PVT properties and vapor-pressures of ordinary water substance in the critical region

T. Morita, H. Sato, M. Uematsu, K. Watanabe

研究成果: Article査読

10 被引用数 (Scopus)

抄録

For the purpose of revealing the rather complicated thermodynamic surface of ordinary water substance in the critical region, a series of measurements of the PVT properties and the vapor-pressures of this technically important fluid have been performed by means of a constant-volume method. Ninety-three PVT measurements along 14 isotherms between 638.15 K and 652.15 K have been completed covering pressures from 18.5 to 39.2 MPa and densities from 122 to 610kg/m3. Twenty-six vapor-pressure measurements have also been performed at temperatures between 620.15 K and 647.05 K in the near vicinity of the critical point. Our measurements are compared with other available experimental data as well as with several equations of state. We also propose a new vapor-pressure correlation from the triple point to the critical point.

本文言語English
ページ(範囲)436-453
ページ数18
ジャーナルPhysica A: Statistical Mechanics and its Applications
156
1
DOI
出版ステータスPublished - 1989 3 15

ASJC Scopus subject areas

  • 統計学および確率
  • 凝縮系物理学

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