Summary
This paper presents an acoustic-based quench detection technique for high-temperature superconductor (REBCO) tape, employing shear-horizontal waves and chirplet transform analysis to improve spatial resolution of quench localisation. Acoustic signals collected via piezoelectric transducers mounted on the tape enabled heating points to be detected and localised with sub-1% spatial resolution. The method is proposed as a potential improvement for quench detection in accelerator and fusion power applications.
UK applicability
This work is not directly applicable to UK farming systems, soils, or food production. The paper addresses materials science and superconductor engineering for high-energy physics and power generation applications, which sits outside the Pulse Brain's core scope.
Key measures
Spatial resolution of quench localisation (achieved <1%), time-frequency cross-correlation values, baseline subtraction analysis of acoustic signals
Outcomes reported
The study demonstrated detection and localisation of heating points in REBCO superconductor tape using acoustic reflectometry with spatial resolution better than 1%. The proposed acoustic-based technique using shear-horizontal waves and chirplet transform was validated on piezoelectric transducers mounted on high-temperature superconductor tape.
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