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Ignition conditions for magnetized target fusion in cylindrical geometry

M.M. Basko, A.J. Kemp, J. Meyer-ter-Vehn2000年被引用 104Nuclear FusionIF 3出版社

Ignition conditions in axially magnetized cylindrical targetsare investigated by examining the thermal balance of assembled DT fuelconfigurations at stagnation. Special care is taken to adequatelyevaluate the energy fraction of 3.5 MeV alpha particles deposited inmagnetized DT cylinders. A detailed analysis of the ignitionboundaries in the ρR,T parametric plane is presented. It is shownthat the fuel magnetization allows a significant reduction of the ρRignition threshold only when the condition BR ≳ 6 × 105G cm is fulfilled (B is the magnetic field strength and R is the fuel radius).

日本語訳

軸方向に磁化された円筒ターゲットにおける点火条件を、スタグネーション時の集合DT燃料構成の熱バランスを調べることによって検討する。磁化されたDT円筒内に堆積する3.5 MeVアルファ粒子のエネルギー割合を適切に評価することに特に注意を払う。ρR-Tパラメータ平面における点火境界の詳細な解析を示す。燃料の磁化によりρR点火閾値の大幅な低減が可能となるのは、条件BR ≳ 6 × 10⁵ G·cmが満たされる場合のみであることが示される(ここでBは磁場強度、Rは燃料半径である)。

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