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提出了一个香蕉轨道损失模型用于解释托卡马克中逃逸电子损失的锯齿效应。由于锯齿崩塌过程中的磁场扰动,循环逃逸电子容易转换成俘获电子,经过一段时间延迟后由环向进动漂移到达孔栏。此模型也可解释与 m=2 模式相关的硬 X 射线振荡和外破裂过程中的硬 X 射线尖峰。
A banana orbit loss model is proposed to explain the sawtooth effect of escape electron loss in tokamaks. Due to the disturbance of the magnetic field during the sawtooth collapse, the cyclic escape electrons are easily converted into trapped electrons, and then arrive at the aperture column by the precessional drift in the ring after a period of delay. This model can also explain hard X-ray spikes during hard X-ray oscillations and external ruptures associated with the m = 2 mode.