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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2017, Volume 105, Issue 6, Pages 381–387
DOI: https://doi.org/10.7868/S0370274X1706011X
(Mi jetpl5226)
 

This article is cited in 6 scientific papers (total in 6 papers)

MISCELLANEOUS

Fast ignition of asymmetrically compressed targets for inertial confinement fusion

S. Yu. Gus'kovab, N. N. Demchenkoa, N. V. Zmitrenkoc, P. A. Kuchugovac, V. B. Rozanova, R. V. Stepanova, R. A. Yakhina

a Lebedev Physical Institute, Russian Academy of Sciences, Moscow, Russia
b National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Moscow, Russia
c Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, Moscow, Russia
Full-text PDF (544 kB) Citations (6)
References:
Abstract: It is shown that fast ignition can ensure the combustion of asymmetrically compressed targets for inertial confinement fusion with an efficiency close to the combustion of one-dimensionally compressed targets. This statement is valid not only for targets specially designed for fast ignition. Fast heating by an external energy source can ensure the ignition of a target designed for spark ignition, but where this ignition does not occur because inhomogeneities are formed in the temperature and density distributions owing to the development of hydrodynamic instabilities. The condition for ignition is the fast heating of the plasma in the combustion initiation region whose size is comparable with the sizes of compression inhomogeneities. Thus, fast ignition not only significantly reduces the ignition energy, but also is possibly a necessary stage in the inertial confinement fusion scheme when the spherically symmetric compression of a target requires very high engineering and financial expenses. The studies are based on the numerical simulation of the compression and combustion of inertial confinement fusion targets with one- and two-dimensional hydrodynamic codes.
Funding agency Grant number
Russian Science Foundation 16-11-10174
Received: 03.02.2017
English version:
Journal of Experimental and Theoretical Physics Letters, 2017, Volume 105, Issue 6, Pages 402–407
DOI: https://doi.org/10.1134/S0021364017060066
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: S. Yu. Gus'kov, N. N. Demchenko, N. V. Zmitrenko, P. A. Kuchugov, V. B. Rozanov, R. V. Stepanov, R. A. Yakhin, “Fast ignition of asymmetrically compressed targets for inertial confinement fusion”, Pis'ma v Zh. Èksper. Teoret. Fiz., 105:6 (2017), 381–387; JETP Letters, 105:6 (2017), 402–407
Citation in format AMSBIB
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  • This publication is cited in the following 6 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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