Abstract
Modern needs of technologies, machinery and equipment of the agro-industrial complex make it necessary to solve the issues of cleaning diesel fuels from mechanical impurities. However, the existing designs of standard filters containing replaceable filter elements have a small resource and do not always meet the requirements of efficient fuel purification, as a result of which the possibility of sudden failures of mechanization means is not excluded. In order to evaluate the effectiveness of the use of a multichannel hydrodynamic filter of the original design, theoretical studies of the process of preliminary purification of diesel fuel by this device from solid polydisperse particles of pollution have been carried out. As a result of the research, for the first time, the possibility of using a stochastic approach to describe the process of pre-purification of fuel in a hydrodynamic filter with conical filter elements in various operating modes has been confirmed. A stochastic model of the process under study has been developed. It is theoretically shown that the preliminary purification of fuel in a multichannel hydrodynamic filter with conical filter elements can be described using stationary solutions of the Foker- Planck-Kolmogorov equation. The main parameters and dimensionless complexes, taking into account the features of the description of the process of preliminary hydrodynamic fuel cleaning in conical filter elements, taking into account the influence of random components, are found.
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