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Eficiência energética: mapeando oportunidades em indústria de alimentos através de melhorias operacionais nos sistemas de utilidades
(Universidade Tecnológica Federal do ParanáPonta GrossaBrasilEngenharia de ProduçãoUTFPR, 2016-03-12)
Against the unfavorable energy scenario of the country, this study aims to identify possible opportunities for improving energy efficiency in the area of utilities, including the cooling system, and the treatment of ...
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, ...
Programação e gerenciamento do programa Sitrad da bancada didática de refrigeração industrial e multipressão
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilTecnologia em Manutenção IndustrialUTFPR, 2014-08-18)
The importance of total control and perfect setting for industrial cold rooms, requiring the operator expertise, electrical and the use of specific programs for management and control equipment. Among the advantages of ...
Estudo comparativo entre os coeficientes de performance dos ciclos frigoríficos convencional e de cascata amônia/amônia do processo de liofilização de café
(Universidade Tecnológica Federal do ParanáCornelio ProcopioBrasilEngenharia MecânicaUTFPR, 2016-06-01)
The industrial refrigeration has been widely used by the food industry in the productive process that involves liquid removal, like freeze-dry (lyophilization) that is dehydration of food with the objective to preserve ...
Variable speed refrigeration system with HPF input rectifier stage
(2008-09-22)
This paper is based on the analysis and implementation of a new drive system applied to refrigeration systems, complying with the restrictions imposed by the IEC standards (Harmonic/Flicker/EMI-Electromagnetic Interference ...
Variable speed refrigeration system with HPF input rectifier stage
(2008-09-22)
This paper is based on the analysis and implementation of a new drive system applied to refrigeration systems, complying with the restrictions imposed by the IEC standards (Harmonic/Flicker/EMI-Electromagnetic Interference ...
Construção de protótipo de banco de gelo para avaliação do desempenho de sensores com foco na melhoria da eficiência energética
(Universidade Tecnológica Federal do ParanáPonta GrossaBrasilEngenharia ElétricaUTFPR, 2019-12-05)
Notable is the increase in studies aimed at developing methods to improve energy efficiency. Especially with the inevitable growth of consumption by industry and population. Large industries have very powerful equipment ...
Bomba de refrigeração móvel de alta pressão
(Universidade Tecnológica Federal do ParanáCuritibaBrasilAutomação IndustrialUTFPR, 2019-12-05)
This project presents a quick solution in case of deficiency in the high-pressure refrigeration system in machining centers in a block machining plant in the Curitiba region. Its purpose is to reduce machine intervention ...
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 ...
Automatização de sistema de refrigeração de conforto
(Universidade Tecnológica Federal do ParanáCuritibaDepartamento Acadêmico de Eletrônica, 2015-02-11)
The different air conditioning systems for comfort made its employment increased in various industrial and commercial areas. And the development of these refrigeration equipaments required that the system of control was ...