Ideal-gas heat capacity for 2,3,3,3-tetrafluoropropene (HFO-1234yf) determined from speed-of-sound measurements

Yuya Kano, Yohei Kayukawa, Kenichi Fujii, Haruki Sato

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The isobaric ideal-gas heat capacity for HFO-1234yf, which is expected to be one of the best alternative refrigerants for HFC-134a, was determined on the basis of speed-of-sound measurements in the gaseous phase. The speed of sound was measured by means of the acoustic resonance method using a spherical cavity. The resonance frequency in the spherical cavity containing the sample gas was measured to determine the speed of sound. After correcting for some effects such as the thermal boundary layer and deformation of the cavity on the resonance frequency, the speed of sound was obtained with a relative uncertainty of 0.01 %. Using the measured speed-of-sound data, the acoustic-virial equation was formulated and the isobaric ideal-gas heat capacity was determined with a relative uncertainty of 0.1 %. A temperature correlation function of the isobaric ideal-gas heat capacity for HFO-1234yf was also developed.

Original languageEnglish
Pages (from-to)2051-2058
Number of pages8
JournalInternational Journal of Thermophysics
Volume31
Issue number11-12
DOIs
Publication statusPublished - 2010 Dec

Fingerprint

acoustic measurement
ideal gas
specific heat
acoustics
cavities
acoustic resonance
thermal boundary layer
refrigerants
gases
temperature

Keywords

  • Acoustic resonance
  • HFO-1234yf (1,1,1,2-tetrafluoroethane)
  • Ideal-gas heat capacity
  • Speed of sound
  • Spherical resonator

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Ideal-gas heat capacity for 2,3,3,3-tetrafluoropropene (HFO-1234yf) determined from speed-of-sound measurements. / Kano, Yuya; Kayukawa, Yohei; Fujii, Kenichi; Sato, Haruki.

In: International Journal of Thermophysics, Vol. 31, No. 11-12, 12.2010, p. 2051-2058.

Research output: Contribution to journalArticle

Kano, Yuya ; Kayukawa, Yohei ; Fujii, Kenichi ; Sato, Haruki. / Ideal-gas heat capacity for 2,3,3,3-tetrafluoropropene (HFO-1234yf) determined from speed-of-sound measurements. In: International Journal of Thermophysics. 2010 ; Vol. 31, No. 11-12. pp. 2051-2058.
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