Influence of the shape of the sound-absorbing construction cells on their acoustic efficiency in the linear and nonlinear operation modes

Pisarev, P. V.; Akhunzianova, Karina A.

doi:10.1063/5.0004084

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Experimental Studies Of the Acoustic Characteristics Of The ...1

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2023

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“…They record the acoustic pressure of the falling and reflected waves in time. Then, the recorded pressure is processed using the fast Fourier transform algorithm, which results in computation of the impedance of the SAS sample [13].…”

Section: Experimental Studies Of the Acoustic Characteristics Of The ...mentioning

confidence: 99%

Numerical and Experimental Studies of Acoustic Processes in Model Channels for the Development of Wideband Single-Layer Sound-Absorbing Structures

Pisarev,

Akhunzianova

2023

E3S Web Conf.

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In this paper, the results of numerical and experimental studies of the acoustic efficiency of a group of prismatic resonators of different volumes at an acoustic pressure level of 130 dB were presented. The prototype was developed, and representative samples of fragments of different-height sound-absorbing structures were manufactured by 3D-printing. Laboratory tests of the samples were carried out on the interferometer with normal incidence of sound waves. The acoustic efficiency of the developed sound-absorbing structures was experimentally confirmed. The different-height sound-absorbing structures allow to extend the broadband of the prismatic resonator group.

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Section: Experimental Studies Of the Acoustic Characteristics Of The ...mentioning

confidence: 99%

Numerical and Experimental Studies of Acoustic Processes in Model Channels for the Development of Wideband Single-Layer Sound-Absorbing Structures

Pisarev,

Akhunzianova

2023

E3S Web Conf.

View full text Add to dashboard Cite

show abstract

Influence of the shape of the sound-absorbing construction cells on their acoustic efficiency in the linear and nonlinear operation modes

Cited by 1 publication

References 16 publications

Numerical and Experimental Studies of Acoustic Processes in Model Channels for the Development of Wideband Single-Layer Sound-Absorbing Structures

Numerical and Experimental Studies of Acoustic Processes in Model Channels for the Development of Wideband Single-Layer Sound-Absorbing Structures

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