Abstract
The aim of this study is to solve the problem of bulk cargo preparation by bringing its parameters, namely temperature and moisture to safe standard conditions for maritime transport by developing a mathematical model of drying, which will improve drying equipment control methods and optimize drying parameters to ensure energy-saving modes of operation of technological equipment. It is determined that the largest volume of bulk cargo is wheat grain among the bulk cargoes transported by vessel. Safe transportation of grain in bulk mainly depends on the conditional quality of grain at the time of loading on the ship, which is achieved by pre-drying the grain at the port facilities.
In this study, a continuous mathematical model of the grain drying process is obtained, based on heat and mass transfer equations, which makes it possible to predict changes in grain moisture taking into account the influence of thermophysical and thermodynamic properties of grain.
Based on a continuous mathematical model, a discretized mathematical model using the finite difference method and a model of the dynamics of the drying process in the state space using the linearization method by decomposing a nonlinear model into a Taylor series was developed and then was implemented in Mathcad. The experimental study was performed on research equipment, which showed the dependence of temperature and moisture of grain on time during drying. Analysis of the calculated errors of the mathematical model proves its adequacy, which allows its further use to optimize the drying process.
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Polyvoda, O., Polyvoda, V. (2023). Mathematical Model of Preparing Process of Bulk Cargo for Transportation by Vessel. In: Babichev, S., Lytvynenko, V. (eds) Lecture Notes in Data Engineering, Computational Intelligence, and Decision Making. ISDMCI 2022. Lecture Notes on Data Engineering and Communications Technologies, vol 149. Springer, Cham. https://doi.org/10.1007/978-3-031-16203-9_3
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