PVT property measurements for R143a, R125, and R32 in the gaseous phase

Mitsuru Mukoubayashi, Kengo Ichikura, Yuya Kano, Haruki Sato

Research output: Contribution to journalArticle

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Abstract

PVT property measurements for the hydrofluorocarbons R143a, R125, and R32 are presented in the gaseous phase including the region near saturation. The measurements were performed by means of magnetic suspension densimeter. One hundred and two PVT properties for R143a, 144 PVT properties for R125, and 101 PVT properties for R32 were obtained in the range of temperature from (283 to 323) K and pressures up to 3.2 MPa. The experimental uncertainties are estimated to be 10 mK for temperature, (0.74 to 0.84) kPa for pressure and (0.03 % + 0.005 kg·nr-3) for density. The sample purities of R143a, R125, and R32 were better than 99.99%. The measurements are compared with the available data including the values calculated from existing equations of state.

Original languageEnglish
Pages (from-to)1925-1929
Number of pages5
JournalJournal of Chemical and Engineering Data
Volume52
Issue number5
DOIs
Publication statusPublished - 2007 Sep

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Equations of state
Suspensions
Temperature
Uncertainty

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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PVT property measurements for R143a, R125, and R32 in the gaseous phase. / Mukoubayashi, Mitsuru; Ichikura, Kengo; Kano, Yuya; Sato, Haruki.

In: Journal of Chemical and Engineering Data, Vol. 52, No. 5, 09.2007, p. 1925-1929.

Research output: Contribution to journalArticle

Mukoubayashi, Mitsuru ; Ichikura, Kengo ; Kano, Yuya ; Sato, Haruki. / PVT property measurements for R143a, R125, and R32 in the gaseous phase. In: Journal of Chemical and Engineering Data. 2007 ; Vol. 52, No. 5. pp. 1925-1929.
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