Speed of sound in gaseous cis-1,3,3,3-tetrafluoropropene (R1234ze(Z)) between 307 K and 420 K

D. Lozano-Martín, D. Madonna Ripa, R. M. Gavioso
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Abstract

Measurements of the speed of sound in gaseous cis-1,3,3,3-tetrafluoroprop-1-ene, (R1234ze(Z)), are presented. The measurements were performed using a quasi-spherical acoustic resonator at temperatures between 307 K and 420 K and pressures up to 1.8 MPa. Ideal-gas heat capacities and acoustic virial coefficients over the same temperature range were directly calculated from the results. The relative accuracy of our determinations of the speed of sound $w$($p$,$T$) of R1234ze(Z) was approximately $\pm$ 0.02%. The accuracy of the determination of the ideal gas heat capacity ratio ${\gamma}^{0}$($T$) was approximately $\pm$ 0.25%. These data were found to be mostly consistent with the predictions of a fundamental equation of state of R1234ze(Z).
气态顺式-1,3,3,3-四氟丙烯(R1234ze(Z))在 307 K 和 420 K 之间的声速
本文介绍了气体-1,3,3,3-四氟丙烯(R1234ze(Z))中的声速测量结果。测量使用准球形声共振器进行,温度介于 307 K 和 420 K 之间,压力高达 1.8 MPa。根据测量结果直接计算了同一温度范围内的理想气体热容量和声学病毒系数。我们测定的 R1234ze(Z) 的声速 $w$($p$,$T$)的相对精度约为 $\pm$ 0.02%。理想气体热容比 ${{gamma}^{0}$($T$)的测定精度约为 $/pm$ 0.25%。研究发现,这些数据与 R1234ze(Z)的基本状态方程的预测基本一致。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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