用三参数Dagum离子速度分布估算总聚变反应性和超热尾贡献
Estimation of Total Fusion Reactivity and Contribution from Suprathermal Tail using 3-parameter Dagum Ion Speed Distribution
摘要：
热核聚变反应性是惯性约束和磁约束系统中聚变能产生、聚变点火和能量盈亏平衡分析等研究中的一个关键量。虽然核聚变反应性和其后的功率密度的磁约束聚变反应堆和点火标准的履行定量地确定通过假设离子速度分布是麦克斯韦，一个显着的人口超热离子，能量大于准麦克斯韦背景等离子体温度，产生的聚变反应和辅助加热的聚变装置。在目前的工作中，三参数Dagum速度分布已被引入到包括超热离子布居的影响，在总聚变反应性的计算。在聚变燃料等离子体的不同背景温度下，由于超热离子布居，聚变反应性的增强程度也进行了讨论。
英文摘要：
Thermonuclear fusion reactivity is a pivotal quantity in the studies pertaining to fusion energy production, fusion ignition and energy break-even analysis in both inertially and magnetically confined systems. Although nuclear fusion reactivity and thereafter the power density of a magnetic confinement fusion reactor and the fulfillment of the ignition criterion are quantitatively determined by assuming the ion speed distribution to be Maxwellian, a significant population of suprathermal ions,with energy greater than the quasi-Maxwellian background plasma temperature, is generated by the fusion reactions and auxiliary heating in the fusion devices. In the current work 3-parameter Dagum speed distribution has been introduced to include the effect of suprathermal ion population in the calculation of total fusion reactivity. The extent of enhancement in the fusion reactivity, at different back-ground temperatures of the fusion fuel plasma, due to the suprathermal ion population has also been discussed.
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