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一、引言高β仿星器是环形角向收缩的位形之一。为开展对这一位形的实验研究,我们利用储能为60千焦耳的角向一号收缩装置做了直线 l=1螺旋等离子体实验。单匝线圈长150厘米,为产生 l=1螺旋磁场,内壁加工成螺旋形。螺旋孔半径 b=6厘米,螺旋幅值 bδw=0.684厘米,周期长 L=30厘米,单匝线圈按周期分为五段,实物如图1
I. INTRODUCTION The high β stellarator is one of the most widely used horns for ring contraction. To carry out an experimental study of this configuration, we performed a straight-line l = 1 spiral plasma experiment on a shrinking device using an energy storage capacity of 60 kJ. Single-turn coil length of 150 cm, to produce l = 1 spiral magnetic field, the inner wall processed into a spiral. Spiral hole radius b = 6 cm, the spiral amplitude bδw = 0.684 cm, a long period of L = 30 cm, the single-turn coil is divided into five sections by cycle, in-kind as shown in Figure 1