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    Influence of Tensioner Dry Friction on the Vibration of Belt Drives With Belt Bending Stiffness

    Source: Journal of Vibration and Acoustics:;2008:;volume( 130 ):;issue: 001::page 11002
    Author:
    Farong Zhu
    ,
    Robert G. Parker
    DOI: 10.1115/1.2775510
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A model of dry friction tensioner in a belt-pulley system considering transverse belt vibration is developed, and the influence of the dry friction on the system dynamics is examined. The discretized formulation is divided into a linear subsystem including linear coordinates and a nonlinear subsystem addressing tensioner arm vibration, which reduces the dimension of the iteration matrices when employing the harmonic balance method. The Coulomb damping at the tensioner arm pivot mitigates the tensioner arm vibration but not necessarily the vibrations of other system components. The extent of the mitigation varies for different excitation frequency ranges. The critical amplitude of the dry friction torque beyond which the system operates with a locked arm is determined analytically. Superharmonic resonances are observed in the responses of the generalized span coordinates, but their amplitudes are small. The energy dissipation at the tensioner arm hub is discussed, and the stick-slip phenomena of the arm are reflected in the velocity reversals near the arm extreme location. Dependence of the span tension fluctuations on Coulomb torque is explored.
    keyword(s): Torque , Vibration , Pulleys , Tension , Dry-friction whip and whirl , Belts , Stiffness , Coulombs AND Energy dissipation ,
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      Influence of Tensioner Dry Friction on the Vibration of Belt Drives With Belt Bending Stiffness

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    http://yetl.yabesh.ir/yetl1/handle/yetl/139635
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    • Journal of Vibration and Acoustics

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    contributor authorFarong Zhu
    contributor authorRobert G. Parker
    date accessioned2017-05-09T00:31:05Z
    date available2017-05-09T00:31:05Z
    date copyrightFebruary, 2008
    date issued2008
    identifier issn1048-9002
    identifier otherJVACEK-28892#011002_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/139635
    description abstractA model of dry friction tensioner in a belt-pulley system considering transverse belt vibration is developed, and the influence of the dry friction on the system dynamics is examined. The discretized formulation is divided into a linear subsystem including linear coordinates and a nonlinear subsystem addressing tensioner arm vibration, which reduces the dimension of the iteration matrices when employing the harmonic balance method. The Coulomb damping at the tensioner arm pivot mitigates the tensioner arm vibration but not necessarily the vibrations of other system components. The extent of the mitigation varies for different excitation frequency ranges. The critical amplitude of the dry friction torque beyond which the system operates with a locked arm is determined analytically. Superharmonic resonances are observed in the responses of the generalized span coordinates, but their amplitudes are small. The energy dissipation at the tensioner arm hub is discussed, and the stick-slip phenomena of the arm are reflected in the velocity reversals near the arm extreme location. Dependence of the span tension fluctuations on Coulomb torque is explored.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleInfluence of Tensioner Dry Friction on the Vibration of Belt Drives With Belt Bending Stiffness
    typeJournal Paper
    journal volume130
    journal issue1
    journal titleJournal of Vibration and Acoustics
    identifier doi10.1115/1.2775510
    journal fristpage11002
    identifier eissn1528-8927
    keywordsTorque
    keywordsVibration
    keywordsPulleys
    keywordsTension
    keywordsDry-friction whip and whirl
    keywordsBelts
    keywordsStiffness
    keywordsCoulombs AND Energy dissipation
    treeJournal of Vibration and Acoustics:;2008:;volume( 130 ):;issue: 001
    contenttypeFulltext
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