Laser Simulations of the Destructive Impact of Nuclear Explosions on Hazardous Asteroids

E. Yu. Aristova; A. A. Aushev; V. K. Baranov; I. A. Belov; S. A. Bel’kov; A. Yu. Voronin; I. N. Voronich; R. V. Garanin; S. G. Garanin; K. G. Gainullin; A. G. Golubinskii; A. V. Gorodnichev; V. A. Denisova; V. N. Derkach; V. S. Drozhzhin; I. A. Ericheva; N. V. Zhidkov; R. I. Il’kaev; A. A. Krayukhin; A. G. Leonov; D. N. Litvin; K. N. Makarov; A. S. Martynenko; V. I. Malinov; V. V. Mis’ko; V. G. Rogachev; A. N. Rukavishnikov; E. A. Salatov; Yu. V. Skorochkin; G. Yu. Smorchkov; A. L. Stadnik; V. A. Starodubtsev; P. V. Starodubtsev; R. R. Sungatullin; N. A. Suslov; T. I. Sysoeva; V. Yu. Khatunkin; E. S. Tsoi; O. N. Shubin; V. N. Yufa

doi:10.1134/S1063776118010132

Laser Simulations of the Destructive Impact of Nuclear Explosions on Hazardous Asteroids

作者: Aristova E.Y.¹, Aushev A.A.¹, Baranov V.K.¹, Belov I.A.¹, Bel’kov S.A.¹, Voronin A.Y.¹, Voronich I.N.¹, Garanin R.V.¹, Garanin S.G.¹, Gainullin K.G.¹, Golubinskii A.G.¹, Gorodnichev A.V.¹, Denisova V.A.¹, Derkach V.N.¹, Drozhzhin V.S.¹, Ericheva I.A.¹, Zhidkov N.V.¹, Il’kaev R.I.¹, Krayukhin A.A.¹, Leonov A.G.², Litvin D.N.¹, Makarov K.N.², Martynenko A.S.¹, Malinov V.I.¹, Mis’ko V.V.¹, Rogachev V.G.¹, Rukavishnikov A.N.¹, Salatov E.A.¹, Skorochkin Y.V.¹, Smorchkov G.Y.¹, Stadnik A.L.¹, Starodubtsev V.A.¹, Starodubtsev P.V.¹, Sungatullin R.R.¹, Suslov N.A.¹, Sysoeva T.I.¹, Khatunkin V.Y.¹, Tsoi E.S.¹, Shubin O.N.³, Yufa V.N.²
隶属关系:
1. Russian Federal Nuclear Center—VNIIEF
2. Federal State Autonomous Higher Education Institution “Moscow Institute of Physics and Technology,”
3. State Atomic Energy Corporation “Rosatom,”
期: 卷 126, 编号 1 (2018)
页面: 132-145
栏目: Statistical, Nonlinear, and Soft Matter Physics
URL: https://journals.rcsi.science/1063-7761/article/view/192748
DOI: https://doi.org/10.1134/S1063776118010132
ID: 192748

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We present the results of preliminary experiments at laser facilities in which the processes of the undeniable destruction of stony asteroids (chondrites) in space by nuclear explosions on the asteroid surface are simulated based on the principle of physical similarity. We present the results of comparative gasdynamic computations of a model nuclear explosion on the surface of a large asteroid and computations of the impact of a laser pulse on a miniature asteroid simulator confirming the similarity of the key processes in the fullscale and model cases. The technology of fabricating miniature mockups with mechanical properties close to those of stony asteroids is described. For mini-mockups 4–10 mm in size differing by the shape and impact conditions, we have made an experimental estimate of the energy threshold for the undeniable destruction of a mockup and investigated the parameters of its fragmentation at a laser energy up to 500 J. The results obtained confirm the possibility of an experimental determination of the criteria for the destruction of asteroids of various types by a nuclear explosion in laser experiments. We show that the undeniable destruction of a large asteroid is possible at attainable nuclear explosion energies on its surface.

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Laser Simulations of the Destructive Impact of Nuclear Explosions on Hazardous Asteroids

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