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A differential equation for the flow rate during silo discharge: Beyond the Beverloo rule
(EDP Sciences, 2017-06)
We present a differential equation for the flow rate of granular materials during the discharge of a silo. This is based in the energy balance of the variable mass system in contrast with the traditional derivations based ...
Desempenho de válvulas antigotas e microaspersoresPerformance of leak-preventing device and microsprinkler
(Associação Brasileira de Engenharia Agrícola, 2010)
Experimental And Theoretical Study Of Atmospheric-pressure Argon Microplasma Jets
(IOP PUBLISHING LTDBRISTOL, 2015)
Análise do comportamento dinâmico de descargas parciais e da produção de ondas sonoras a partir de simulação numérica
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em Engenharia Elétrica e Informática IndustrialUTFPR, 2022-08-09)
Partial discharges can occur in different types of electric equipment and cause progressive insulation deterioration, só there is interest in monitoring partial discharges for assessing the state of the isolation of an ...
Avaliação de funcionamento das bombas hidráulicas do sistema de tratamento de efluentes da Empresa Parker Hannifin
(Universidade Estadual Paulista (Unesp), 2013-12-10)
On the field of the projects of hydraulic systems exists a lot of worries when we talk about the calculate of hydraulic pumps. In this case some facts must be considerate: length of tubes, fluid characteristics, height ...
Caracterização técnica e desempenho hidráulico de quatro gotejadores autocompensantes utilizados no Brasil
(Universidade Federal de Santa Maria, 2015-08-01)
This study aimed to characterize and evaluate the performance of four models self-compensating drippers commonly used in drip irrigation systems in Brazil. To perform the study it was taking a sample of 25 emitters of each ...
Description of chemically and thermally treated multi-walled carbon nanotubes using sequential decomposition of adsorption isotherms
(World Scientific, 2016-08)
The effect of wet acid oxidation by means of sulfuric/nitric acid mixtures, and high-temperature treatment of commercial arc-discharge synthesized multi-walled carbon nanotubes (MWCNTs) was studied. In order to analyze the ...
Avaliação técnica de tubos emissores para irrigação localizada
(Universidade Estadual Paulista (Unesp), 2006-02-03)
Com o desenvolvimento da tecnologia dos plásticos, tornou-se possível à construção de tubos emissores, com padrão de qualidade, a custos relativamente baixos. O emprego da irrigação localizada, pelo sistema de gotejamento, ...