Improved acoustic attenuation device for aircraft propulsion device

A propulsion assembly for an aircraft, comprising a turbine engine (1), an attachment strut (40) and a structural element (10) carrying the turbine engine (1) by means of the attachment strut (40), the turbine engine having at least one rotating part (30) rotating about an axis of rotation (A), the rotating part (30) being arranged upstream of the structural element (10) and the attachment strut (40), the structural element (10) and the attachment strut (40) are arranged such that a jet of air exiting the rotating part (30) impacts the structural part (10) and the attachment strut (40) in its wake, the leading edge of the structural element (10) and/or the attachment strut (40) comprising, in some areas, at least one acoustic attenuation device (50, 60, 70, 80) which is arranged at least partially in the wake of the rotating part (30), the acoustic attenuation means are locally modified parts of the structure and/or profile of the leading edge (11). 一种用于飞机的推进组件，包括涡轮发动机(1)、附接支柱(40)和通过所述附接支柱(40)承载所述涡轮发动机(1)的结构元