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Modeling of an oscillatory freely-rotating cutting brush for street sweeping

(2011) DYNA-COLOMBIA. 78(170). p.204-213
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Abstract
A dynamic model of a novel oscillatory cutting brush for street sweeping in free rotation is developed. The bristles are modelled as cantilever beams. The equation of motion is determined through the theory of forced transverse vibrations of beams, and the solution is based on the normal-mode method. A sinusoidal angular speed function and a novel function, named VAP, are studied. The model is validated through finite element analyses. The effects of brush parameters on brush dynamics are identified. Notably, for the VAP function, a condition similar to resonance tends to occur in the stronger plane for bending deflections, when the frequency of the brush is an odd fraction of a natural frequency of the bristle for that plane. The model can also be applied to study the dynamics of a small-deflection cantilever beam, when the transverse external force is a squared, sinusoidal, triangle, or VAP wave.
Keywords
Gutter brush, DYNAMICS, small deflection, transverse vibrations, resonance

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Citation

Please use this url to cite or link to this publication:

Chicago
Vanegas-Useche, Libardo V, Magd Abdel Wahab, and Graham A Parker. 2011. “Modeling of an Oscillatory Freely-rotating Cutting Brush for Street Sweeping.” Dyna-colombia 78 (170): 204–213.
APA
Vanegas-Useche, L. V., Abdel Wahab, M., & Parker, G. A. (2011). Modeling of an oscillatory freely-rotating cutting brush for street sweeping. DYNA-COLOMBIA, 78(170), 204–213.
Vancouver
1.
Vanegas-Useche LV, Abdel Wahab M, Parker GA. Modeling of an oscillatory freely-rotating cutting brush for street sweeping. DYNA-COLOMBIA. 2011;78(170):204–13.
MLA
Vanegas-Useche, Libardo V, Magd Abdel Wahab, and Graham A Parker. “Modeling of an Oscillatory Freely-rotating Cutting Brush for Street Sweeping.” DYNA-COLOMBIA 78.170 (2011): 204–213. Print.
@article{1974110,
  abstract     = {A dynamic model of a novel oscillatory cutting brush for street sweeping in free rotation is developed. The bristles are modelled as cantilever beams. The equation of motion is determined through the theory of forced transverse vibrations of beams, and the solution is based on the normal-mode method. A sinusoidal angular speed function and a novel function, named VAP, are studied. The model is validated through finite element analyses. The effects of brush parameters on brush dynamics are identified. Notably, for the VAP function, a condition similar to resonance tends to occur in the stronger plane for bending deflections, when the frequency of the brush is an odd fraction of a natural frequency of the bristle for that plane. The model can also be applied to study the dynamics of a small-deflection cantilever beam, when the transverse external force is a squared, sinusoidal, triangle, or VAP wave.},
  author       = {Vanegas-Useche, Libardo V and Abdel Wahab, Magd and Parker, Graham A},
  issn         = {0012-7353},
  journal      = {DYNA-COLOMBIA},
  keyword      = {Gutter brush,DYNAMICS,small deflection,transverse vibrations,resonance},
  language     = {eng},
  number       = {170},
  pages        = {204--213},
  title        = {Modeling of an oscillatory freely-rotating cutting brush for street sweeping},
  volume       = {78},
  year         = {2011},
}

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