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Romeo R, Giuliano Albo PA, Lorefice S, et al. Density measurements of subcooled water in the temperature range of (243 and 283) K and for pressures up to 400 MPa. J Chem Phys. 2016;144(7):074501doi: 10.1063/1.4941580.
Romeo, R., Giuliano Albo, P. A., Lorefice, S., & Lago, S. (2016). Density measurements of subcooled water in the temperature range of (243 and 283) K and for pressures up to 400 MPa. The Journal of chemical physics, 144(7), 074501. https://doi.org/10.1063/1.4941580
Romeo, Raffaella, et al. "Density measurements of subcooled water in the temperature range of (243 and 283) K and for pressures up to 400 MPa." The Journal of chemical physics vol. 144,7 (2016): 074501. doi: https://doi.org/10.1063/1.4941580
Romeo R, Giuliano Albo PA, Lorefice S, Lago S. Density measurements of subcooled water in the temperature range of (243 and 283) K and for pressures up to 400 MPa. J Chem Phys. 2016 Feb 21;144(7):074501. doi: 10.1063/1.4941580. PMID: 26896989.
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J Chem Phys. 2016 Feb 21;144(7):074501. doi: 10.1063/1.4941580.

Density measurements of subcooled water in the temperature range of (243 and 283) K and for pressures up to 400 MPa.

The Journal of chemical physics

Raffaella Romeo, P Alberto Giuliano Albo, Salvatore Lorefice, Simona Lago

Affiliations

  1. Politecnico di Torino, DISAT, C.so Duca degli Abruzzi 24, 10129 Torino, Italy.
  2. Istituto Nazionale di Ricerca Metrologica, Strada delle Cacce 91, 10135 Torino, Italy.

PMID: 26896989 DOI: 10.1063/1.4941580

Abstract

In this work, accurate density measurements of subcooled water (freshly double-distilled water) were performed along eight constant-mass curves in the temperature range of (243 to 283) K and in the pressure range of (140 to 400) MPa, by a pseudo-isochoric method. The experimental apparatus mainly consisted of a high pressure vessel, especially designed for this experiment, of known volume as a function of temperature and pressure, used to perform measurements in the T-p range under study. The density of subcooled water was obtained by measuring the equilibrium pressure at different temperatures, keeping the mass constant. All terms contributing to the uncertainty of subcooled water density measurements were considered; the estimated relative uncertainty, in the investigated temperature and pressure range, is about 0.07%. The experimental results were compared with the literature densities. In particular, the trend of density versus temperature for a constant mass of sample observed experimentally differs from the trend calculated by the equation provided by the International Association for Properties of Water and Steam (IAPWS-95) outside the range of validity, i.e., in the metastable region.

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