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Itens para a visualização no momento 81-89 of 89
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 ...
Análise do processo de produção da extração de pedras preciosas visando alternativas rentáveis e ambientalmente eficazes
(Universidade Federal de Santa Maria, 2011-12-07)
The discussions about the issue of correct waste management have been growing in the recent years. In this sense, this study aimed to propose profitable and environmentally effective alternatives, through the analysis of ...
O biodigestor como alternativa tecnológica para tratamento de dejetos suínos: um estudo de caso do sistema integrado de produção na região das Missões do estado do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2011-09-30)
Swine breeding is an activity in constant growth in Brazil especially in the
Southern regions of Brazil. Nowadays, this activity plays a very relevant role for
Brazilian economy, generating employment and income for rural ...
Projeto e validação experimental de um controlador robusto H2 aplicado a conversores Boost
(Universidade Federal de Santa Maria, 2011-07-25)
This dissertation presents as the main contribution the design and experimental
validation of a robust H2 controller applied to boost converters with variations on the
parameters load resistance, input voltage and operating ...
O planejamento estratégico pessoal da saúde como suporte para o planejamento individual
(Universidade Federal de Santa Maria, 2011-12-19)
Health is related to the growth of life quality and longevity, helping people to have
equilibrium in all personal life areas. In this context, the actual study consists in to develop a
Personal Health Strategic Planning ...
Comparação de desempenho entre programas CNC paramétricos e gerados por sistema CAM.
(Universidade Federal de Santa Maria, 2011-12-15)
The use of CAM system to create tool s trajectories in outline of simple
geometry depends directly of knowledge and ability from user in how to maintain the
information and make use of available riches from these systems. ...
Previsão de consumo de energia elétrica e elaboração de modelos de otimização em cooperativa de eletrificação rural
(Universidade Federal de Santa Maria, 2011-08-30)
This dissertation aims to build a set of tools based on mathematical models to assist a rural
electrification cooperative in taking strategic decisions on investing in electrical generation in
face of erratic and ...
Determinação experimental e numérica da redução sonora aérea em paredes de alvenaria utilizadas em habitações
(Universidade Federal de Santa Maria, 2011-03-15)
In this research some kinds of masonry walls have been used as internal divisions in
three Brazilian dwelling buildings to determine the airborne sound reduction, by
experimental tests in field and computer simulations. ...
Sistemas eletrônicos de iluminação baseados nos conversores CA/CA
(Universidade Federal de Santa Maria, 2011-08-23)
This thesis proposes to improve the efficiency of public illumination systems by means of AC chopper based power converters. A comparative study of high performance AC/AC converters feeding high pressure sodium lamps on ...