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1 ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes

1 2016

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A unified model of a spinning disc centrifugal spreader

Przystupa W., Kostrzewa M., Murmyło M.

ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes

2016

Vol. 5, No 3

123--130

A mathematical model was built of the motion of fertilizer particles on the spinning disc and in the air. The Langevin’s stochastic differential equation was applied to describe the random disturbances affecting fertilizer particles moving on the disc spreader. The verification of experimental results showed good agreement with the simulation results obtained from the stochastic model. Our results bring new cognitive value in the field of process modeling of mineral fertilizers spreading with disc spreaders and can be used to improve the existing spreaders as well as to design new ones.