Modeling of Acoustic Coupling of Ultrasonic Probes for High-Speed Rail Track Inspection

• Autorzy: Mackiewicz Sławomir , Ranachowski Zbigniew , Katz Tomasz , Dębowski Tomasz , Starzyński Grzegorz , Ranachowski Przemysław

Identyfikatory

DOI

10.24425/aoa.2024.148787

• Języki publikacji: EN

Abstrakty

EN

The paper presents the modeling of transmission of the ultrasonic plane wave through an uniform liquid layer. The considered sources of the ultrasonic wave were normal (straight) beam longitudinal wave probes and angle beam sheer waves probes commonly used in non-destructive testing. Coupling losses (CL) introduced by the presence of the coupling layer are discussed and determined applying the numerical procedure. The modeling applies to both monochromatic waves and short ultrasonic pulses with a specified frequency bandwidth. Model implementation and validation was performed using a specialized software. The predictions of the model were confirmed by coupling losses measurements for a normal beam longitudinal wave probe with a delay line made of polymethyl methacrylate (PMMA). The developed model can be useful in designing ultrasonic probes for high-speed rail track inspections, especially for establishing the optimal thickness of the water coupling layer and estimation of coupling losses, due to inevitable changes of the water gap during mobile rail inspection.

Słowa kluczowe

EN

non-destructive testing; ultrasonic examination; plane wave propagation

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 2024
• Tom: Vol. 49, nr 2
• Strony: 255--266
• Opis fizyczny: Bibliogr. 17 poz., fot., tab., wykr.

Twórcy

autor

Mackiewicz Sławomir

• Institute of Fundamental Technological Research Polish Academy of Sciences Warsaw, Poland

autor

Ranachowski Zbigniew

• Institute of Fundamental Technological Research Polish Academy of Sciences Warsaw, Poland

autor

Katz Tomasz

• Institute of Fundamental Technological Research Polish Academy of Sciences Warsaw, Poland

autor

Dębowski Tomasz

• Institute of Fundamental Technological Research Polish Academy of Sciences Warsaw, Poland

autor

Starzyński Grzegorz

• Institute of Fundamental Technological Research Polish Academy of Sciences Warsaw, Poland

autor

Ranachowski Przemysław

• Institute of Fundamental Technological Research Polish Academy of Sciences Warsaw, Poland

Bibliografia

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