Equation of state for hydrofluorocarbon refrigerant mixtures of HFC-125/143a, HFC-125/134a, HFC-134a/143a and HFC-125/134a/143a

J. Li; R. Tillner-Roth; H. Sato; K. Watanabe

doi:10.1016/S0378-3812(99)00187-9

Equation of state for hydrofluorocarbon refrigerant mixtures of HFC-125/143a, HFC-125/134a, HFC-134a/143a and HFC-125/134a/143a

J. Li, R. Tillner-Roth, H. Sato, K. Watanabe

システムデザイン工学科

研究成果: Conference article › 査読

9 被引用数 (Scopus)

抄録

Equations of state (EOSs) in the form of dimensionless Helmholtz free energy have been developed for the binary hydrofluorocarbon (HFC) refrigerant mixtures HFC-125/143a, HFC-125/134a, HFC-134a/143a and for the ternary refrigerant mixture HFC-125/134a/143a in the present work. These EOSs are effective in the temperature and pressure ranges where the experimental measurements covered, i.e., 200 K ≤ T ≤ 413 K, P ≤ 35 MPa for HFC-125/143a and HFC-125/134a; 243 K ≤ T ≤ 413 K, P ≤ 17 MPa for HFC-134a/143a and HFC-125/134a/143a. Experimental measurements in both single-phase and two-phase regions are represented by the present EOSs within their estimated uncertainties.

本文言語	English
ページ（範囲）	225-239
ページ数	15
ジャーナル	Fluid Phase Equilibria
巻	161
号	2
DOI	https://doi.org/10.1016/S0378-3812(99)00187-9
出版ステータス	Published - 1999 7月 24
イベント	Proceedings of the 1998 5th Asian Thermophysical Properties Conference - Seoul, S Kor 継続期間: 1998 8月 3 → 1998 9月 2

ASJC Scopus subject areas

化学工学（全般）
物理学および天文学（全般）
物理化学および理論化学

文献へのアクセス

10.1016/S0378-3812(99)00187-9

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引用スタイル

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title = "Equation of state for hydrofluorocarbon refrigerant mixtures of HFC-125/143a, HFC-125/134a, HFC-134a/143a and HFC-125/134a/143a",

abstract = "Equations of state (EOSs) in the form of dimensionless Helmholtz free energy have been developed for the binary hydrofluorocarbon (HFC) refrigerant mixtures HFC-125/143a, HFC-125/134a, HFC-134a/143a and for the ternary refrigerant mixture HFC-125/134a/143a in the present work. These EOSs are effective in the temperature and pressure ranges where the experimental measurements covered, i.e., 200 K ≤ T ≤ 413 K, P ≤ 35 MPa for HFC-125/143a and HFC-125/134a; 243 K ≤ T ≤ 413 K, P ≤ 17 MPa for HFC-134a/143a and HFC-125/134a/143a. Experimental measurements in both single-phase and two-phase regions are represented by the present EOSs within their estimated uncertainties.",

keywords = "Equation of state, HFC-125, HFC-134a, HFC-143a, Helmholtz free energy, Hydrofluorocarbon, Mixture",

author = "J. Li and R. Tillner-Roth and H. Sato and K. Watanabe",

note = "Funding Information: We thank members of Annex 18 Project of the IEA for their supply of experimental measurements prior to publication. We are also indebted to NEDO (New Energy and Industrial Technology Development Organization of Japan) for their financial support.; Proceedings of the 1998 5th Asian Thermophysical Properties Conference ; Conference date: 03-08-1998 Through 02-09-1998",

year = "1999",

month = jul,

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doi = "10.1016/S0378-3812(99)00187-9",

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T1 - Equation of state for hydrofluorocarbon refrigerant mixtures of HFC-125/143a, HFC-125/134a, HFC-134a/143a and HFC-125/134a/143a

AU - Li, J.

AU - Tillner-Roth, R.

AU - Sato, H.

AU - Watanabe, K.

N1 - Funding Information: We thank members of Annex 18 Project of the IEA for their supply of experimental measurements prior to publication. We are also indebted to NEDO (New Energy and Industrial Technology Development Organization of Japan) for their financial support.

PY - 1999/7/24

Y1 - 1999/7/24

N2 - Equations of state (EOSs) in the form of dimensionless Helmholtz free energy have been developed for the binary hydrofluorocarbon (HFC) refrigerant mixtures HFC-125/143a, HFC-125/134a, HFC-134a/143a and for the ternary refrigerant mixture HFC-125/134a/143a in the present work. These EOSs are effective in the temperature and pressure ranges where the experimental measurements covered, i.e., 200 K ≤ T ≤ 413 K, P ≤ 35 MPa for HFC-125/143a and HFC-125/134a; 243 K ≤ T ≤ 413 K, P ≤ 17 MPa for HFC-134a/143a and HFC-125/134a/143a. Experimental measurements in both single-phase and two-phase regions are represented by the present EOSs within their estimated uncertainties.

AB - Equations of state (EOSs) in the form of dimensionless Helmholtz free energy have been developed for the binary hydrofluorocarbon (HFC) refrigerant mixtures HFC-125/143a, HFC-125/134a, HFC-134a/143a and for the ternary refrigerant mixture HFC-125/134a/143a in the present work. These EOSs are effective in the temperature and pressure ranges where the experimental measurements covered, i.e., 200 K ≤ T ≤ 413 K, P ≤ 35 MPa for HFC-125/143a and HFC-125/134a; 243 K ≤ T ≤ 413 K, P ≤ 17 MPa for HFC-134a/143a and HFC-125/134a/143a. Experimental measurements in both single-phase and two-phase regions are represented by the present EOSs within their estimated uncertainties.

KW - Equation of state

KW - HFC-125

KW - HFC-134a

KW - HFC-143a

KW - Helmholtz free energy

KW - Hydrofluorocarbon

KW - Mixture

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T2 - Proceedings of the 1998 5th Asian Thermophysical Properties Conference

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