, 2016-10-11)
Present in various spheres of industry and society, cooling cycles play an important role in improving production processes and improving life quality. To ensure the operation of this equipment is essential to have properly ...
Análise do uso da absorção amônia-água para aparelhos de ar-condicionado comercial a energia solar
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia MecânicaUTFPR, 2019-07-26)
The use cycle of ammonia-water absorption refrigeration for commercial purposes has been studying a lot. It is being the application in solar air-conditioning the more researched, for many benefits with this system can to ...
Câmara Climática: desenvolvimento de uma câmara automatizada para controle de temperatura e umidade
(Universidade Tecnológica Federal do ParanáCuritibaBrasilGraduação em Engenharia de Controle e AutomaçãoUTFPR, 2019-10-09)
This end of the course paper presents the development of an automated climatic chamber to control the closed loop temperature and humidity of the air, só as to provide support in research related to humidity levels in ...