Mixing Length Hypothesis in the Dissipative Trapped Ion Instability

Akiyoshi Hatayama, Yuji Koshi, Masatada Ogasawara

研究成果: Article査読

1 被引用数 (Scopus)

抄録

The mixing length hypothesis is investigated for the purpose of making the underlying idea of the hypothesis clear in the case of the dissipative trapped ion instability. Three different approaches are employed; 1) analogy to the ordinary turbulence in hydrodynamics, 2) a nonlinear turbulent collision theory, and 3) a quasilinear theory of the density flattening. If the isotropic turbulence is assumed, the mixing length hypothesis can be derived by the first two approaches. The formula D ≃γ/k⊥2, which is usually obtained from the mixing length hypothesis, can be derived by the third approach.

本文言語English
ページ(範囲)976-979
ページ数4
ジャーナルJournal of the Physical Society of Japan
50
3
DOI
出版ステータスPublished - 1981

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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