Modeling propagation of aviation noise under range-dependent conditions, using a Parabolic Equation method

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A model for sound propagation over uneven terrain, with mixed ground impedance and range-dependent meteorological conditions has been developed to improve prediction of the impact of aviation noise on communities. Based on the Parabolic Equation method, the model is intended to enhance the noise prediction capabilities for the Federal Aviation Administration's Aviation Environmental Design Tool in support of the Next Generation Air Transportation System (NextGen). The model ensures the low frequency content, a factor in community impact, is propagated accurately and can accommodate broadband, moving sound sources, traveling along user-specified paths, over three-dimensional terrain. Two test cases including uneven terrain, an impedance discontinuity, and a downward refracting atmosphere were designed to represent simple but realistic propagation conditions. Model results for a source traveling along a simple flight path under the conditions of the two test cases are presented and compared.

Original languageEnglish (US)
Title of host publication24th National Conference on Noise Control Engineering 2010, Noise-Con 10, Held Jointly with the 159th Meeting of the Acoustical Society of America
Pages1158-1165
Number of pages8
Volume2
StatePublished - 2010
Event24th National Conference on Noise Control Engineering 2010, Noise-Con 2010, Held Jointly with the 159th Meeting of the Acoustical Society of America - Baltimore, MD, United States
Duration: Apr 19 2010Apr 21 2010

Other

Other24th National Conference on Noise Control Engineering 2010, Noise-Con 2010, Held Jointly with the 159th Meeting of the Acoustical Society of America
CountryUnited States
CityBaltimore, MD
Period4/19/104/21/10

Fingerprint

aeronautics
propagation
air transportation
impedance
noise prediction
flight paths
sound propagation
discontinuity
low frequencies
broadband
atmospheres
acoustics
predictions

All Science Journal Classification (ASJC) codes

  • Acoustics and Ultrasonics

Cite this

Rosenbaum, J. E., Atchley, A. A., & Sparrow, V. W. (2010). Modeling propagation of aviation noise under range-dependent conditions, using a Parabolic Equation method. In 24th National Conference on Noise Control Engineering 2010, Noise-Con 10, Held Jointly with the 159th Meeting of the Acoustical Society of America (Vol. 2, pp. 1158-1165)
Rosenbaum, Joyce E. ; Atchley, Anthony A. ; Sparrow, Victor Ward. / Modeling propagation of aviation noise under range-dependent conditions, using a Parabolic Equation method. 24th National Conference on Noise Control Engineering 2010, Noise-Con 10, Held Jointly with the 159th Meeting of the Acoustical Society of America. Vol. 2 2010. pp. 1158-1165
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abstract = "A model for sound propagation over uneven terrain, with mixed ground impedance and range-dependent meteorological conditions has been developed to improve prediction of the impact of aviation noise on communities. Based on the Parabolic Equation method, the model is intended to enhance the noise prediction capabilities for the Federal Aviation Administration's Aviation Environmental Design Tool in support of the Next Generation Air Transportation System (NextGen). The model ensures the low frequency content, a factor in community impact, is propagated accurately and can accommodate broadband, moving sound sources, traveling along user-specified paths, over three-dimensional terrain. Two test cases including uneven terrain, an impedance discontinuity, and a downward refracting atmosphere were designed to represent simple but realistic propagation conditions. Model results for a source traveling along a simple flight path under the conditions of the two test cases are presented and compared.",
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Rosenbaum, JE, Atchley, AA & Sparrow, VW 2010, Modeling propagation of aviation noise under range-dependent conditions, using a Parabolic Equation method. in 24th National Conference on Noise Control Engineering 2010, Noise-Con 10, Held Jointly with the 159th Meeting of the Acoustical Society of America. vol. 2, pp. 1158-1165, 24th National Conference on Noise Control Engineering 2010, Noise-Con 2010, Held Jointly with the 159th Meeting of the Acoustical Society of America, Baltimore, MD, United States, 4/19/10.

Modeling propagation of aviation noise under range-dependent conditions, using a Parabolic Equation method. / Rosenbaum, Joyce E.; Atchley, Anthony A.; Sparrow, Victor Ward.

24th National Conference on Noise Control Engineering 2010, Noise-Con 10, Held Jointly with the 159th Meeting of the Acoustical Society of America. Vol. 2 2010. p. 1158-1165.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Rosenbaum JE, Atchley AA, Sparrow VW. Modeling propagation of aviation noise under range-dependent conditions, using a Parabolic Equation method. In 24th National Conference on Noise Control Engineering 2010, Noise-Con 10, Held Jointly with the 159th Meeting of the Acoustical Society of America. Vol. 2. 2010. p. 1158-1165