Flow properties of DDGS with varying soluble and moisture contents using jenike shear testing
作者： V. Ganesan , K. Muthukumarappan , K.A. Rosentrater
DOI: 10.1016/J.POWTEC.2008.02.003
关键词: Water content 、 Caking 、 Geotechnical engineering 、 Yield (engineering) 、 Moisture 、 Distillers grains 、 Composite material 、 Lubricant 、 Shear stress 、 Direct shear test 、 Materials science 、 General Chemical Engineering
摘要: Distillers dried grains with solubles (DDGS) are an excellent source of energy, minerals, and bypass protein for ruminants used in monogastric rations as well. With the remarkable growth US fuel ethanol industry past decade, large quantities distillers now being produced. Flow DDGS is often restricted by caking bridging during its storage transportation. In our previous works, Carr powder tester was to measure various flow properties DDGS. The objective this study (cohesion, effective angle friction, internal yield locus, function, major consolidating stress, unconfined strength) using Jenike shear tester. This work investigated influence four levels (10, 15, 20, 25% db) five moisture content 25, 30% on resulting increase soluble levels, function curves shift anticlockwise direction towards stress (σc) axis. Depending level, above certain contents, actually began acting a lubricant, easing Also, higher compressibility found increase. Overall, classified cohesive material, it likely produce arching problems.
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