PVTx Properties of the R245fa/R1234ze(E) for Low-Temperature Organic Rankine Cycle,Journal of Chemical & Engineering Data

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PVTx Properties of the R245fa/R1234ze(E) for Low-Temperature Organic Rankine Cycle
Journal of Chemical & Engineering Data ( IF 2.0 ) Pub Date : 2021-10-21 , DOI: 10.1021/acs.jced.1c00406
Yinfei Ge ₁ , Yingxia Qi ₂ , Fan Zhang ₁ , Yefeng Liu ₂

Affiliation

The gaseous PVTx properties of 1,1,1,3,3- pentafluoropropane (R245fa) + trans-1,3,3,3-tetrafluoropropene (R1234ze(E)) mixtures were measured at temperatures from 300.5 to 335.5 K and corresponding pressures from 144.1 to 598.8 kPa, and the composition of R245fa from 0.60 to 0.85 mass fraction used the Burnett isothermal expansion method. The uncertainties of the experimental device was estimated to be ±8.1 mK for temperature, ± 1.7 kPa for pressure and ±0.003 for mass fraction. The experimental results were corrected using the virial equation of state (EOS) and the second and third virial coefficients of the virial EOS were fitted. Good agreement in the pressures obtained by virial EOS with the experimental pressures was found with relative errors within ±0.8%.

中文翻译：

用于低温有机朗肯循环的 R245fa/R1234ze(E) 的 PVTx 特性

在 300.5 到 335.5 K 的温度和相应的压力下测量了 1,1,1,3,3-五氟丙烷 (R245fa) +反式-1,3,3,3-四氟丙烯 (R1234ze(E)) 混合物的气态PVTx特性从 144.1 到 598.8 kPa，R245fa 的组成从 0.60 到 0.85 质量分数使用 Burnett 等温膨胀法。实验装置的不确定性估计为温度 ±8.1 mK、压力 ± 1.7 kPa 和质量分数 ±0.003。使用维里状态方程 (EOS) 对实验结果进行校正，并拟合维里 EOS 的第二和第三维里系数。通过维里 EOS 获得的压力与实验压力非常吻合，相对误差在 ±0.8% 以内。

更新日期：2021-12-09

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