| Issue |
EPJ Web of Conferences
Volume 59, 2013
IFSA 2011 – Seventh International Conference on Inertial Fusion Sciences and Applications
|
|
|---|---|---|
| Article Number | 02017 | |
| Number of page(s) | 5 | |
| Section | PHYSICS OF INERTIAL FUSION – II. Conventional Target Physics (Direct and Indirect) | |
| DOI | https://doi.org/10.1051/epjconf/20135902017 | |
| Published online | 15 November 2013 | |
https://doi.org/10.1051/epjconf/20135902017
Symmetry issues in Directly Irradiated Targets
1 E.T.S.I. Aeronáuticos, Universidad Politécnica de Madrid, Spain
2 CEA, DAM, DIF, 91297 Arpajon, France
a e-mail: rafael.ramis@upm.es
Published online: 15 November 2013
In direct drive Inertial Confinement Fusion (ICF), the typical laser beam to laser beam angle is around 30°. This fact makes the study of the irradiation symmetry a genuine 3D problem. In this paper we use the three dimensional version of the MULTI hydrocode to assess the symmetry of such ICF implosions. More specifically, we study a shock-ignition proposal for the Laser-Mégajoule facility (LMJ) in which two of the equatorial beam cones are used to implode and precompress a spherical capsule (the “reference” capsule of HiPER project) made of 0.59 mg of pure Deuterium-Tritium mixture. The symmetry of this scheme is analysed and optimized to get a design inside the operating limits of LMJ. The studied configuration has been found essentially axial-symmetric, so that the use of 2D hydrocodes would be appropriate for this specific situation.
© Owned by the authors, published by EDP Sciences, 2013
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