SYSTEM AND METHOD FOR MEASURING TURBINE BLADE VIBRATORY RESPONSE

摘要

PROBLEM TO BE SOLVED: To provide methods for measuring turbine blade vibratory responses.

SOLUTION: The method includes steps of: mounting an optical probe 114 comprising at least one probe tip optical surface, wherein the at least one probe tip optical surface is substantially parallel within about +15 or about -15° with respect to a trailing edge surface of at least one of the plurality of turbine blades 106; directing light towards a trailing edge surface of at least one of the plurality of turbine blades 106; receiving reflected light from the at least one of the plurality of turbine blades 106; and determining relative position of the at least one of the plurality of blades 106 based at least in part on the reflected light.

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