Abstract
We present a numerical and experimental analysis of a ferrule-top cantilever optical fiber sensor applied to low speed air flow velocity measurements. The device forms a low-finesse Fabry–Perot interferometer, with the cantilever being one of the reflecting surfaces. Under the effect of the flow pressure, the cantilever bends producing a change in the cavity length and therefore a modification of the optical response. The numerical analysis was performed by combining finite-element method (FEM) and computational fluid dynamics (CFD). The numerical results are compared with a set of experimental data obtained in a low speed wind tunnel.
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Cipullo A, Gruca G, Heeck K, De Filippis F, Iannuzzi D, Zeni L (2011) Ferrule-top cantilever optical fiber sensor for velocity measurements of low speed air flows. In: Bock WJ, Albert J, Bao X (eds) 21st international conference on optical fiber sensors. Proceedings of the SPIE, vol 7753, Ottawa, pp 775340–1775340
Acknowledgments
The authors acknowledge support from the European COST action TD1001 – OFSeSa. G. Gruca, K. Heeck and D. Iannuzzi acknowledge support from the European Research Council under the European Community’s Seventh Framework Program (FP7/2007–)/ERC grant agreement number 207139.
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Cipullo, A. et al. (2014). Numerical and Experimental Characterization of a Ferrule-Top Cantilever Optical Fiber Sensor for Flow Velocity Measurements. In: Baldini, F., et al. Sensors. Lecture Notes in Electrical Engineering, vol 162. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-3860-1_60
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DOI: https://doi.org/10.1007/978-1-4614-3860-1_60
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