Optimizing the adhesion of soil-touching parts based on biomimetic concepts using the Taguchi method

Several studies highlighted that the surface shape modifications which are inspired by the soil-burrowing animals have positively impacted the soil-tool adhesion; however, it is still unclear what the optimum dimensions of the domed surface are for minimizing soil-tool adhesion. In this study, twent...

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Bibliographic Details
Published in:International journal of agricultural and biological engineering 2022, Vol.15 (1), p.147-154
Main Authors: El. Salem, Abouelnadar, Zhang, Guozhong, Anwer Mahmoud Abdeen, Mohamed, Wang, Hongchang, Gao, Yuan
Format: Article
Language:English
Subjects:
Adhesion
Biomimetics
Design of experiments
Design parameters
Discus patulus
Domes
Efficiency
Energy consumption
Farm machinery
Flat surfaces
Laboratories
Loam soils
Moisture content
Optimization
Orthogonal arrays
Rheology
Signal to noise ratio
Soil conditions
Soils
Taguchi methods
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Summary:Several studies highlighted that the surface shape modifications which are inspired by the soil-burrowing animals have positively impacted the soil-tool adhesion; however, it is still unclear what the optimum dimensions of the domed surface are for minimizing soil-tool adhesion. In this study, twenty-seven domed discs were created according to Taguchi orthogonal array L27(33) to determine the optimum dimensions of the domed surface that minimize normal adhesion force and disc sinkage simultaneously, as well as comparing the effect of the optimized domed disc versus the flat disc on the normal adhesion force under different soil conditions. The results revealed that disc coverage ratio and dome height to diameter ratio are essential to design parameters that influence the normal adhesion force of discs. According to the signal-to-noise ratio analysis, it was observed that the combination of 60% disc coverage ratio, 25% dome height to diameter ratio, and 10 mm dome base diameter was found to be the most appropriate for the well-balanced improvement of both normal adhesion force and disc sinkage simultaneously. In all treatments, the optimized domed disc produced less normal adhesion force than the flat disc (about 7%-18%, according to soil condition). It can be concluded that properly designed domed surfaces can significantly reduce the normal adhesion force when compared to flat surfaces.
ISSN:1934-6344
1934-6352
DOI:10.25165/j.ijabe.20221501.6147