Influence of aerodynamic factors on the performance of vibratory-friction seed separation for small-seeded crops
DOI:
https://doi.org/10.31359/2311.441X.2026.28.30Keywords:
seeds, vibratory-friction separation, efficiency, separation efficiency, motion dynamics, alternating airflow, aerodynamic screenAbstract
Abstract. Two parallel working surfaces of a vibratory-friction seed separator form a flat air channel in which a complex alternating airflow is generated during operation. The velocity field in the working zone varies periodically, resulting in a non-uniform distribution of pressure and airflow velocities in the interplanar space. It has been established that the alternating airflow significantly affects the motion dynamics of seeds, especially small seeds with pronounced aerodynamic properties. In such cases, seed suspension above the working surface may occur, leading to a reduction in friction forces and deterioration of separation quality due to mixing of fractions. Thus, improving the efficiency of separation of small-seeded materials by considering aerodynamic factors and substantiating the design and operating parameters of the vibratory-friction separator is an актуальний scientific and applied task for agro-industrial production.
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12. Antoshchenkov, R.V., Nykyforov, A.O., Halych, I.V., Tolstolutskyi, V.V., Antoshchenkova, V.V., & Diundik, S.O. (2020). Solution of the system of gas-dynamic equations for the processes of interaction of vibrators with air. Eastern-European Journal of Enterprise Technologies, 2(7(104)), 67–73.
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