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Olazabal-Loumé, M. and Breil, J. and Hallo, L. and Ribeyre, X. and Sanz Recio, Javier (2010). Linear and non-linear amplification of high-mode perturbations at the ablation fronts in HIPER targets.. "Plasma Physics and Controlled Fusion", v. 53 (n. 1); pp. 1-9. ISSN 0741-3335. https://doi.org/10.1088/0741-3335/53/1/015015.
Title: | Linear and non-linear amplification of high-mode perturbations at the ablation fronts in HIPER targets. |
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Author/s: |
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Item Type: | Article |
Título de Revista/Publicación: | Plasma Physics and Controlled Fusion |
Date: | November 2010 |
ISSN: | 0741-3335 |
Volume: | 53 |
Subjects: | |
Faculty: | E.T.S.I. Aeronáuticos (UPM) |
Department: | Física Aplicada a la Ingeniería Aeronáutica [hasta 2014] |
Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
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The linear and non-linear sensitivity of the 180 kJ baseline HiPER target to high-mode perturbations, i.e. surface roughness, is addressed using two-dimensional simulations and a complementary analysis by linear and non-linear ablative Rayleigh–Taylor models. Simulations provide an assessment of an early non-linear stage leading to a significant deformation of the ablation surface for modes of maximum linear growth factor. A design using a picket prepulse evidences an improvement in the target stability inducing a delay of the non-linear behavior. Perturbation evolution and shape, evidenced by simulations of the non-linear stage, are analyzed with existing self-consistent non-linear theory.
Item ID: | 7656 |
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DC Identifier: | https://oa.upm.es/7656/ |
OAI Identifier: | oai:oa.upm.es:7656 |
DOI: | 10.1088/0741-3335/53/1/015015 |
Official URL: | http://iopscience.iop.org/0741-3335/53/1/015015 |
Deposited by: | Memoria Investigacion |
Deposited on: | 01 Jul 2011 15:13 |
Last Modified: | 20 Apr 2016 16:44 |