Optimization of the Separation Parameters and Indicators of Separation Efficiency of Buckwheat Seeds
Abstract
:1. Introduction
2. Materials and Methods
- cylinder working length | 484 mm, |
- external diameter of cylinder rings | 270 mm, |
- distance between the edge of the trough and the cylinder | 10.0 mm, |
- inclination angle of the cylinder axis in the direction of the seed outlet | 3°, |
- motor output | 0.8 kW, |
- frequency converter | INVERTRON GM1-S13. |
- diameter of grooves with PVC tubing | 13.5 mm, |
- cylinder’s internal diameter | 245 mm, |
- number of bars forming the cylinder’s lateral surface | 48, |
- width of the separating groove | 3.1 mm. |
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- angle of the working edge of the trough (αr)—from 95 to 125°, in steps of 5°,
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- cylinder’s kinematic index (k)—from 0.15 to 0.55, in steps of 0.1.
- -
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- a command interpreter of mathematical expressions based on the Reverse Polish Notation method [18],
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- a module for 2D and 3D visualization of the solution space based on the OpenGL low-level graphics library,
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- a computing module based on genetic algorithm data.
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- the appropriate forms of the objective function (stochastic models) were found,
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- the search intervals (range of parameters) for the task were defined at αr <95°; 125°> and k <0.15; 0.55>,
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- the direction of the optimization process (minimum or maximum) was selected,
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- constraint functions (number of generations or time) were defined.
3. Results and Discussion
4. Conclusions
Author Contributions
Conflicts of Interest
References
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Working Surface in a Separator | Regression Equation |
---|---|
Cylinder with grooves | |
= 116.85 − 4.54·αr + 436.82·k + 0.04·αr2 − 4.53·k·αr | |
Grooveless cylinder | |
= − 242.07 + 0.03·αr2 + 837.27·k − 8.81·k·αr |
Separator | Suboptimal Values [2] | Values Optimized in Self-Designed Software | ||||
---|---|---|---|---|---|---|
Indicators of Separation Efficiency | Working Parameters | Indicators of Separation Efficiency | Working Parameters | |||
k [−] | αr [°] | k [−] | αr [°] | |||
with a grooved cylinder | εs = 0.63 | 0.35 | 110 | εs = 0.67 | 0.52 | 104 |
Z = 13.96 | Z = 9.52 | 0.52 | 103 | |||
with a grooveless cylinder | εs = 0.92 | 0.25 | 105 | εs = 0.96 | 0.27 | 107 |
Z = 6.41 | Z = 3.83 | 0.23 | 103 |
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Konopka, S.; Choszcz, D.J.; Markowski, P. Optimization of the Separation Parameters and Indicators of Separation Efficiency of Buckwheat Seeds. Sustainability 2017, 9, 2134. https://doi.org/10.3390/su9112134
Konopka S, Choszcz DJ, Markowski P. Optimization of the Separation Parameters and Indicators of Separation Efficiency of Buckwheat Seeds. Sustainability. 2017; 9(11):2134. https://doi.org/10.3390/su9112134
Chicago/Turabian StyleKonopka, Stanisław, Dariusz Jan Choszcz, and Piotr Markowski. 2017. "Optimization of the Separation Parameters and Indicators of Separation Efficiency of Buckwheat Seeds" Sustainability 9, no. 11: 2134. https://doi.org/10.3390/su9112134