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Propagation Effects of Wind and Temperture on Acoustic Ground Contour Levels

Stephanie Heath, Gerry McAninch
2006 44th AIAA Aerospace Sciences Meeting and Exhibit   unpublished

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Propagation characteristics for varying wind and temperature atmospheric conditions are identified using physically-limiting propagation angles to define shadow boundary regions. These angles are graphically illustrated for various wind and temperature cases using a newly developed ray-tracing propagation code. 1 Aeronautical Engineer, Aeroacoustics Branch, MS 461 NASA LaRC, Member AIAA. 2 Sr. Aeronautical Engineer, Structural Acoustics Branch, MS 463 NASA LaRC.
doi:10.2514/6.2006-411 fatcat:n62zxunewzcopktnxczmqbl634
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Stephanie Heath, Gerry McAninch. "Propagation Effects of Wind and Temperture on Acoustic Ground Contour Levels." 44th AIAA Aerospace Sciences Meeting and Exhibit (2006)