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Demonstração didática da interação entre correntes elétricas
(Sociedade Brasileira de Física, 2007-01-01)
Apresentamos a primeira experiência crucial de Ampère mostrando a interação entre dois fios metálicos conduzindo correntes elétricas. Discutimos sua importância na história da física. Descrevemos uma reprodução moderna dos ...
Thermal insulators with multiple air gaps: Performance, cost and embodied impacts
(Elsevier, 2017-07)
The aim of this work is to demonstrate the potential thermal, environmental and cost advantages of a thermal insulation, which consists on several air chambers between layers of an insulation material with low infrared ...
Projeto, simulação e análise de desempenho de coletores solares poliméricos
(Universidade do Vale do Rio dos Sinos, 2014-01-31)
Solar energy is a clean, renewable energy that is standing out on the world stage, especially in developed countries like Japan, Germany and USA. One of the applications in which the use of solar energy is currently growing ...
Projeto, simulação e análise de desempenho de coletores solares poliméricos
(Universidade do Vale do Rio dos Sinos, 2014-01-31)
Solar energy is a clean, renewable energy that is standing out on the world stage, especially in developed countries like Japan, Germany and USA. One of the applications in which the use of solar energy is currently growing ...
Otimização de um forno solar de baixo custo para assamento de alimentosOptimization of a low-cost solar oven for food baking
(Universidade Federal do Rio Grande do NorteBrasilUFRNEngenharia MecânicaDepartamento de Engenharia Mecânica, 2022)
Characterization of an alternative thermal insulation material using recycled expanded polystyrene
(Elsevier, 2021-09)
Thermal insulations help to reduce household energy demand and extend the periods of thermal comfort generated by heating and cooling systems. Conventional isolations may not be economically accessible to all social sectors, ...
Diclofenac removal in water supply by adsorption on composite low-cost material
(2019-01-01)
This work objective was to evaluate batch adsorption processes using polyethylene terephthalate composite (PTC) material, sugarcane bagasse ash (SBA) functionalized with iron oxide (Fe3+) (PTCSBA/ Fe3+) in the adsorption ...
Production of Ti-35Nb alloy by powder metallurgy for aerospace application
(2004-12-01)
Titanium and its alloys provide high strength-to-weight ratios, good fatigue strength and increased corrosion resistance compared with others materials. Its acceptance in aerospace has been limited by costs considerations ...
Production of Ti-35Nb alloy by powder metallurgy for aerospace application
(2004-12-01)
Titanium and its alloys provide high strength-to-weight ratios, good fatigue strength and increased corrosion resistance compared with others materials. Its acceptance in aerospace has been limited by costs considerations ...
A functionalized renewable carbon-based surface for sensor development
(2021-03-01)
This paper describes the surface modification of glassy carbon (GC) electrodes with a bamboo-based renewable carbon (RC) before and after an acid functionalization procedure with a sulfonitric solution (1:3 HNO3/H2SO4). ...