Active gas turbine (jet) engine noise suppression

Details Active gas turbine (jet) engine noise suppression Active gas turbine (jet) engine noise suppression

G - Physics

10

K

G10K 11/178 (2006.01)

Patent

CA 2147183

A method and system for reducing the acoustic levels of internal and external sound fields (23 and 24) generated by gas turbine en- gines (2) has several actuators to generate sound (50, 84, and 115), several sensors to measure the acoustic levels (49 and 69), and one or more controllers (113). The controllers are adaptive self-learning neural networks (112) that control the actuators to generate sound in order to effect the reduction of the in- ternal and external sound field as measured by the sensors.

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