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研究了不同内感l_i和极向比压β_p值时,低径比托卡马克等离子体自然拉长k和三角变形δ与径比A的关系。l_i和β_p对k的影响可以用“有效”径比来描述。数值结果表明k与l_i的关系可以用式子k=1+g_1(l_i)A_(-2)+g_2(l_i)A~(-4)拟合,而β_p对k的影响亦不能忽略,尚未找到δ与l_i的明显关系。
The relationship between low-ratio tokamak plasma natural extension k, triangular deformation δ and diameter-ratio A was studied when the internal sense l_i and the polar pressure β_p were studied. The effect of l_i and β_p on k can be described by the “effective” diameter ratio. Numerical results show that the relationship between k and l_i can be fitted by the formula k = 1 + g_1 (l_i) A _ (- 2) + g_2 (l_i) A ~ (-4), and the effect of β_p on k can not be neglected. Find a clear relationship between δ and l_i.