Journal ArticleDOI
External Field Dependence of Transport Properties. II. Thermal Conduction in a Fluid of Loaded Spherocylinders
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In this article, the authors used classical kinetic theory to determine the influence of a magnetic field upon thermal conduction in a gas of linear molecules, assuming that the molecules are rigid and smooth, loaded spherocylinders.Abstract:
Classical kinetic theory is used to determine the influence of a magnetic field upon thermal conduction in a gas of linear molecules. To account for the effects of inelastic collisions it is assumed that the molecules are rigid and smooth, loaded spherocylinders. The geometrical parameters which characterize the interactions between these particles are obtained from comparisons of experimental and theoretical values for certain properties of the thermal conductivity tensor. The agreement between theoretical and experimental values of the phenomenological coefficients λ‖, λ⊥, and λtr is quite satisfactory for N2, CO, and NO, the three gases for which there are extensive experimental data.read more
Citations
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Journal ArticleDOI
Quantum kinetic theory of polyatomic gases
TL;DR: A review of the kinetic theory of polyatomic gases as based on the quantum mechanical Waldmann-Snider kinetic equation is given in this article, where the transport properties in the Navier-Stokes and Burnett regimes and their dependence on external electric and magnetic fields are discussed for gases consisting of linear, spherical top and symmetric top molecules.
Journal ArticleDOI
Effect of spin polarization on the thermal conductivity of polyatomic gases
TL;DR: In this article, the thermal conductivity and Eucken factor of a polyatomic gas were analyzed in terms of experimentally accessible quantities, including the effects of spin polarization (molecular angular momentum).
Journal ArticleDOI
Model Calculations of Transport Coefficients for Diatomic Gases in an External Magnetic Field
E. R. Cooper,D. K. Hoffman +1 more
TL;DR: In this article, the geometry of rigid, convex molecular models in collision is discussed and the transport coefficients of diamagnetic, diatomic gases are computed in field-free space and in a static field using these models.
Journal ArticleDOI
Kinetic theory of rotational relaxation in liquids: Smooth spherocylinder and rough sphere models
Glenn T. Evans,David R. Evans +1 more
TL;DR: In this article, the Enskog kinetic theory was used to calculate the collective second rank Legendre polynomial for a dense fluid with smooth spherocylinders and rough spheres.
Journal ArticleDOI
Heat conductivity of polar-nonpolar gas mixtures in an electric field
J.J. De Groot,J.W. Van Den Broeke,H.J. Martinius,C.J.N. Van Den Meijdenberg,J.J.M. Beenakker +4 more
TL;DR: In this article, the change of the heat conductivity due to an electric field parallel to the temperature gradient, Δλ//(E), has been measured with a hot-wire apparatus for the gaseous systems CHF3-N2, CH3F-N 2 and CH3CN N 2 at room temperature.
References
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Journal ArticleDOI
Microwave Spectra of the Free Radicals OH and OD
TL;DR: In this paper, the free OH radical was detected by Zeeman modulation and the experimental results were in agreement with theoretical expectations to about one part in 2000 which is the order of accuracy of the theory.
Journal ArticleDOI
Transport Properties of Polyatomic Fluids, a Dilute Gas of Perfectly Rough Spheres
TL;DR: In this article, a detailed account of the kinetic theory for a fluid composed of perfectly rough spheres is given, and it is shown that the nonequilibrium distribution function satisfies a non-self-adjoint integral equation.
Journal ArticleDOI
Heat conductivity and viscosity of a gas of non-spherical molecules in a magnetic field
H.F.P. Knaap,J.J.M. Beenakker +1 more
TL;DR: In this article, the authors extended the theoretical calculations of Kagan and Maksinov for the heat conductivity of a paramagnetic gas to the case of a nonparamagnetic gas both for heat and viscosity.
Journal ArticleDOI
Collision Integrals of a Gas of Rigid Convex Molecules
TL;DR: A review of the collision dynamics of rigid, smooth, and convex molecules with zero, two, or three collisionally active rotational degrees of freedom is given in this paper.
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