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Type: Artigo de evento
Title: Real-time Optical Fiber Sensor For Hydro-alcoholic Solutions
Author: Fujiwara E.
Takeishi R.T.
Ono E.
Dos Santos J.S.
Hase A.
Suzuki C.K.
Abstract: The real-time determination of hydro-alcoholic concentration in alcohol distillation plants is a primordial condition in order to preserve the quality and reduce production losses. Presented research proposes a Fresnel reflectometric optical fiber sensor for the determination of hydro-alcoholic concentration in liquids. The intensity of reflected light and the sample temperature are continuously measured and processed by a fast algorithm. Calibration curves were prepared for a range from 0 to 100% of water in alcohol (ethanol) and adjusted to second order polynomials. According to functional tests, sensor provides maximal error of 1.3 % for concentration values and proportionates practically real-time analysis. © 2009 SPIE.
Rights: aberto
Identifier DOI: 10.1117/12.834250
Date Issue: 2009
Appears in Collections:Unicamp - Artigos e Outros Documentos

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