Mixture Models for Refrigerants R-1234yf/134a, R-1234yf/1234ze(E), and R-134a/1234ze(E) and Interim Models for R-125/1234yf, R-1234ze(E)/227ea, and R-1234yf/152a-Reference-Cited by-同舟云学术

Mixture Models for Refrigerants R-1234yf/134a, R-1234yf/1234ze(E), and R-134a/1234ze(E) and Interim Models for R-125/1234yf, R-1234ze(E)/227ea, and R-1234yf/152a

Published:2022-03-01 Issue:1 Volume:51 Page:013103
ISSN:0047-2689
Container-title:Journal of Physical and Chemical Reference Data
language:en
Short-container-title:Journal of Physical and Chemical Reference Data

Author:

Bell Ian H.¹^ORCID

Affiliation:

1. Applied Chemicals and Materials Division, National Institute of Standards and Technology, Boulder, Colorado 80305, USA

Abstract

In this work, new thermodynamic models for refrigerant mixtures are provided for the binary pairs R-1234yf/134a, R-1234yf/1234ze(E), and R-134a/1234ze(E) based on new reference measurements of speed of sound, density, and bubble-point pressures. Fitting the very accurate liquid-phase speed of sound and density data reproduces the bubble-point pressures to within close to their uncertainty, yielding deviations in density less than 0.1% and speed of sound deviations less than 1% (and less than 0.1% for R-1234yf/134a). Models are also presented for the binary pairs R-125/1234yf, R-1234ze(E)/227ea, and R-1234yf/152a based solely on bubble-point measurements.

Funder

Strategic Environmental Research and Development Program

Publisher

AIP Publishing

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy,General Chemistry

Link

https://aip.scitation.org/doi/am-pdf/10.1063/5.0086060

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