Distributed acoustic sensing of debris flows in a physical model

Luca Schenato,Pia Rosella Tecca,Andrea M. Deganutti,Hugo F. Martins,Andres Garcia-Ruiz, María del Rosario Fernóndez-Ruiz,Sonia Martin-Lopez,Francesco Zarattini,A. Pol,Fabio Gabrieli,Andrea Galtarossa,Alessandro Pasuto,Miguel Gonzalez-Herraez,Luca Palmieri

optical fiber sensors conference（2021）

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摘要

We used a distributed acoustic sensing (DAS) system to monitor the evolution of debris flows in an inclined flume that was instrumented with approx. 800 m of fiber, wound in 20 coils acting as an array of coherent acoustic sensors. The analysis of the acquired signals confirmed the viability of DAS as a tool for debris flows monitoring.

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关键词

acoustic sensing,debris,flows

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