Instability mitigation system using stator plasma actuators

Details Instability mitigation system using stator plasma actuators Instability mitigation system using stator plasma actuators

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 27/02 (2006.01) F04D 27/00 (2006.01) F04D 29/52 (2006.01)

Patent

CA 2710003

An instability mitigation system 700 is disclosed, comprising a stator stage 31 located axially proximate to a rotor 12a, the stator stage 31 having a row of a plurality of stator vanes 31a arranged around a centerline axis 8, and a mitigation system 300 comprising at least one plasma actuator 82 mounted on the stator vane 31a that facilitates the improvement of the stability of the rotor 12a, and a control system 74 for controlling the operation of the mitigation system. An instability mitigation system further comprising a detection system 500 for detecting an onset of an instability in a rotor 12a and a control system 74 for controlling the detection system and the mitigation system are disclosed.

L'invention concerne un système d'atténuation de l'instabilité 700, comprenant un étage de stator 31 placé axialement à proximité d'un rotor 12a, l'étage de stator 31 comportant une rangée d'une pluralité d'aubes de stator 31a agencées autour d'un axe de ligne centrale 8, et un système d'atténuation 300 comprenant au moins un actionneur plasma 82 placé sur l'aube de stator 31a qui améliore la stabilité du rotor 12a, et un système de commande 74 pour commander le fonctionnement du système d'atténuation. Un système d'atténuation de l'instabilité comprend en outre un système de détection 500 pour détecter un début d'instabilité dans un rotor 12a. L'invention concerne également un système de commande 74 pour commander le système de détection et le système d'atténuation.

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