METHOD FOR REDUCING SOUND OUTPUT AT THE BACK OF A TURBO ENGINE AND TURBO ENGINE IMPROVED BY THIS METHOD

摘要

The invention relates to a method for reducing the noise missions from the rear of a turbo engine, and a turbo engine improved by said method. According to the invention, thee nozzle for the cold flow (9) is modified by a transverse expansion and a lengthening thereof such as to be able to increase the length of the acoustic damping coating (14) supported on the inside of said nozzle.