Title: First-Principles Calculation of the Cross Second Virial Coefficient and the Dilute Gas Shear Viscosity, Thermal Conductivity, and Binary Diffusion Coefficient of the (H₂O + N₂) System
Authors: Hellmann, Robert 
Language: eng
Issue Date: 12-Dec-2019
Document Type: Article
Journal / Series / Working Paper (HSU): Journal of chemical & engineering data
Volume: 64
Issue: 12
Page Start: 5959
Page End: 5973
The cross second virial coefficient and the low-density shear viscosity, thermal conductivity, and binary diffusion coefficient of mixtures of water (H₂O) with nitrogen (N₂) were obtained at temperatures of up to 2000 K with high accuracy employing statistical thermodynamics and the kinetic theory of polyatomic gases, respectively. The required intermolecular potential energy surface (PES) describing H₂O-N₂ interactions is presented in this work, while existing PESs from the literature were used to model H2O-H2O and N₂-N₂ interactions. All of the applied PESs are based on high-level quantum-chemical ab initio calculations. The values predicted for the investigated thermophysical properties agree satisfactorily with the existing experimental data and are probably the most accurate estimates currently available. Practical correlations of the cross second virial coefficient and the low-density binary diffusion coefficient, which are based exclusively on the calculated values, are also provided.
Organization Units (connected with the publication): Universität Rostock
ISSN: 00219568
Publisher DOI: 10.1021/acs.jced.9b00822
Appears in Collections:6 - Bibliographic Data - Publications of the HSU Researchers (before HSU)

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