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Thermal Behavior and Operating Requirements of IFE Direct-Drive Target

A. R. Raffray, R. Petzoldt, J. Pulsifer, M. S. Tillack, X. Wang

Fusion Science and Technology / Volume 44 / Number 1 / July 2003 / Pages 111-116

Technical Paper / Fusion Energy - IFE Chamber Technology /

During injection, inertial fusion energy (IFE) direct drive (DD) targets are subject to heating from energy exchange with the background gas and radiation from the wall. This heat deposition could lead to deuterium-tritium (DT) phase change and target deformation violating the target physics symmetry requirements. This paper assesses the thermal behavior of the target under such conditions and explores possible ways of extending the target lifetime.

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