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The paper presents results of concentration changes in cohesionless sand during dynamic mass flow in a rectangular model silo composed of a bin and hopper. Electrical capacitance tomography (ECT) was used. Sensors were located outside the silo along both the periphery and height. Local horizontal one-dimensional and cross-sectional two-dimensional evolutions of solid concentrations in dry sand during...
Paper will focus on the results of tests with the slender cylindrical silo emptied both gravitationally and in controlled manner. The influence of the initial density, wall roughness, height and velocity on the emptying process will be presented. During tests values of the vertical and horizontal accelerations on the silo wall were measured, the effect of the outlet velocity and level of the dynamic...
This paper is focused on the application of Electrical Capacitance Tomography (ECT) to gravitational flow of bulk solid in rectangular silo investigation. In order to measure the materials distribution inside a vessel, a dedicated, spatial 16 electrode sensor is designed. Reconstructed images are presented in 3D domain space. The investigated silo model consists of rectangular bin and a cone-like...
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