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Rotation of Interchange Instability in the Large Helical Device

机译:大型螺旋装置中互换不稳定性的旋转

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The rotation of resistive interchange instabilities excited in the periphery of plasmas compared to plasma flows under various plasma conditions in the Large Helical Device. The observed magnetohydrodynamic modes exhibit nominal rotation in the electron diamagnetic direction in the laboratory frame. We assumed that the ion (electron) flows consist of the E × B and ion (electron) diamagnetic drift flows. These drift flows were individually evaluated and geometrically compensated using a finite beta equilibrium. Experiments with different neutral beam injection conditions and different electron densities show that the frequencies of the observed modes were quantitatively consistent with those of the electron flow.
机译:与大型螺旋设备中各种等离子体条件下的等离子体流相比,在等离子体外围激发的电阻交换不稳定性的旋转。观察到的磁流体动力学模式在实验室框架中显示出沿电子反磁方向的名义旋转。我们假设离子(电子)流由E×B和离子(电子)抗磁漂移流组成。这些漂移流量分别进行了评估,并使用有限的β平衡进行几何补偿。在不同的中性束注入条件和不同的电子密度下进行的实验表明,观测模式的频率与电子流的频率在数量上是一致的。

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