Prediction of Seed Flow Rate of a Multi-Slot Rotor Feeding Device of a Corn Planter
Journal Title: Journal of Agricultural Machinery - Year 2021, Vol 11, Issue 1
Abstract
In this study, a model was developed for predicting the seeding rate of corn seeds of a typical row-crop planter equipped with a multi-slot feeding device. To this, nine multi-slot rotors (with 4, 5 and 6 slots in three angles of mouth including 23°, 25° and 27°) were designed and manufactured. Tests were carried out at four levels of angular velocity of 40, 52, 62 and 78 rpm on grease belt moving at constant speed of 3.5 km h-1. Tests were completed in three replications. Discharge flow rate was measured and recorded for each treatment. The data were used to develop a model which can be used for predicting the seeding rate under various numbers of slot, mouth angle and rotor angular velocity. According to the results, angle mouth of slots, number of slots, angular velocity and the dual interaction between them showed increasing effects on weight flow rate of seeds (P-value<0.01). In the next step, raw data were used to develop the two desired models: based on the dimensional analysis technique and response surface methodology (RSM). The models outputs were compared to experimental data. The standard error of estimate for flow rate for dimensional analysis and response surface methodology (RSM) were 68.13 mm3 s-1 and 475.59 mm3 s-1, respectively. The dimensional analysis model was closer to experimental data rather than the RSM method. Thus, to predict the volume flow rate of seed, the dimensional analysis model is recommended.
Authors and Affiliations
H. Balanian,S. H. Karparvarfard,A. Mousavi Khanghah,M. H. Raoufat,H. Azimi-Nejadian,
Keywords
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- EP ID EP717980
- DOI https://doi.org/10.22067/jam.v11i1.79992
- Views 26
- Downloads 0
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