dawn of turbomachine comprising a source electroacoustique has improved blade mounting guidelines, put out and turbomachine comprising such.

摘要

a turbomachine light (30) includes a source (32) comprising two electroacoustic (46a, 46b) membranes are fixed on a support (50) defining, with the first membrane, a cavity (52).the membranes are arranged in two opposite sides of the first cavity, between the two aerodynamic surfaces (42, 44) of the dawn.a first aerodynamic surface (42) includes a first region (54) arranged according to a first membrane (46), and allowing the passage of sound waves.the membranes and methods of vibration of membranes (48) are configured so that the membrane (46)46 (b) vibrate in opposite phase and in a direction of emission (e) applying the support (50), the respective forces (fa, fb) of the resultant force is substantially zero.the mechanical energy lost in the form of deformation of the membrane. the vibration can be minimized.