What is it about?
The simplified airport noise tool RANE is updated to version 2. The additions allow for predictions to include fully three dimensional source directivity characterisation in the form of a spherical harmonic expansion. In addition, contours for vertical take-off and landing procedures are implemented.
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This page is a summary of: Closed-Form Analytical Approach for Calculating Noise Contours of Directive Aircraft Noise Sources, AIAA Journal, April 2023, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/1.j062033.
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