Akhfash, Masoumeh and Al Ghafri, Saif Z. S. and Rowland, Darren and Hughes, Thomas J. and Tsuji, Tomoya and Tanaka, Yukio and Seiki, Yoshio and May, Eric F. (2019) Liquid and vapor viscosities of binary refrigerant mixtures containing R1234yf or R1234ze(E). Journal of Chemical and Engineering Data, 64 (3). pp. 1122-1130. ISSN 0021-9568
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Official URL: http://dx.doi.org/10.1021/acs.jced.8b01039
Abstract
Liquid and vapor viscosities are reported for the binary refrigerant mixtures (R125 + R152a), (R125 + R1234ze(E)), (R143a + R1234ze(E)), (R143a + R1234yf), and (R1234ze(E) + R1234yf). The measurements were made with a vibrating wire viscometer and span temperatures from (252 to 403) K and pressures from (0.9 to 4.0) MPa. The performance of the vibrating-wire apparatus was validated by measuring the viscosity of pure R152a in both the vapor and liquid regions. These measurements and previously published data were used to tune binary interaction parameters in the extended corresponding states equation model for viscosity implemented in the NIST software REFPROP 9.1. After tuning, deviations between the model and reported viscosities were reduced from between (-4 and 8)% to within ±2%.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | refrigerant mixtures, vibrating wire, vibrating wire viscometers |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Malaysia-Japan International Institute of Technology |
| ID Code: | 87923 |
| Deposited By: | Yanti Mohd Shah |
| Deposited On: | 30 Nov 2020 13:37 |
| Last Modified: | 30 Nov 2020 13:37 |
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