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Multi-scale Interaction between a Tearing Mode and a Collisional Drift Wave

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概要 The interaction between tearing mode and collisional drift wave is investigated using reduced neoclassical MHD equations. Introducing two types of neoclassical viscosity model, i.e., HS model and B mo...del, the stability analysis of tearing mode and collisional drift wave is performed. It is found that both (neoclassical) tearing mode and collisional drift wave are unstable for B model even in the optimized q profile with Δ' = 0. Next, the nonlinear simulation in case with B model is performed. It is found that the growth rate of tearing mode is enhanced by the beat interaction of collisional drift wave.続きを見る

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登録日 2013.08.27
更新日 2023.02.27

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