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Itens para a visualização no momento 11-18 of 18
Projeto de um tribômetro para ensaios de desgaste e atrito por deslizamento sob múltiplas geometrias de contato
(Universidade Federal de Santa Maria, 2023-05-29)
Wear is one of the main failure modes of engineering materials, responsible for
considerable efficiency losses in mechanical systems. To evaluate the tribological behavior
of materials subjected to sliding contacts, ...
Estudo numérico da convecção natural em um banco de tubos elípticos verticais
(Universidade Federal de Santa Maria, 2023-10-11)
Natural convection from elliptical tubes is present in many engineering applications. Electric
power transformers are examples of equipment that use a bundle of elliptical tubes setting
radiators to dissipate the heat ...
Contribuições conceituais ao projeto de mecanismos para a retirada da casca de mandioca
(Universidade Federal de Santa Maria, 2023-06-27)
The root of the cassava, scientifically known as Manihot Esculenta Crantz, traditionally tropical and native to South America, is an edible root that serves as a staple food for humans. In order to be consumed, the outer ...
Projeto de motor monocilindro de pesquisas termodinâmicas
(Universidade Federal de Santa Maria, 2023-11-08)
The approval of vehicles with gasoline direct injection (GDI) engines, which new
emission and efficiency requirements, is a challenge. Ultra-high pressure direct
injection (UHPDI) in spark-ignition engines brings significant ...
Estudo 3-D do impacto da geometria dos dutos sobre o escoamento do ar no leito poroso em secadores de fluxo misto
(Universidade Federal de Santa Maria, 2023-11-07)
This work aims to evaluate the effect of the geometry and arrangement of the air ducts in
mixed flow dryers, using Computational Fluid Dynamics (CFD) as an analysis tool. The
focus was on the air distribution in the ...
Sistematização dos conhecimentos para o projeto de um reator de cavitação hidrodinâmica para beneficiamento de cerveja durante o processo dry hopping
(Universidade Federal de Santa Maria, 2023-07-04)
The expanding craft beer market requires the entrepreneur to constantly improve
products to differentiate it. Therefore, some research has emerged regarding the process called
Dry hopping, considering how more hop flavors ...
Influência da velocidade de deslizamento e pressão de contato sobre o desempenho tribológico de aços ferramenta para estampagem a frio
(Universidade Federal de Santa Maria, 2023-05-08)
The use of high-strength metal sheets in the mechanical forming process results in an increase in tool wear rate. This wear is especially significant in deep-drawing tools, presenting a significant economic impact on the ...
Tribocorrosão do aço inoxidável martensitico AISI 420 cementado por plasma a baixa temperatura: sinergia erosão-corrosão
(Universidade Federal de Santa Maria, 2023-12-11)
ibocorrosive performance of AISI 420 martensitic stainless steel. The study is structured
in two parts. In the first part, experiments were conducted to assess the impact of erosion test
parameters, including impact ...