Technical Paper Archive

This site contains all papers presented at Rubber Division, ACS Technical Meetings from 2000-2018. Meetings prior to 2000 are incomplete and papers are added as they are digitized.

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Event: 182nd Technical Meeting
Location: Cincinnati, OH
Date: October 09, 2012
Author: Robert W. M. Smith
Paper Number: 79

Price: $20.00

  • Motivated by the application of a metal-rubber laminate bellows structure to replace a component in a thermoacoustic-stirling engine, the static and dynamic properties of such bellows was investigated. In particular, it is found that the transverse resonance frequencies is a function of the differential pressure. However, unlike the case of an ordinary pipe pressurized pipe configured to carry no axial loads, the transverse resonance frequency, at sufficiently high differential pressures, decreases for both internal and external pressure. In service such a bellows experiences both cases, at acoustic frequencies, and this modulation of the resonance frequency can lead to an interesting instability. Aspects of the dispersion curves for such a structure are discussed. In particular, under some load conditions, this kind of structure can have flexural waves that are predicted to exhibit no dispersion, unlike ordinary plates, and to be able to support propagation at more than one phase speed.

    Papers from 182nd Technical Meeting

    Items from 182nd Technical Meeting