Advanced Impact and Vibration Insulation Based on High Pressure Technology

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  • BEK Marko
    Center for Experimental Mechanics, Faculty of Mechanical Engineering, University of Ljubljana,
  • AULOVA Alexandra
    Center for Experimental Mechanics, Faculty of Mechanical Engineering, University of Ljubljana,
  • OSELI Alen
    Center for Experimental Mechanics, Faculty of Mechanical Engineering, University of Ljubljana,
  • BERNSTORFF Bernd von
    Karlsruhe Institute of Technology, Faculty of Mechanical Engineering,
  • EMRI Igor
    Center for Experimental Mechanics, Faculty of Mechanical Engineering, University of Ljubljana,

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<p>The article reviews the know-why and the know-how of an invention based on the patented dissipative granular high-pressure technology. It was found that by proper selection of damping material and hydrostatic pressure to which material is exposed during the loading, one can match material maximum damping properties with the frequency or rate of the applied loading. In this way one, can fully utilize damping characteristics of the selected material and maximize the energy absorption properties of a damper. Using this unique potential of the dissipative granular high-pressure technology, one can build ultimate damping elements that surpass the existing damping elements for sever orders of magnitude. Applications of such damping elements include for instance supports for industrial machines to damp vibrations, fundamentals in building constructions to reduce susceptibility to earthquake damage and resonance, as well as trains and railway tracks to reduce vibration during travel, and to improve passive car safety in road transportation. This article reviews phenomenological description of the time-dependent response of polymeric material when excited by impact- or vibrational loading needed in development of the new generation impact- and vibration isolation.</p>

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