An International Standard Formulation for trans-1-Chloro-3,3,3-trifluoroprop-1-ene [R1233zd(E)] Covering Temperatures from the Triple-Point Temperature to 450 K and Pressures up to 100 MPa

IF 4.4 2区工程技术 Q2 CHEMISTRY, MULTIDISCIPLINARY

Journal of Physical and Chemical Reference Data Pub Date : 2022-06-01 DOI:10.1063/5.0083026

R. Akasaka, E. Lemmon

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引用次数: 6

Abstract

A new Helmholtz energy equation of state is presented for trans-1-chloro-3,3,3-trifluoroprop-1-ene [R1233zd(E)], which is expressed with temperature and density as independent variables. Experimental data in the range of temperatures from 215 to 444 K and pressures up to 35 MPa form the basis of the new equation. In this range, expected uncertainties ( k = 2) of the new equation of state are 0.07% for vapor pressures at temperatures above the normal boiling point temperature [Formula: see text], 0.2% for vapor pressures at lower temperatures, 0.05% for liquid densities, 0.15% for vapor densities, 0.1% for saturated liquid densities, 0.05% for liquid-phase sound speeds, and 0.08% for vapor-phase sound speeds. The new equation is valid at temperatures from the triple-point temperature (165.75 K) to 450 K and pressures up to 100 MPa with reasonable uncertainties outside the available range of data because it fully extrapolates with correct physical behavior to higher temperatures and pressures as well as to lower temperatures. The equation of state presented here has been recommended as an international standard by the working group presently revising ISO 17584 (Refrigerant Properties).

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反式-1-氯-3,3,3-三氟丙烷-1-烯的国际标准配方[R1233zd(E)]，涵盖从三点温度到450 K和压力高达100 MPa的温度

针对反式-1-氯-3,3,3-三氟丙-1-烯[R1233zd（E）]，提出了一种新的亥姆霍兹能量状态方程，该方程以温度和密度为自变量表示。在215至444K的温度和高达35MPa的压力范围内的实验数据构成了新方程的基础。在这个范围内，新状态方程的预期不确定性（k=2）对于高于正常沸点温度的蒸汽压[公式：见正文]为0.07%，对于较低温度下的蒸汽压为0.2%，对于液体密度为0.05%，对于蒸汽密度为0.15%，对于饱和液体密度为0.1%，对于液相声速为0.05%，气相声速为0.08%。新方程在三点温度（165.75 K）至450 K的温度和高达100 MPa的压力下有效，在可用数据范围之外具有合理的不确定性，因为它以正确的物理行为完全外推到更高的温度和压力以及更低的温度。本文提出的状态方程已被目前正在修订ISO 17584（制冷剂特性）的工作组推荐为国际标准。

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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来源期刊

Journal of Physical and Chemical Reference Data 化学-化学综合

CiteScore

6.90

自引率

11.60%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Physical and Chemical Reference Data (JPCRD) is published by AIP Publishing for the U.S. Department of Commerce National Institute of Standards and Technology (NIST). The journal provides critically evaluated physical and chemical property data, fully documented as to the original sources and the criteria used for evaluation, preferably with uncertainty analysis. Critical reviews may also be included if they document a reference database, review the data situation in a field, review reference-quality measurement techniques, or review data evaluation methods.