Abstract
One of the most significant problems that belong to effective use of granular materials GM (for example, in the construction, pharmacological, chemical, agricultural and some other industries, as well as in the technologies of screening against internal radiation) is the difficulty of ensuring their maximum compaction in order to increase the efficiency of their practical application. In this way, we study of the properties of binary granular systems, the dynamics of their compaction and the impact on this process of the ratio of component sizes and partial parameters in order to provide an innovative step in the development of appropriate technologies. To this end, we propose to use the apparatus of Kirkwood-Buff theory in combination with model equations of state, like Carnahan-Starling, together with relevant phenomenological information, which obtained from direct observations. We report theoretically the fundamental possibility of increasing the degree and speed of packaging and at first describe substantiate empirical data in the full range of values of the volume (or molar) fraction.
Highlights
Among the typical problems of environmental protection technologies, we deal with multicomponent, polydisperse, multiparameter systems that perform an insulating, protective function
In this paper, being based on the apparatus of Kirkwood-Buff theory, model Carnahan-Starling equation of state and relevant experimental data we study theoretically the macroscopic parameters of bidispersed micro-mechanical mixture in order to build algorithm for practical describing and parameterizing their physical and mechanical characteristics in terms of its partial properties depending from the volume fraction of one of the component
Based on the analysis of experimental data we study theoretically the dynamics of compaction of the binary granular systems
Summary
Among the typical problems of environmental protection technologies, we deal with multicomponent, polydisperse, multiparameter systems that perform an insulating, protective function. The understanding of the principles due to which the basic parameters of such systems are formed is based on theoretical models that allow to treat the measurement data in terms of quantities that characterize the individual pure components (reference data). The construction of such a models is a very difficult task and, first, requires phenomenological information from several alternative sources. In this paper, being based on the apparatus of Kirkwood-Buff theory, model Carnahan-Starling equation of state and relevant experimental data we study theoretically the macroscopic parameters of bidispersed micro-mechanical mixture in order to build algorithm for practical describing and parameterizing their physical and mechanical characteristics in terms of its partial properties depending from the volume (or molar) fraction of one of the component.
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