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本文从粒子平衡方程出发,运用Howe的氢再循环模型,借助于设置在不同位置并经绝对校准的H_α探测器测得的信号强度等实验数据,研究了HL-1托卡马克放电中总体再循环系数随时间变化,并采用Ehrenberg定义的加料效率的概念来分析在不同壁和孔栏条件或各种工作气体情况下的壁抽吸和壁加料现象,用四极质谱仪观察并比较了不同等离子体放电后的粒子释放情况,较系统地研究了HL-1装置不同运行条件下的再循环现象及其对粒子约束特性的影响。
Starting from the particle balance equation and using Howe’s hydrogen recirculation model, the experimental data of signal intensities measured by H_α detectors located at different positions and absolutely calibrated were used to study the effects of HL-1 tokamak discharge The cycling coefficients vary with time and the concept of feed efficiency as defined by Ehrenberg is used to analyze wall pumping and wall charging under different wall and cell conditions or various working gases. The quadrupole mass spectrometer was used to observe and compare the differences The release of particles after plasma discharge was studied systematically and the effect of recirculation under different operating conditions on the HL-1 device and its effect on particle confinement properties were systematically investigated.