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Calculation of thermodynamic properties in solid-liquid, solid-gas and liquid-gas region [Elektronski vir]Avsec, Jurij ; Medved, Igor, materialiThe paper features the mathematical model of analytical calculation of thermodynamic properties like viscosity, speed of sound and thermal conductivity for fluids in one and two-phase region ... (fluid-solid, fluid-gas) on the basis of statistical mechanics. For the calculation of thermal conductivity and viscosity for fluids will be presented Chung-Lee-Starling model Equations for the thermal conductivity are developed based on kinetic gas theories and correlated with the experimental data. The low-pressure transport properties are extended to fluids at high densities by introducing empirically correlated density dependent functions. These correlations use acentric factor, dimensionless dipole moment and an empirically determined association parameters to characterize molecular structure effect of polyatomic molecules. The calculation of thermodynamic properties for fluids was developed under the theory of statistical thermodynamics and statistical associated fluid theory. For the calculation of thermal conductivity of solids are the most important two contributions: the heat transport by electrons (el) and by phonons (ph). In our model we have made the assumption that heat transport by electrons and by phonons is independent and the thermal conductivity is than a sum of both terms.Source: Thermophysics and mass transfer in materials science and construction [Elektronski vir] (Vol. 1126, 2015, str. 1-8)Type of material - conference contributionPublish date - 2015Language - englishCOBISS.SI-ID - 84284417
Author
Avsec, Jurij |
Medved, Igor, materiali
Topics
termodinamika |
tekočine |
plini |
viskoznost |
thermodynamic |
Liquid-Gas |
Solid-Liquid |
Thermal Conductivity |
Viscosity |
Statistical Thermodynamics
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Avsec, Jurij | 10827 |
Medved, Igor, materiali | ![]() |
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