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Análise do desempenho de um motor a combustão de ignição por compressão monocilíndrico no funcionamento bicombustível diesel-etanol
(2018-04-10)
The main aim of this work was to investigate experimentally the effects of a compression ignition engine operating in dual fuel mode, diesel-ethanol. The experiments were conducted in a single-cylinder engine coupled to a ...
Medição da viscosidade de óleos newtonianos por reômetro óptico em diferentes temperaturas
(2015-05-11)
The viscosity assessment of two Newtonian oil was done in an unprecedented way in different flow speeds (1000rpm e 1500rpm), and as temperature function (24ºC to 50ºC), through a laser rheology method, which consists of ...
Análise de possíveis cenários para utilização de biogás em um frigorífico
(2019-11-11)
The use of biogas in an installation can make it energy independent, as it is a gas with high energy potential, is a renewable source of energy and represents an excellent economic and environmental alternative. This work ...
Aplicação do método de árvore de decisão para identificação de alterações no padrão de consumo de energia elétrica em sistema de iluminação
(2019-10-11)
Electricity consumption was one of the reduction parameters in the industry with potential for cost reduction. As a contribution to this demand, this work presents a generic method for the efficiency of energy systems and ...
Análise de previsão de preços de ações de uma carteira otimizada, utilizando análise envoltória de dados, redes neurais artificiais e modelo de box-jenkins
(2018-04-11)
The stock market attracts more and more investors because of its high profitability, when compared to other investment options. However, this commercialization of assets has a high risk, and it is advisable to use mathematical ...
Análise técnico-econômica para a implantação de uma usina de biometano com injeção na rede de gás natural
(2020-07-01)
This dissertation presents a study of technical and economic feasibility, for the implantation of biomethane gas generating plants, from the purification of biogas generated from the anaerobic biodigestion of biomass from ...
Análise de desempenho de um sistema fotovoltaico: estudo de caso comparando ensaios experimentais e simulação computacional
(2020-07-07)
The intend of this dissertation is to evaluate the reliability of the computer simulation in the PV * Sol software, applied to photovoltaic power generation projects. The use of simulation software in the design stage has ...
Influência da vazão e pressão do fluído lubrirrefrigerante na afiação de brocas de aço-rápido M2
(2019-11-29)
This work presents a study on the influence of the pressure and flow intensity of the lubricatingfluid on the external cylindrical grinding process. For the analysis results, the machining conditions were maintained constant, ...
Monitoramento do desgaste da ferramenta no processo de fresamento de aço P20 através da medição da potência do motor
(2020-11-24)
This master's thesis proposes to develop a tool wear monitoring system during the machining process by measuring the electrical power of the spindle motor. Direct measurement methods are more reliable, but can only be used ...