@inproceedings{5c8748427dc8438b8360b778c5ea9e86,
title = "Sonic boom post processing to include atmospheric turbulence effects",
abstract = "The Nonlinear Progressive wave Equation (NPE) is modified to include a turbulence representation based upon temperature fluctuations. The turbulence is composed of the sum of 600 Fourier modes based on a modified von K{\'a}rm{\'a}n spectrum with an outer length scale of 100 m and an inner length scale of .001 m. Variations in temperature induce variations in the local speed of sound. The NPE propagates for several seconds with a propagation time step of 1e-5 s. The resultant 2D waveform is then used to generate filter functions which approximate the effects of propagation through the turbulence. The filter functions can then be used to represent turbulent propagation by convolving the filter with any waveform, assuming it has sufficient high frequency content.",
author = "Locey, {Lance L.} and Sparrow, {Victor W.} and Piacsek, {Andrew A.}",
year = "2008",
language = "English (US)",
isbn = "9781563479397",
series = "14th AIAA/CEAS Aeroacoustics Conference (29th AIAA Aeroacoustics Conference)",
booktitle = "14th AIAA/CEAS Aeroacoustics Conference (29th AIAA Aeroacoustics Conference)",
note = "14th AIAA/CEAS Aeroacoustics Conference (29th AIAA Aeroacoustics Conference) ; Conference date: 05-05-2008 Through 07-05-2008",
}