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    Viscosity of binary refrigerant mixtures of R32 + R1234yf and R32 + R1243zf

    84928.pdf (1.149Mb)
    Access Status
    Open access
    Authors
    Yang, X.
    Liu, H.
    Chen, S.H.
    Kim, D.
    Yang, F.
    Arami-Niya, Arash
    Duan, Y.
    Date
    2021
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Yang, X. and Liu, H. and Chen, S.H. and Kim, D. and Yang, F. and Arami-Niya, A. and Duan, Y. 2021. Viscosity of binary refrigerant mixtures of R32 + R1234yf and R32 + R1243zf. International Journal of Refrigeration. 128: pp. 197-205.
    Source Title
    International Journal of Refrigeration
    DOI
    10.1016/j.ijrefrig.2020.11.020
    ISSN
    0140-7007
    Faculty
    Faculty of Science and Engineering
    School
    WASM: Minerals, Energy and Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/85105
    Collection
    • Curtin Research Publications
    Abstract

    Viscosity measurements of six binary mixtures of R32+R1234yf and R32+R1243zf at different compositions were conducted in the homogenous liquid and gas phases with a vibrating-wire viscometer in the temperature range from (254 to 383) K and pressures from (1 to 8) MPa. The measurement system was verified with the measurements of pure carbon dioxide and R32 in homogenous liquid and gas phases. The relative combined expanded uncertainties (k = 2) in the experimental viscosity of the mixtures are generally from 3.2% to 5.0%. The measured viscosities agree with the calculations of the extended corresponding state model implemented in the software package REFPROP 10.0 within 10% and mainly within 5%. The parameters of the residual entropy scaling model incorporating cubic-plus-association equation of state (RES-CPA model) for the viscosity of pure R1243zf and binary R32 + R1243zf mixture were determined. The relative deviation of the measured viscosities from values calculated with the RES-CPA model is mainly within 6% in the liquid phase and 10% in the gas phase.

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