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DYNAMICAL SYSTEM PARAMETER IDENTIFICATION FOR TURBOMACHINE
DYNAMICAL SYSTEM PARAMETER IDENTIFICATION FOR TURBOMACHINE
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机译:涡轮机动力学系统参数辨识
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摘要
An aeromechanical identification system for turbomachine includes at least one actuator mounted on a stationary structure to excite rotatable airfoils. At least one sensor is mounted proximate the airfoils for measuring a response of the airfoils responsive to excitation from the at least one actuator. A controller is configured to determine a damping characteristic of an aeromechanical mode of the rotating airfoils based on the excitation and the response. A gas turbine engine and a method of determining a flutter boundary for an airfoil of a turbomachine are also disclosed.
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