A Conceptual Analysis of Long-Duration Steady-State Operation in Fusion Systems Using Passive Thermal Decoupling.

This work presents a conceptual analysis of long-duration steady-state operation in fusion systems, based on the use of passive thermal decoupling through a multilayer structure that acts as a secondary wall for the reactor. The study discusses the role of thermal impedance, peripheral stabilization, and buffering structures in reducing the propagation of disturbances from the fusion core to the rest of the system.