Abstract
The purpose of this study is to analyse the distribution pattern of centrifugal fertiliser distributor with two shutter holes and obtain the optimal position of the shutter holes for improved distribution uniformity. A simulation model of the centrifugal fertiliser distributor was generated by discrete element method (DEM). The behaviour of fertiliser particles on the spinner was analysed by the simulation and the simulation model was verified through a stationary distribution pattern test. The distributor design was modified using the verified simulation model to improve the distribution uniformity. The simulation results of the existing fertiliser distributor showed the amount of fertiliser applied on the right side of the machine was 1.59 times higher than the amount applied on the left (R/L ratio) and the coefficient of variation (CV) was 34.88% at stationary condition indicated non-uniform fertiliser distribution. As the position of the shutter holes was moved in the direction of rotation of the spinner (i.e. clockwise) the amount of fertiliser distributed towards the right side decreased. The shutter hole position accordingly adjusted to improve fertiliser distribution uniformity. When the optimal position of the shutter hole was used under stationary condition, the R/L ratio was close to 1.0, whilst the CV value decreased by approximately 50%. The optimal solution was also suitable during continuous application when applying at a width of 8 m since CV values were
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.