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Multiple wave radio frequency current driven tokamak reactors in the first stability regime

D.A. Ehst, K. Evans Jr.1987年被引用 15Nuclear FusionIF 3出版社

Using a ray tracing calculation, a number of different waves are simultaneously launched and followed as they generate a steady state tokamak MHD equilibrium via RF current drive. By adjusting the power, it is possible to create equilibria which in these calculations are in the first stability regime. The measure of global current drive efficiency, γ ∼ eR0I/PCD, is computed for a wide range of tokamak plasmas in steady state power balance to obtain a general scaling law which includes a dependence on temperature, Zeff and beta. On the basis of the general expression for γ, a series of reactor designs are created which illustrate the options available for optimizing steady state, first stability regime tokamaks; high temperature (i ⪆ e ≈ 20 keV) and large size (R0 = 7 m) appear desirable for maximum Q.

日本語訳

レイトレーシング計算を用いて、多数の異なる波動を同時に発射し、それらが定常状態のトカマクMHD平衡を生成する際の追跡を行う。出力を調整することにより、これらの計算において第一安定領域にある平衡を作り出すことが可能である。全球的な電流駆動効率の指標γ ∼ eR0I/PCDは、定常状態の動力平衡にある広範囲のトカマクプラズマに対して計算され、温度、Zeff、ベータへの依存性を含む一般的なスケーリング則が得られる。γに関する一般的な式に基づき、一連の炉設計が作成され、定常状態の第一安定領域トカマクを最適化するための選択肢が示される。Qを最大化するには、高温(i ⪆ e ≈ 20 keV)かつ大型(R0 = 7 m)の装置が望ましいと思われる。

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