Impulse absorption by horizontal magnetic granular chain | Zendy

Dingxin Leng | Zendy; Xiaojie Wang | Zendy; Guijie Liu | Zendy; Lingyu Sun | Zendy

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Impulse absorption by horizontal magnetic granular chain

Author(s) -

Dingxin Leng,

Xiaojie Wang,

Guijie Liu,

Lingyu Sun

Publication year - 2016

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4942972

Subject(s) - impulse (physics) , shock absorber , magnetic field , attenuation , shock wave , materials science , absorption (acoustics) , dispersion (optics) , spheres , magnetic energy , mechanics , granular material , shock (circulatory) , physics , optics , magnetization , composite material , classical mechanics , mechanical engineering , engineering , medicine , quantum mechanics , astronomy

The granular medium is known as a protecting material for shock mitigation. We study the impulse absorption of an alignment of magnetic spheres placed horizontally under a non-uniform magnetic field. The phenomenon of the wave dispersion is presented. This system can absorb 85% ∼ 95% (88% ∼ 98%) of the incident peak force (energy) under the applied magnetic field strength in 0.1 T ∼ 1.0 T. The shock attenuation capacities are enhanced by the increment of field strength. With an intelligent control system, it is conceivable that the magnetic granular chain may offer possibilities in developing adaptive shock protectors

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