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Wear in Vibration Dampers

Wear in Vibration Dampers. Bill Beckman. Theory . Turbine blade design with vibration dampers relies on damper contact to reduce frequency amplitudes to acceptable blade vibe levels Where frequency tuning can’t be done to push vibration modes out operation range, dampers are utilized

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Wear in Vibration Dampers

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  1. Wear in Vibration Dampers Bill Beckman

  2. Theory Turbine blade design with vibration dampers relies on damper contact to reduce frequency amplitudes to acceptable blade vibe levels Where frequency tuning can’t be done to push vibration modes out operation range, dampers are utilized High cyclic loading can often result in wear at contact interface

  3. Plan for Project Interface contact between blade and damper results in wear of softer material Increasing wear resistance will retain damping capabilities over the life of the component Would like to investigate wear rates of damper material

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