Distribution Functions Of Mixtures Research Articles

Perturbation calculation of the distribution functions of mixtures of hard spheres

The distribution functions for a mixture of additive hard spheres of diameter σii are calculated by means of an expansion in powers of σ ij n - dn , using an unperturbed single-component hard-sphere fluid of diameter d. Although the expansion converges only when the hard spheres in the mixture are nearly equal in size, it is useful because it is the only practical scheme available for obtaining the distribution functions of multicomponent hard-sphere mixtures.

Experimental Investigation of Normal Shock Wave Velocity Distribution Functions in Mixtures of Argon and Helium

The electron beam fluorescence technique for measuring simple one-dimensional moments of helium velocity distribution functions has been extended for use with argon. Measurements made in argon-helium gas mixture shock waves at low Mach numbers are presented. Parallel and perpendicular temperature profiles are shown for each gas. Macroscopic velocities for each gas were measured by determining the blue shifts in the line profiles when the line of sight was directly upstream. The results are compared with existing theories and other experimental results.