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ON ELECTRON ENERGY DEFECT IN IONIZATIONALLY UNSTABLE PLASMA

机译：电离不稳定等离子体中的电子能量缺陷

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摘要

The development of ionizational (electrothermal) instability under moving two-temperature inert gas plasma in across magnetic field is investigated. The gas dynamic flow parameters, the local and average values of temperature and concentration, local conductivity for electron plasma component, basic integral characteristics of magnetohydrodynamic (MHD) channels were defined. The electron energy balance is brought such that the Joule heating power is equal to the rate of energy transfer to the heavy plasma component at the elastic collisions and the rate of energy transfer for ionization. This energy balance is conserved in a stable plasma and it is not conserved in unstable plasma. The defect of electron energy is about 1/3 or 1/2 from Joule heating energy, meaning large part of energy is lost in fluctuations.
机译：研究了在跨磁场移动两温惰性气体等离子体下电离（电热）不稳定性的发展。定义了气体动态流动参数，温度和浓度的局部和平均值，电子等离子体成分的局部电导率，磁流体动力学（MHD）通道的基本积分特性。带来电子能量平衡，使得焦耳加热功率等于在弹性碰撞时能量转移到重等离子体成分的速率和电离能量转移的速率。这种能量平衡在稳定的等离子体中得以保留，而在不稳定的等离子体中则未被保留。电子能量的缺陷大约是焦耳热能的1/3或1/2，这意味着很大一部分能量会因波动而损失。

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