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Proceedings Paper

Fiber optic sensor for flow and viscosity measurement
Author(s): Wei-Chih Wang; Jonathan Leang
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Paper Abstract

A sensitive fluid viscosity and flow measurement device using optical intensity based sensing is presented. The sensing principle makes use of the damping characteristic of a vibrating optical fiber probe with approximate hinge-free end configuration. The viscosity and mass flow are determined by measuring the vibration of a sinusoidally excited tapered optical fiber under different flow conditions. By measuring the frequency response of the fiber probe, viscosity and mass flow can be deduced from the damping coefficient of the response. The concepts and experimental data presented demonstrate and refine the sensing process of the proposed system.

Paper Details

Date Published: 1 April 2016
PDF: 9 pages
Proc. SPIE 9805, Health Monitoring of Structural and Biological Systems 2016, 98051Y (1 April 2016); doi: 10.1117/12.2219097
Show Author Affiliations
Wei-Chih Wang, National Tsinghua Univ. (Taiwan)
Univ. of Washington (United States)
Jonathan Leang, Univ. of Washington (United States)


Published in SPIE Proceedings Vol. 9805:
Health Monitoring of Structural and Biological Systems 2016
Tribikram Kundu, Editor(s)

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