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An emission surface approach for noise propagation from high speed sources

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dc.contributor.author Vendemini, L.
dc.contributor.author Vigevano, L.
dc.date.accessioned 2020-11-19T15:40:52Z
dc.date.available 2020-11-19T15:40:52Z
dc.date.issued 2017
dc.identifier.other 660_ERF2017
dc.identifier.uri http://hdl.handle.net/20.500.11881/3873
dc.description.abstract The computer graphics algorithm of the marching cubes is adopted to compute the emission surface corresponding to a permeable Ffowcs Williams-Hawkings surface moving at arbitrary speeds. The algorithm is capable to successfully reconstruct the multiple disjoint surfaces generated by a transonic or supersonic motion of the source. A preliminary validation of the method, carried out for a two-blade rotor with simplified aerodynamic models, has given encouraging results.
dc.language.iso en
dc.title An emission surface approach for noise propagation from high speed sources


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