In-situ measurement of non-steady flows using optical feedback interferometry

Abstract : We present a real-time system for flow measurement in millifluidic configuration based on optical feedback interfero-metry. The sensing method exploits the power spectral density information of the acquired signals affected by the backscattered light of particles contained in a fluid. We validate experimentally the method on-site by reconstructing the periodicity of non-steady flows of a peristaltic pump. This demonstrates potential applications for flow assessments in closed liquid-filled circuits.
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Evelio Esteban Ramírez-Miquet, Antonio Luna Arriaga, Adam Quotb, O. Sotolongo-Costa, Julien Perchoux. In-situ measurement of non-steady flows using optical feedback interferometry. 2015 IEEE International Conference on Industrial Technology, Mar 2015, Séville, Spain. pp.1469-1473, ⟨10.1109/ICIT.2015.7125304⟩. ⟨hal-01167816⟩

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