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Application of SPATE (Stress Pattern Analysis by Thermal Emission) to High Frequency Vibration Measurement of AERO Engine Components

机译:spaTE(热辐射应力模式分析)在aERO发动机零件高频振动测量中的应用

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摘要

The application of a full field vibration stress measurement technique over the range 30 Hz to 5 kHz on blades and high energy components is described. The measurements were made to: validate a finite element model; measure the effect of local modifications; and solve development incidents. The relative successes of measuring at different frequencies are discussed. Full field stress measurements using Stress Pattern Analysis by Thermal Emission in the vibration investigation and its relation to other measurement techniques are summarized.

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