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Energy exchanges in reconnection outflows

机译:重新连接中的能量交换

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Reconnection outflows are highly energetic directed flows that interact with the ambient plasma or with flows from other reconnection regions. Under these conditions the flow becomes highly unstable and chaotic, as any flow jets interacting with a medium. We report here massively parallel simulations of the two cases of interaction between outflow jets and between a single outflow with an ambient plasma. We find in both case the development of a chaotic magnetic field, subject to secondary reconnection events that further complicate the topology of the field lines. The focus of the present analysis is on the energy balance. We compute each energy channel (electromagnetic, bulk, thermal, for each species) and find where the most energy is exchanged and in what form. The main finding is that the largest energy exchange is not at the reconnection site proper but in the regions where the outflowing jets are destabilized.
机译:重新连接外流是高性能的定向流,其与环境等离子体相互作用或来自其他重新连接区域的流动。 在这些条件下,随着与介质相互作用的任何流动喷射,流动变得高度不稳定和混乱。 我们在这里报告了出流动喷射器之间的两个相互作用案例的大规模平行模拟,以及环境等离子体的单个流出。 我们在两种情况下发现了一种混沌磁场的开发,受到次要重新连接事件,其进一步使现场线的拓扑进行复杂化。 本分析的重点是能量平衡。 我们计算每个能量通道(电磁,散装,热量,热量,每个物种),并找到最多能量的位置以及以何种形式的形式。 主要发现是,最大的能源交换不适合重新连接,但在流出喷射射流稳定的地区。

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