Autowave friction and nonequilibrium dynamic tribosystem self-regulation

Zaspa, Yu. P.

doi:10.3103/s1068366612050145

Cited by 2 publications

(3 citation statements)

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“…Earlier measurements of the dynamic characteris tics of dry friction in multicomponent tribosystems with rolling and sliding bearings have revealed the same type of bonds as that in the above considered simple example of autowave friction [13]. The fact that systems of coherent structures observed in hydrody namics are also inherent in complex dynamic tribosys tems is beyond question.…”

Section: Some Specific Features Of Coherent Friction Modesmentioning

confidence: 77%

“…This makes it possible to precisely consider the auto wave resonance conditions in movable contacts as fol lows [13][14]:…”

Section: Structural Model Of Autowave Frictionmentioning

confidence: 99%

“…The friction modes under consideration have motion velocity and motion energy thresholds that are similar to the Reynolds transition from laminar to tur bulent internal friction. In [13,14], these modes are treated as autowave modes.…”

Section: Introductionmentioning

confidence: 99%

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Competition of modes and self-modulation instability in dynamics of coherent friction: A review

Zaspa

2013

J. Frict. Wear

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A structural pattern of the autowave transfer of the pulse and energy in dry and boundary friction systems is proposed. The coherence of friction is provided by a nonlinear excitation wave field with a nucleus-shell structure. A matching nucleus is concentrated in the friction contact and the physical volume of the friction counterbodies plays a role of a feedback resonator. The envelope velocity of a wave packet is a key parameter of the matching of movement in the autowave mode. Physical mechanisms and specific exam ples of the competition of modes in dynamic tribosystems that lead to the self modulation instability of these modes are considered. A comparative analysis of the coherent transfer of the pulse and energy in external and internal friction systems is carried out to describe nonstationary modes and turbulence.

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Section: Some Specific Features Of Coherent Friction Modesmentioning

confidence: 77%

“…This makes it possible to precisely consider the auto wave resonance conditions in movable contacts as fol lows [13][14]:…”

Section: Structural Model Of Autowave Frictionmentioning

confidence: 99%