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Centrifugal vibration absorbers and some applied mechanics history

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To meet emission targets, car engines have become smaller and more highly-powered than they used to be. Lighter engines are more prone to vibration and that has led to the introduction of centrifugal pendulum vibration absorbers to reduce noise and wear. The history and design of these curious devices will be described. Current problems with their use as a component of dual-mass flywheels (a standard part of most modern cars) will be discussed and recent research results described. The talk will include extracts from a video of the late Professor Den Hartog of MIT lecturing on this subject in the 1970s.

This talk is part of the Engineering - Dynamics and Vibration Tea Time Talks series.

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