EPJ Web of Conferences
Volume 59, 2013IFSA 2011 – Seventh International Conference on Inertial Fusion Sciences and Applications
|Number of page(s)||5|
|Section||PHYSICS OF INERTIAL FUSION – II. Conventional Target Physics (Direct and Indirect)|
|Published online||15 November 2013|
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: email@example.com
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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