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• Autorzy: Rdzanek W. J. , Engel Z. , Rdzanek W. P.

Warianty tytułu

EN

The sound power of a simple-supported circular plate for low frequencies

• Konferencja: 17 th Symposium on Hydroacoustics (23-26.05.2000; Jurata; Polska)
• Języki publikacji: PL

Abstrakty

EN

A computation method and the resultant formulas for the active sound power of axisymmetric free vibrations of a circular plate simply supported by a planar rigid baffle have been presented in the paper. Processes sinusoidally varying in time have been considered. It has been assumed that there are no reflexive influences of the air column over the plate and the baffle on the plate's vibrations. The integral formula for the active sound radiation in the Hankel's representation of null order has been transformed to a formula in an elementary form. This elementary formula contains the Bessel's and the Struve's functions of null and first orders and is valid for a relatively wide range of low frequencies.

• Wydawca: Polskie Towarzystwo Akustyczne. Oddział Gdański
• Czasopismo: Hydroacoustics
• Rocznik: 2000
• Tom: Vol. 3
• Strony: 225--230
• Opis fizyczny: Bibliogr. 17 poz., rys., tab.

Twórcy

autor

Rdzanek W. J.

• Pedagogical Univ., Dep. of Acoust., 35-310 Rzeszów, ul.Rejtana 16a, Poland

autor

Engel Z.

• Univ. of Mining and Metallurgy, Dep. of Mech. and Vibroacoust., 30-059 Kraków Al. Mickiewicza 30, Poland

autor

Rdzanek W. P.

• Pedagogical Univ., Dep. of Acoust., 35-310 Rzeszów, ul.Rejtana 16a, Poland

Bibliografia

• [1] S. Czarnecki, Z. Engel and R. Panuszka, Estimation of equivalent surfoce area for determination of the acoustic power of a circular plate, Inter-Noise 79, vol. 1, 1979, pp. 67-70.
• [2] S. Czarnecki, Z. Engel and R. Panuszka, Sound power and reduction efficiency of a circular plate, Arch. of Acoustics 16 (1981), no. 4, 339--357.
• [3] Z. Engel and L. Stryczniewicz, Determination of sound power radiated by vibrating plate, Mechanika. - quarterly at AGH 7 (1988), no. 1-2, 5-19, in polish.
• [4] M.-r. Lee and R. Singh, Analytical formulations for annular disk sound radiation using structural modes, J. of the Acoust. Soc. of America95 (1994), no. 6, 3311-3323.
• [5] A.W. Leissa, Vibration of plates; NASA, vol. SP-160, Washington, D.C.: U.S. Government Printing Office, 1969.
• [6] H. Levine and F.G. Leppington, A note on the acoustic power omput of a circular plate, J. of Sound and Vibr. 121 (1988), no. 2, 269--275.
• [7] N.W. McLachlan, Funkcje Bessela dla inżynierów, PWN, Warszawa 1964.
• [8] P.M. Morse, Vibration and 80und, The Acoust. Society of America, Through The American Inst. of Physics, USA 1995.
• [9] W.J. Rdzanek, The sound power of a circular plate for high-frequency wave radiation, Arch. of Acoustics 3 (1983), no. 4,331-340.
• [10] W.J. Rdzanek, Acoustical impedance of a circular membrane vibrating under the influence of a force with a uniform surface distribution, Arch. of Acoustics 11 (1986), no. 1,39--52.
• [11] W.J. Rdzanek, Mutual impedance of circular plate for axially-symmetric free vibrations at high frequency of radiating waves, Arch. of Acoustics 17 (1992), no. 3, 439-448, Paper prepared within the grant CPBP 02.03.
• [12] W.P. Rdzanek, Jr, Z. Engel and W.J. Rdzanek, The acoustic power radiated by a circular plate hanged artiwculately, Collected Papers from the Joint Meeting "Berlin 99", Forum Acusticum, March 14-19, 1999.
• [13] W.P. Rdzanek, Jr, Z. Engel and W.J. Rdzanek, Theoretical analysis of sound radiation by supported annular plates, XLVI OSA, Crakow-Zakopane, 1999, this work has been realized within the framework of KBN profect no. 7T07B 018 12, in polish, pp. 509-514.
• [14] W.P. Rdzanek, Jr, Z. EngeI and W.J. Rdzanek, Asymptotic formulas for the acousiic power output of a simply supported, circular plate, to be published in Acustica/ Acta Acustica, this work has been realized within the framework of KBN profect no. 7T07B 018 12.
• [15] W.P. Rdzanek, Jr and Z. Engel, The acoustical power radiated by a planar annular plate for the form of vibrations (O,n), Collected Papers from the Joint Meeting "Berlin 99" , Forum Acusticum, March 14-19, 1999.
• [16] W.P. Rdzanek, Jr and Z. EngeI, Asymptotic formulas for the acoustic poweer output of a clamped annular plate, to be published in Applied Acoustics, this work has been realized within the framework of KBN profect no. 7TO7B 018 12. [
• [17] W.P. Rdzanek, Jr, Sound radiation by vibrating planar annular plate, Ph.D. thesis, AGH in Crakow, 1999, this work has been realized within the framework of KBN profect no. 7T07B 021 17, in polish.