Vertical distribution of road traffic noise

• Autorzy: Makarewicz R. , Gołębiewski R.
• Języki publikacji: EN

Abstrakty

EN

Road noise generated by freely flowing traffic is assessed by the time-average sound level, L AT. The noise interaction with the ground surface is the only wave phenomenon that modifies geometrical spreading. A simplified model of the ground effect is applied. The model is founded on the Weyl-Van der Pol solution. Prediction of the time-average sound level, at a perpendicular distance less than 100m and an altitude not exceeding a few tens of meters, requires two simultaneous measurements of L AT at the site of interest.

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 1998
• Tom: Vol. 23, no. 4
• Strony: 481--490
• Opis fizyczny: Bibliogr. 9 poz., wykr.

Twórcy

autor

Makarewicz R.

• Department of Acoustic Design, Kyushu Institute of Design, Minami-ku Fukuoka, Japan

autor

Gołębiewski R.

• Institu te of Acoustics A. Mickiewicz University, Poznań, Poland

Bibliografia

• [1] K. Attenborough. Review of ground effects on outdoor sound propagation from continuous broad¬band noise, Appl. Acoust., 24, 289-319 (1988).
• [2] W. Bowlby, Highway noise prediction and control, [in:] Acoustical Measurements and Control, C.M. Harris [Ed.], McGraw-Hill, New York 1991.
• [3] S. Brandt, Statistical and computational methods in data analysis, North-Holland, Amsterdam 1976.
• [4] T.F .W . Embleton, Tutorial on sound propagation outdoors, J. Acoust. Soc. Am., 100, 31-48 (1996).
• [5] B. Favre, Factors affecting traffic noise and methods of prediction, [in:] Transportation Reference Book, P.M. Nelson [Ed.], Butterworths, London 1987.
• [6] K.M. Li, K. Attenborough and N.W. Heap, Source height determination by ground effect inversion in the presence of a velocity gradient, J. Sound Vibr., 145, 111-128 (1991).
• [7] R. Makarewicz, Near grazing propagation above a soft ground, J. Acoust. Soc. Am., 82, 1706-1710 (1987) and 88. 1172-1175 (1990).
• [8] R. Makarewicz and P. Kokowski, Simplified model of ground effect, J. Acoust. Soc. Am., 101, 372-376 (1997).
• [9] K. Takagi and K. Yamamoto, Calculation methods for road traffic noise propagation proposed by ASJ, Inter-Noise 94, 289-294 (1994).