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On thermonuclear burn propagation in a pre-compressed cylindrical DT target ignited by a heavy ion beam pulse

Published online by Cambridge University Press:  04 November 2013

R. Ramis  and
J. Meyer-Ter-Vehn
R. Ramis*
Affiliation:
E.T.S.I. Aeronáuticos, Universidad Politécnica de Madrid, Spain
J. Meyer-Ter-Vehn
Affiliation:
Max-Planck-Institut für Quantenoptik, Garching, Germany
*
Address correspondence and preprint requests to: R. Ramis, E.T.S.I. Aeronáuticos, P. Cardenal Cisneros 3, 28040 Madrid, Spain. E-mail: rafael.ramis@upm.es
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Abstract

Thermonuclear ignition and burn propagation in pre-compressed cylindrical deuterium-tritium (DT) targets is studied by two-dimensional radiation hydrodynamics simulations using the code MULTI-2D. Special attention is paid to self-sustained steady burn wave propagation. Peak temperatures and burn wave velocity scale with the density-radius product of the fuel, and wave propagation is obtained for (ρR)DT ≥ 0.45 g/cm2. Radiation transport is identified as the dominant mechanism to drive the wave. Details of ignition by a heavy ion beam pulse are also presented. Limitations in the physics basis of the simulations are pointed out. The results are compared with previous publications found in the literature.

Keywords

Heavy-ion inertial fusionRadiation hydrodynamicsThermonuclear burn propagation
Type
Research Article
Information
Laser and Particle Beams , Volume 32 , Issue 1 , March 2014 , pp. 41 - 47
Copyright
Copyright © Cambridge University Press 2013 

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