Scattering of sonic booms by anisotropic turbulence in the atmosphere

Mark C. Kelly, Richard Raspet, Henry E. Bass

Research output: Contribution to journalJournal articleResearchpeer-review


An earlier paper @J. Acoust. Soc. Am. 98, 3412–3417 ~1995!# reported on the comparison of rise times and overpressures of sonic booms calculated with a scattering center model of turbulence to measurements of sonic boom propagation through a well-characterized turbulent layer under moderately turbulent conditions. This detailed simulation used spherically symmetric scatterers to calculate the percentage of occurrence histograms of received overpressures and rise times. In this paper the calculation is extended to include distorted ellipsoidal turbules as scatterers and more accurately incorporates the meteorological data into a determination of the number of scatterers per unit volume. The scattering center calculation overpredicts the shifts in rise times for weak turbulence, and still underpredicts the shift under more turbulent conditions. This indicates that a single-scatter center-based model cannot completely describe sonic boom propagation through atmospheric turbulence. © 2000 Acoustical Society of America.
Original languageEnglish
JournalAcoustical Society of America. Journal
Issue number6
Pages (from-to)3059-3064
Publication statusPublished - 2000
Externally publishedYes


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