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A high gain fusion reactor based on the Magnetically Insulated Inertial Confinement Fusion (MICF) concept

T. Kammash, D.L. Galbraith1989年被引用 27Nuclear FusionIF 3出版社

The Magnetically Insulated Inertial Confinement Fusion system combines many of the favourable aspects of both magnetic and inertial fusion in that physical containment of the hot plasma is provided by a metallic shell, while its energy is insulated from the solid wall by a strong self-generated magnetic field. The reactor potential of such a deuterium-tritium (D-T) burning system is examined by utilizing a quasi-one-dimensional, time dependent set of particle and energy balance equations for the thermal components plus an arbitrary number of fast alpha energy groups. Classical and anomalous diffusion is incorporated for particles and energy crossing the magnetic field that separates the core plasma from the 'halo' region, and the energy gain factor Q is calculated. It is shown that when proper choices are made for the size of the ablating fuel shell and the metallic outer shell, Q values in the hundreds and perhaps thousands are obtainable when reasonable values of initial plasma density, temperature, and radius are assumed. These encouraging results are contingent on certain assumptions concerning refuelling and metallic wall interactions that must await further experimentation and simulation studies for validation.

日本語訳

磁気絶縁慣性核融合システムは、金属シェルによる高温プラズマの物理的封じ込めが提供され、そのエネルギーが強力な自己生成磁場によって固体壁から絶縁されるという点で、磁場核融合と慣性核融合の両方の好ましい側面の多くを組み合わせたものである。このような重水素-トリチウム(D-T)燃焼システムの炉としての可能性を、熱的成分に加えて任意の数の高速アルファ粒子エネルギー群に対する準一次元の時間依存粒子・エネルギー平衡方程式群を用いて検討する。コアプラズマと「ハロー」領域を隔てる磁場を横切る粒子およびエネルギーの輸送には、古典的および異常拡散が組み込まれ、エネルギー利得係数Qが計算される。アブレーションする燃料シェルと金属外側シェルのサイズを適切に選択すると、初期プラズマ密度、温度、半径の妥当な値を仮定した場合に、Q値が数百、場合によっては数千に達し得ることが示される。これらの有望な結果は、燃料補給および金属壁相互作用に関する特定の仮定に依存しており、検証のためにはさらなる実験およびシミュレーション研究を待たなければならない。

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Inertial confinement fusion
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