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

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

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)436-453
Number of pages18
JournalPhysica A: Statistical Mechanics and its Applications
Volume156
Issue number1
DOIs
Publication statusPublished - 1989 Mar 15

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Critical region
vapor pressure
Water
critical point
water
Critical point
pressure measurement
Triple Point
isotherms
coverings
equations of state
Equation of State
thermodynamics
Thermodynamics
Covering
fluids
Experimental Data
Fluid
Series
temperature

ASJC Scopus subject areas

  • Mathematical Physics
  • Statistical and Nonlinear Physics

Cite this

PVT properties and vapor-pressures of ordinary water substance in the critical region. / Morita, T.; Sato, H.; Uematsu, M.; Watanabe, K.

In: Physica A: Statistical Mechanics and its Applications, Vol. 156, No. 1, 15.03.1989, p. 436-453.

Research output: Contribution to journalArticle

Morita, T. ; Sato, H. ; Uematsu, M. ; Watanabe, K. / PVT properties and vapor-pressures of ordinary water substance in the critical region. In: Physica A: Statistical Mechanics and its Applications. 1989 ; Vol. 156, No. 1. pp. 436-453.
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