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

研究成果: Article

19 引用 (Scopus)

抄録

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.

元の言語English
ページ(範囲)2051-2058
ページ数8
ジャーナルInternational Journal of Thermophysics
31
発行部数11-12
DOI
出版物ステータスPublished - 2010 12

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

ASJC Scopus subject areas

  • Condensed Matter Physics

これを引用

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.

:: International Journal of Thermophysics, 巻 31, 番号 11-12, 12.2010, p. 2051-2058.

研究成果: Article

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. :: International Journal of Thermophysics. 2010 ; 巻 31, 番号 11-12. pp. 2051-2058.
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