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HL-2A装置电子回旋共振加热时,氘脉冲超声分子束穿越分界面,等离子体各项重要参数,包括等离子体储能、极向比压、中平面线平均密度、中心密度和温度上升,中子产额急剧增加.超声分子束注入有可能较常规脉冲送气在台基顶部提供较强的粒子源,被认为是可供ITER替换脉冲送气的加料方法之一.HL-2A装置氢超声分子束注入的平均速度约为1.7km,与溢流(分子流)注入真空的速度测量作了比较.
During the electron cyclotron resonance heating of HL-2A device, the deuterium pulsed ultrasonic molecular beam traverses the interface and the plasma parameters such as plasma energy storage, polar pressure, average density of midplane, central density and temperature rise, Son-in-son output increased sharply.Ultrasonic molecular beam injection may provide a stronger particle source at the top of the mesa than conventional pulsed gas supply and is considered as one of the feeding methods available for ITER replacement pulse gas delivery.HL-2A device hydrogen supersonic molecular beam The average velocity of injection was about 1.7 km and was compared with the velocity measurement of overflow (molecular flow) into the vacuum.