An acoustic treatment panel including acoustic absorption cells each comprising a bottom wall, a porous inlet wall, an enclosure extending in an axial direction between the bottom wall and the inlet wall, and a first acoustic horn extending inside the enclosure between a first opening and a second opening that is smaller than said first opening, the first opening facing said inlet wall. Each cell comprises a second horn extending inside the enclosure in the first axial direction between a first opening of the second horn and a second opening of the second horn that is smaller than said first opening.
PANNEAU DE TRAITEMENT ACOUSTIQUE À ENCOMBREMENT RÉDUIT POUR TURBORÉACTEUR
REDUCED BULK ACOUSTIC TREATMENT PANEL FOR A TURBOJET ENGINE
SCHALLBEHANDLUNGSPLATTE MIT REDUZIERTER VOLUMENLEISTUNG FÜR EIN TURBOSTRAHLTRIEBWERK
2023-10-25
Patent
Elektronische Ressource
Französisch
IPC: | G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / E04B Allgemeine Baukonstruktionen , GENERAL BUILDING CONSTRUCTIONS / F02C Gasturbinenanlagen , GAS-TURBINE PLANTS / F02K JET-PROPULSION PLANTS , Strahltriebwerke |
Panneau de traitement acoustique à encombrement réduit pour turboréacteur
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