Acoustic Pressure Radiated by a Circular Membrane Into the Quarter-Space

• Autorzy: Rdzanek W. P. , Szemela K. , Pieczonka D.
• Języki publikacji: EN

Abstrakty

EN

The Neumann boundary value problem for the Helmholtz equation within the quarter-space has been considered in this paper. The Green function has been used to find the acoustic pressure amplitude as the approximation valid within the Fraunhoffer’s zone for some time-harmonic steady state processes. The low fluid loading has been assumed and the acoustic attenuation has been neglected. It has also been assumed that the vibration velocity of the acoustic particles is small as compared with the sound velocity in the gaseous medium.

Słowa kluczowe

EN

acoustic pressure; Fraunhoffer's zone; Green function; circular membrane

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 2011
• Tom: Vol. 36, No. 1
• Strony: 121--139
• Opis fizyczny: Bibliogr. 37 poz., tab., wykr.

Twórcy

autor

Rdzanek W. P.

autor

Szemela K.

autor

Pieczonka D.

• University of Rzeszów Department of Acoustics, Institute of Physics Al. Rejtana 16A, 35-310 Rzeszów, Poland,

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