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Itens para a visualização no momento 2951-2960 of 3387
Avaliação da vida da ferramenta e mecanismos de desgaste no torneamento convencional e de alto avanço da zona termicamente afetada pelo corte térmico prévio no aço ABNT NBR 6655 grau LN 280
(Universidade Federal de Santa Maria, 2022-09-14)
Cutting tool life has a significant impact on the final costs of the machined product.
Thus, it is essential that criteria be established to define the end of its useful life, in order to
mitigate the effects of wear and ...
Otimização da seleção de parâmetros através do método de taguchi para soldagem em aço DIN EN 10025-2 S275JR-AR pelo processo GMAW robotizado
(Universidade Federal de Santa Maria, 2022-08-24)
Gas metal arc welding (GMAW) is one of the most used welding methods in the
metalworking industry, due to its high productivity and the possibility of welding
different thicknesses components. The increase in performance ...
Desenvolvimento de um anteprojeto de sistema de calefação por piso radiante com aproveitamento da energia solar
(Universidade Federal de Santa Maria, 2011-10-27)
Several Brazilian regions lack technology for efficient heating of building
interiors during cold periods. Currently, there are several commercial systems that
attempt to solve this problem but can not combine thermal ...
Projeto e análise da eficiência de um sistema solar misto de aquecimento de água e de condicionamento térmico de edificações para Santa Maria - RS
(Universidade Federal de Santa Maria, 2012-03-07)
The use of solar energy in buildings, to improve the comfort environmental
conditions implies in the reduction of energy consumption. Since this is a clean,
renewable and abundant energy, the use of design strategies ...
Síntese e caracterização do composto TiO2 dopado com nitrogênio e estudo de sua atividade fotocatalítica sob luz visível e irradiação solar
(Universidade Federal de Santa Maria, 2012-03-02)
In this work was carried out the catalyst synthesis TiO2 doped with nitrogen by sol-gel method, followed by calcination step. Were used three different calcination temperatures, 400, 450 and 500 ° C, while the other synthesis ...
Energias Renováveis – O Uso da Energia Solar no Brasil
(Universidade Federal de Santa Maria, 2023-03-13)
The study in question aims to analyze solar energy in Brazil, governing
standards, incentives for its use and its suitability to contribute to sustainable
development. Taking into account that Brazil has a great energy ...
Metodologia para planejamento e análise de microrredes de estações de recargas rápidas considerando indicadores net zero energy building
(Universidade Federal de Santa Maria, 2023-03-22)
The global goals defined for the reduction of the emission of Greenhouse Effect Gases
(GHG) aiming to prevent the increase in the terrestrial temperature until the end of this
century pass through the decarbonization of ...
Viabilidade técnica, econômica e social do aproveitamento das águas de chuva e cinzas para consumo não potável na cidade de Santa Maria/RS
(Universidade Federal de Santa Maria, 2013-04-01)
The objective of this work was to study a technical, social and economical
viability of the optimization for grey and rain waters for non drinkable consumption in
the city of Santa Maria, RS. The volume of the rain water ...
Método de controle e supervisão para grupos motores geradores com velocidade variável
(Universidade Federal de Santa Maria, 2013-02-27)
Motor generator sets are widely used to generate electricity in case of grid failure or to
supply part of the demand for commercial and industrial consumers. The vast majority of
motor generator sets work with constant ...
Análise da disponibilidade de iluminação natural e artificial em salas de aula de instituição pública de ensino superior
(Universidade Federal de Santa Maria, 2013-06-20)
The classrooms are the more permanent environments at schools; therefore their thermal, visual and acoustic characteristics must be carefully considered. Visual comfort can be achieved only with daylighting; artificial ...