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Itens para a visualização no momento 11-20 of 33
Obtenção e caracterização da sílica precipitada de cascas de arroz
(Universidade Federal de Santa Maria, 2019)
Rice husk is an agricultural biomass which contains silica and can be used in a range of applications based on its potential characteristics. Some characteristics are related to increased
strength and durability when ...
Desenvolvimento de coletores solares de baixo custo para aquecimento de água em piscinas residenciais
(Universidade Federal de Santa Maria, 2019-07-11)
In this study, the feasibility of installing low cost alternative solar heaters in the city of Cachoeira do Sul, Rio Grande do Sul, was analyzed. Its main focus is on the heating of water for residential swimming pools, ...
Projeto preliminar de equipamento didático produtor de biodiesel
(Universidade Federal de Santa Maria, 2019-12-15)
Sustainable development can be defined as the production of goods and energy respecting and preserving natural resources. As a result, biofuels have gained more relevance when it comes to energy production. Its study and ...
Viabilidade da produção de biogás a partir de dejetos animais
(Universidade Federal de Santa Maria, 2019-12-05)
Promoting proper management of waste and effluents generated in production processes is one of the main challenges of today's society. Among the various types of waste and effluents generated, organic material compounds, ...
Análise da qualidade nos projetos de ensino, pesquisa e extensão da Universidade Federal de Santa Maria - Campus Cachoeira do Sul
(Universidade Federal de Santa Maria, 2019-12-01)
Fierce competition and globalization require companies to improve their quality performance. Technological and economic transformations drive not only companies, but several other entities, such as the Federal Universities ...
Análise de falhas de um sistema técnico agrícola para implementação sulco-camalhão
(Universidade Federal de Santa Maria, 2019-07-11)
The advance in the agribusiness of Brazil is of great influence for the development of the country. The increase in grain yield, the control of spontaneous plants and the diversification of income are factors that promote ...
Avaliação da influência da variação de temperatura sobre a ductilidade em cordões de solda através de ensaios de impacto
(Universidade Federal de Santa Maria, 2019-12-05)
One of the most widely used manufacturing processes in the industry today is welding. Through it, metal products and structures are manufactured that, depending on their application, may face very different conditions ...
Dimensionamento de um rotos hidráulico do tipo Francis para uma pequena central hidrelétrica no Rio Pardo
(Universidade Federal de Santa Maria, 2019-12-05)
The sizing of a Francis type hydraulic rotor is complex and requires knowledge of principles and theories applied to turbochargers. This paper presents the study of the
necessary steps to converge to the design of the ...
Definição da contribuição dos aspectos que influenciam a difusão de sistemas fotovoltaicos em consumidores residenciais
(Universidade Federal de Santa Maria, 2019-12-12)
With an increasing demand for electricity and the various concerns about the environment, increase of fossil fuels and energy security, increased the concern of producing energy from renewable sources. In 2002 was created ...
Software para projeto e análise de conversores estáticos
(Universidade Federal de Santa Maria, 2019-12-11)
This paper presents the development of a tool to assist in the design and analysis of simple static converters such as buck, boost, buck-boost converter for both operation modes and
flyback for DCM. Initially, a bibliographic ...