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Friction Of Wheat: Grain-On-Grain And On Corrugated Steel, Marek Molenda, Jozef Horabik, I. Joe Ross, Michael D. Montross
Friction Of Wheat: Grain-On-Grain And On Corrugated Steel, Marek Molenda, Jozef Horabik, I. Joe Ross, Michael D. Montross
Biosystems and Agricultural Engineering Faculty Publications
Coefficients of friction of wheat for grain–on–grain and on galvanized corrugated steel sheet were investigated using a modified direct shear apparatus. Tests were conducted under a normal pressure of 20.7 kPa using soft red winter wheat at a moisture content of 11.2% (w.b.) and an uncompressed bulk density of 740 kg/m3. Three consolidation procedures and three methods of deposition of grain in the test chamber were used. Test results of grain–on–grain friction showed that consolidation procedure markedly influenced the force–displacement relationship, while its influence on the coefficients of friction were small. Shearing to peak strength as a consolidation …