Univerzitetna knjižnica Maribor (UKM)
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  • Statistical approach to calculate thermodynamic properties of propane
    Avsec, Jurij ; Watanabe, Koichi ; Marčič, Milan
    This paper discusses the mathematical model for computing the thermodynamic properties of propane, R-290, in its vapour phase with the aid of statistical thermodynamics. The procedure for calculating ... the essential thermodynamic properties of R-290 is presented. A model on the basis of perturbation theory around Lennard-Jones intermolecular potential was applied to elucidate the essential thermodynamic properties in an extensive range of temperatures and pressures. Among several available methods to consider anisotropy in potential, we have selected the model by which we can expect favorable results in practical computations for a considerable number of components in a wide range of temperatures and densities. The present model was derived so as to include the contributions up to octopole moment and it resulted in exhibiting a thermodynamically consistent behaviour with respect to various derived thermodynamic properties for the entire fluid phase of R-290. For the purpose of a systemtic comparison of the present statistical model with available analytical models, we have selected the thermodynamic model for R-290 recently published by Miyamoto and Watanebe and some satisfactory agreements are demonstated in the loght of available experimental data.
    Vir: Thermophysical properties and transfer processes of new refrigerants (Str. 39-46)
    Vrsta gradiva - prispevek na konferenci
    Leto - 2001
    Jezik - angleški
    COBISS.SI-ID - 48239105

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