The present investigation is developed in the refrigeration industry, whose activity is the production and commercialization of the ice used mainly in the fishing industry. The development consists in evaluating and comparing ...

A maioria dos sistemas de refrigeração por compressão de vapor de uso doméstico utilizam compressores alternativos com válvulas automáticas do tipo palheta para controlar os processos de sucção e descarga do fluido ...

Alguns compressores podem gerar variações atípicas de ruído que gera incômodo. Este trabalho tem por objetivo detectar e classificar os seguintes padrões do compressor: gotejamento (dripping noise), batida do kit na carcaça ...

The fundamental role of electricity in modern society cannot be overstated. In a ever increasing energy consumption world, shifting from fossil fuels towards a more renewable generation system will incur in deep changes, ...

Compressed air is an utility with several applications in industry. Cleaning of equipments and environment, operating pneumatic machineries and robots, drying tanks and spray dying are some examples of common applications ...

This graduate work focuses on the design and construction of a modular air system that addresses the consequences of natural phenomena such as desertification, providing an alternative cropping that does not require the ...