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  • The determination of thermodynamic and transport properties for modern refrigerants [Elektronski vir]
    Avsec, Jurij ; Predin, Andrej, 1961-
    The paper features the mathematical model of computing equilibrium and nonequilibrium thermophysical properties of state in the liquid and gas domain for pure refrigerants and mixtures with the help ... of classical thermodynamics and statistical thermodynamics. The paper features all important contributions (translation, rotation, internal rotation, vibration, intermolecular potential energy and influence of electron and nuclei excitation). To calculate the thermodynamic properties of real fluid the models on the base of Lennard-Jones intermolecular potential were applied. To calculate the thermodynamic properties of real fluid with help of classical thermodynamics we used Tillner-Roth-Watanabe-Wagner (TRWW) equation on the base of Helmhotz type. We developed the mathematical model for the calculationof all equilibrium and nonequilibrium thermodynamic functions of state for pure refrigerants. The analytical results obtained by statistical thermodynamics are compared with the TRWW model and show relatively good agreement.
    Type of material - conference contribution
    Publish date - 2009
    Language - english
    COBISS.SI-ID - 1024008540