Buscar
Mostrando ítems 1-10 de 106
Desenvolvimento de um sensor óptico para medidas de fração de vazio de um minicanal
(Universidade do Vale do Rio dos Sinos, 2013-01-18)
This work presents the development of an experimental methodology for measuring
void fraction in an air-water two-phase flow, using optical sensor in a horizontal mini channel of 2.6 mm internal diameter. ...
Desenvolvimento de um sensor óptico para medidas de fração de vazio de um minicanal
(Universidade do Vale do Rio dos Sinos, 2013-01-18)
This work presents the development of an experimental methodology for measuring
void fraction in an air-water two-phase flow, using optical sensor in a horizontal mini channel of 2.6 mm internal diameter. ...
Método de caracterização do escoamento bifásico usando sensores de deformação baseados em redes de Bragg em fibras ópticas
(Universidade Tecnológica Federal do ParanáCuritibaPrograma de Pós-Graduação em Engenharia Elétrica e Informática Industrial, 2015-02-26)
This study developed a technique to characterize the two phase flow using optical fiber Bragg grating strain sensors. These sensors have features such as small size, flexibility, allowing to accurately measure a number of ...
A Molecular Imprinted Polymer as a Flow-Through Optical Sensor for Oxazepam
(Hindawi Publishing Corporation, 2018-04)
A flow-through optosensing system for oxazepam recognition with fluorescence detection was performed by means of a molecular imprinted polymer based on its acid hydrolysis product, 2-amino-5-chlorobenzophenone. The synthesis ...
Instrumentação baseada em redes de Bragg em fibra ótica para a monitoração da vazão de fluídos através do uso da termometria
(Universidade Tecnológica Federal do ParanáCuritibaPrograma de Pós-Graduação em Engenharia Elétrica e Informática Industrial, 2010-04-09)
In this work we inferred a fluid flow seeping from a cooper pipe through thermometers scheme in different flows, through the use of optical sensors based on temperature Bragg Gratings written in optical fiber (FBG). We ...
Análise de pontos quentes utilizando sensores à fibra óptica no monitoramento de painel fotovoltaico
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de InformáticaEngenharia de ComputaçãoUTFPR, 2017-12-06)
This work presents an analysis of the behavior of hot spots using optical fiber sensors based on Bragg gratings, for the monitoring of a photovoltaic panel. The main goal is to understand how these hot spots, which negatively ...
Optical current sensor by self-compensating the Faraday effect
(2009)
A novel optical system that combines a polarimetric current sensor based on the Faraday effect, and a voltage sensor based on the Pockels effect, is described. The proposed device uses polarizers that possess high polarization ...