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Proceedings Paper

Fiber optic probe for local void fraction measurements in bubbly flows
Author(s): Chien-Hsun Lee; Ching-Jer Huang; Wuu-Wen Lin
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Paper Abstract

A technique based on Fresnel reflection at the tip of a fiber optic probe is used to investigate local void fractions in bubbly flows. The fiber optic system with multiplexing scheme is designed for demonstrating the feasibility of measuring local void fractions in bubbly flows. Processing the signal acquired from the fiber optic system, local void fractions can be obtained. Linear regression with least square method is applied to analyze data. The correlation coefficient of 0.94 indicates that the technique seems to be suited for measuring local void fractions in the range from 2% to 20%.

Paper Details

Date Published: 2 July 2007
PDF: 4 pages
Proc. SPIE 6619, Third European Workshop on Optical Fibre Sensors, 66190P (2 July 2007); doi: 10.1117/12.738403
Show Author Affiliations
Chien-Hsun Lee, National Cheng Kung Univ. (Taiwan)
Ching-Jer Huang, National Cheng Kung Univ. (Taiwan)
Wuu-Wen Lin, Ta Jen Univ. (Taiwan)

Published in SPIE Proceedings Vol. 6619:
Third European Workshop on Optical Fibre Sensors

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