A torsional vibration damper based on a serial viscoelastic coupling of its seismic mass
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The design of dynamic torsional vibration dampers of piston internal combustion engines is generally based on the principle of a dynamic damper with one degree of freedom in which the coupling of the seismic mass of the damper to the basic dynamic system is realized by a two-parameter parallel rheological model. With known realizations of this principle, it is usually difficult to achieve the optimum value of the respective damper parameters determined from the computational models, which is particularly true for optimal damping values. A dynamic torsional damper, based on the series arrangement principle of the elastic and damping element, offers better design options to achieve the optimum parameters of both the elastic and damping elements.
Keywordscrank mechanism, torsional vibrations, rubber torsional damper, serial viscoelastic coupling, damping effect, dynamic computational model, optimization algorithm
Document typePeer reviewed
Document versionFinal PDF
SourceVibroengineering Procedia. 2017, vol. 16, issue 1, p. 56-60.