The sinking depth of a projectile in granular media under gravity | Zendy

Zhang Quan-Yi | Zendy; Wu Yao-Yu | Zendy; Peng Zheng | Zendy; Rui Liu | Zendy; Lu Kun-Quan | Zendy; Meiying Hou | Zendy

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The sinking depth of a projectile in granular media under gravity

Author(s) -

Zhang Quan-Yi,

Wu Yao-Yu,

Peng Zheng,

Rui Liu,

Lu Kun-Quan,

Meiying Hou

Publication year - 2006

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.55.6203

Subject(s) - projectile , penetration (warfare) , drag , penetration depth , mechanics , physics , range of a projectile , acceleration , classical mechanics , optics , operations research , quantum mechanics , engineering

The process of impact and penetration of a projectile with velocity u0 in a fine, loose granular system under acceleration due to gravity has been recorded experimentally by using fast video photography. The measured penetration depth as a function of the projectile mass agrees with the prediction of our previous drag force model in that at low impact velocity the penetration depth is linearly proportional to the mass of the projectile.

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