STUDIES ON MULTICOMPONENT SOLIDS MIXING AND MIXTURES .1. ESTIMATION OF A MIXING INDEX FROM CONTACT NUMBER FOR A HOMOGENEOUS MIXTURE

The concept of the contact number is extended to a multicomponent solids mixture in the completely mixed state. This paper presents an estimation of the mean contact number by measuring the concentration of particles by spot sampling. This paper also reports the mean contact numbers and their precision determined from the computer simulation of mixtures with their regular packing arrangements at different concentrations of the key component. The number of spot samples necessary for a specified value of the relative standard error is also derived. All equations derived here are induced to the corresponding expressions for two-component mixtures. © 1979.