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Stability Theory on a Circular Jet with Near-Critical Mixing Surface.

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  • 近臨界混合表面液ジェットの安定性理論
  • キン リンカイ コンゴウ ヒョウメンエキ ジェット ノ アンテイセイ リロン

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The stability of a circular liquid jet with near-critical mixing surface is analyzed in the frame-work of inviscid linear stability theory. The phase equilibrium condition results in vanishing small surface tension and surface density difference at high pressures. Because of very low mass diffusivity, the density changes only in the vicinity of the near-critical mixing surface. The analysis shows that the small surface density difference enhances the instability to a great degree, coupling with the effects of gas-phase velocity boundary layer flow and baroclinic vorticity production.


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