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Volume 14
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Article

Sonic Crystal Noise Barrier with Resonant Cavities for Train Brake Noise Mitigation

by
David Ramírez-Solana
1,2,*,
Jaime Galiana-Nieves
1,
Rubén Picó
1,
Javier Redondo
1,
Valentino Sangiorgio
3,
Angelo Vito Graziano
4 and
Nicola Parisi
4
1
Instituto de Investigación para la Gestión Integrada de Zonas Costeras, Universitat Politècnica de València, Campus de Gandía. C. Paranimf, 1, 46730 Gandía, Spain
2
Dipartimento di Ingegneria Elettrica e dell’Informazione, Politecnico di Bari, Via Orabona, 4, 70125 Bari, Italy
3
Department of Engineering and Geology (INGEO), D’Annunzio University of Chieti—Pescara, Viale Pindaro, 42, 65127 Pescara, Italy
4
ArCoD Dipartimento Architettura Costruzione e Design, Politecnico di Bari, Via Orabona, 4, 70125 Bari, Italy
*
Author to whom correspondence should be addressed.
Appl. Sci. 2024, 14(7), 2753; https://doi.org/10.3390/app14072753
Submission received: 19 January 2024 / Revised: 22 March 2024 / Accepted: 23 March 2024 / Published: 25 March 2024
(This article belongs to the Special Issue Measurement, Simulation and Design of Sound in Urban Spaces)
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Abstract

In an experimental investigation, the development of sonic crystal noise barriers (SCNBs) is undertaken to address the issue of train brake noise (TBN), focusing on the use of local resonances in scatterers of sonic crystals. Recent research has shown that the inclusion of cavity resonators in the crystal scatterers allows for the modification of their insulating properties. In those works, it has been demonstrated that this interaction can be used to build highly insulating structures. The study proposes an SCNB design that includes a resonant cavity specifically to mitigate TBN and validates this design through experimental measures. The experiments confirm the enhanced sound insulation capabilities of SCNBs, compare them to the conventional noise barriers ones and demonstrate the applicability and effectiveness of the proposed design in real-world scenarios.
Keywords: sonic crystals; local resonances; 3D printed; noise barrier; numerical methods sonic crystals; local resonances; 3D printed; noise barrier; numerical methods

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MDPI and ACS Style

Ramírez-Solana, D.; Galiana-Nieves, J.; Picó, R.; Redondo, J.; Sangiorgio, V.; Graziano, A.V.; Parisi, N. Sonic Crystal Noise Barrier with Resonant Cavities for Train Brake Noise Mitigation. Appl. Sci. 2024, 14, 2753. https://doi.org/10.3390/app14072753

AMA Style

Ramírez-Solana D, Galiana-Nieves J, Picó R, Redondo J, Sangiorgio V, Graziano AV, Parisi N. Sonic Crystal Noise Barrier with Resonant Cavities for Train Brake Noise Mitigation. Applied Sciences. 2024; 14(7):2753. https://doi.org/10.3390/app14072753

Chicago/Turabian Style

Ramírez-Solana, David, Jaime Galiana-Nieves, Rubén Picó, Javier Redondo, Valentino Sangiorgio, Angelo Vito Graziano, and Nicola Parisi. 2024. "Sonic Crystal Noise Barrier with Resonant Cavities for Train Brake Noise Mitigation" Applied Sciences 14, no. 7: 2753. https://doi.org/10.3390/app14072753

APA Style

Ramírez-Solana, D., Galiana-Nieves, J., Picó, R., Redondo, J., Sangiorgio, V., Graziano, A. V., & Parisi, N. (2024). Sonic Crystal Noise Barrier with Resonant Cavities for Train Brake Noise Mitigation. Applied Sciences, 14(7), 2753. https://doi.org/10.3390/app14072753

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