An aft engine pylon fairing including a framework including lateral panels, transverse reinforcing ribs, and a heat shield linked to the framework. The heat shield has a multilayer structure comprising an insulating core configured both to constitute a thermal barrier and to damp acoustic waves, an outer skin configured to guide an aerodynamic flow and contribute to the acoustic damping, and an inner skin configured to ensure the mechanical strength of the shield. The shield multilayer structure allows the aft engine pylon fairing to contribute to the attenuation of the noise nuisances of the engine, and, also, to improve the thermal insulation conferred by the shield by allowing the use, for the insulating core of the shield, of materials having a better thermal resistance but a low mechanical rigidity, the mechanical strength being essentially ensured by the inner skin of the multilayer structure.
CARÉNAGE ARRIÈRE DE MÂT DE MOTEUR D'AÉRONEF À BOUCLIER THERMIQUE MULTICOUCHE
REAR FAIRING FOR AN AIRCRAFT ENGINE STRUT WITH A MULTI-LAYER HEAT SHIELD
RÜCKWÄRTIGE VERKLEIDUNG EINER MOTORSÄULE EINES LUFTFAHRZEUGS MIT MEHRSCHICHTIGEM WÄRMESCHUTZSCHILD
2022-02-16
Patent
Electronic Resource
French
Carénage arrière de mât de moteur d’aéronef à bouclier thermique multicouche.
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