Articles | Volume 12, issue 2
Mech. Sci., 12, 1051–1060, 2021
https://doi.org/10.5194/ms-12-1051-2021
Mech. Sci., 12, 1051–1060, 2021
https://doi.org/10.5194/ms-12-1051-2021
Research article
24 Nov 2021
Research article | 24 Nov 2021

Characteristics of the Received Signal of an Ultrasonic Sensor Installed in a Chamber with Micro-Leakage

Wonjun Seo et al.

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Short summary
This study is focused on analyzing signal changes according to internal flow and temperature change by generating micro-leakage, unlike previous studies that experimented with no flow inside a chamber. In addition, a new application method utilizing a phase shift by post-processing the ultrasonic reception signal was proposed. By using the ultrasonic sensor, a different method was proposed for the measurement of micro-leakage of gaseous fuel that relied on the existing pressure sensor.