Blob-hole structures as non-axisymmetric equilibrium solutions for potential vorticity conserving fluids

Yusuke Kosuga, Patrick H. Diamond

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

We characterize blob-hole structures as equilibrium solutions for potential vorticity (PV) conserving systems. To demonstrate this, we consider equilibrium statistical mechanics of PV conserving fluids. We calculate partition function and free energy of the system, under the constraints that the energy and all the moments of PV are conserved. Equilibrium solutions are obtained by minimizing the free energy. As an example of analytical solutions from this approach, we consider solutions that conserve the energy and potential enstrophy. The connection of the obtained solutions to blob-hole structures is discussed.

本文言語英語
論文番号2403080
ジャーナルPlasma and Fusion Research
8
DOI
出版ステータス出版済み - 2013

All Science Journal Classification (ASJC) codes

  • 凝縮系物理学

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