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In this paper, a toroidal centripetal flow measurement device for open ended discharge applications has been presented. This flow sensor uses fiber Bragg grating strain sensors mounted on a curved fiberglass beam. Temperature compensation is achieved by means of a differential wavelength measurement. This flow measurement technique has been demonstrated over a streamwise flow velocity range of 0.27–2...
A high sensitive bending sensor based on eccentric core fiber (ECF) Mach–Zehnder modal interferometer (MZI) with direction recognition ability is proposed and demonstrated. The MZI-based bending sensor is fabricated by fusion splicing a piece of ECF in between two standard single mode fibers with a small lateral core-offset. Due to the eccentric location of the core of the ECF, a bend applied on the...
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