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Distributed hot-wire anemometry based on Brillouin optical time-domain analysis. | LitMetric
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Distributed hot-wire anemometry based on Brillouin optical time-domain analysis.

Michael T V Wylie Anthony W Brown Bruce G Colpitts

Opt Express

Department of Electrical and Computer Engineering, University of New Brunswick, Fredericton, NB, E3B 1X2 Canada.

Published: July 2012

A distributed hot-wire anemometer based on Brillouin optical time-domain analysis is presented. The anemometer is created by passing a current through a stainless steel tube fibre bundle and monitoring Brillouin frequency changes in the presence of airflow. A wind tunnel is used to provide laminar airflow while the device response is calibrated against theoretical models. The sensitivity equation for this anemometer is derived and discussed. Airspeeds from 0 m/s to 10 m/s are examined, and the results show that a Brillouin scattering based distributed hot-wire anemometer is feasible.

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http://dx.doi.org/10.1364/OE.20.015669DOI Listing

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