Towards automated magnetic divertor design for optimal heat exhaust

Abstract : Avoiding excessive structure heat loads in future fusion tokamaks is regarded as one of the greatest design challenges. In this paper, we aim at developing a tool to study how the severe divertor heat loads can be mitigated by reconfiguring the magnetic confinement. For this purpose, a free boundary equilibrium code is integrated with a plasma edge transport code to work in an automated fashion. Next, a practical and efficient adjoint based sensitivity calculation is proposed to evaluate the sensitivities of the integrated code. The sensitivity calculation is finally applied to a realistic test case and compared with finite difference sensitivity calculations.
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Submitted on : Friday, October 28, 2016 - 3:51:45 PM
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Maarten Blommaert, Holger Heumann, Martine Baelmans, Nicolas Gauger, Detlev Reiter. Towards automated magnetic divertor design for optimal heat exhaust. ESAIM: Proceedings and Surveys, EDP Sciences, 2016, 53, pp.49-63. ⟨10.1051/proc/201653004⟩. ⟨hal-01389537⟩



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