Estimation of Cavities beneath Plate Structures Using a Microphone: Laboratory Model Tests

The objective of this study is to detect a cavity and estimate its size using sound waves in a laboratory model chamber filled with dry sand. One side of the chamber is covered with an acrylic plate, and a cavity is placed between the plate and sand. Sound waves are generated by impacting the plate...

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Bibliographic Details
Main Authors: Seonghun Kang, Jung-Doung Yu, Won-Taek Hong, Jong-Sub Lee
Format: Article
Language:English
Published: MDPI AG 2021-04-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/21/9/2941