Low-Frequency Noise Attenuation in a Closed Space Using Adaptive Directivity Control Sources of a Quadrupole Type

• Autorzy: Giouvanakis Marios , Sevastiadis Christos , Papanikolaou George

Identyfikatory

DOI

10.24425/aoa.2019.126353

• Języki publikacji: EN

Abstrakty

EN

A novel method of active noise control using adaptive radiation sound sources is investigated. A finite element model of a modal enclosed sound field is excited harmonically, representing a noise field in the low-frequency range. The control sources are comprised of elementary dipole sources for which the driving signals are adjusted by an optimization method. Two set-up cases of the proposed compound sources are investigated. The coupling of the control sources with the modal sound field is discussed. The simulated performance of the proposed method is compared with that of a system with distributed simple sources and the results show the effectiveness of the sources with adaptive radiation for active noise control in small enclosures.

Słowa kluczowe

EN

modal field; noise control; adaptive radiation sources

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 2019
• Tom: Vol. 44, No. 1
• Strony: 71--78
• Opis fizyczny: Bibliogr. 32 poz., rys., tab., wykr.

Twórcy

autor

Giouvanakis Marios

• Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, University Campus 54124 Thessaloniki, Greece

autor

Sevastiadis Christos

• Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, University Campus 54124 Thessaloniki, Greece

autor

Papanikolaou George

• Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, University Campus 54124 Thessaloniki, Greece

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).