| Autor: |
Zinash Delebo Osunde, Adeshina Fadeyibi, E.C. Evans, Gbabo Agidi |
| Rok vydání: |
2014 |
| Předmět: |
|
| Zdroj: |
Journal of Food Engineering. 129:38-46 |
| ISSN: |
0260-8774 |
| DOI: |
10.1016/j.jfoodeng.2014.01.006 |
| Popis: |
A research was conducted to determine the flow and strength properties of cassava and yam starch–glycerol composites for their application in the design of hopper or any other storage bin, with a consistent flow during the handling of the granular solids, in the food industry. The flow and strength properties of the bulk materials which include the consolidation, shear and unconfined yield stresses were determined at different bulk densities and glycerol concentrations in the range of 1.5–3.0 g/cm3 and 15–25 ml glycerol per 100 g starch using a uniaxial compression test. The flowability of the bulk solids were classified using Jenike’s flow specifications. The angles of internal and wall frictions of the bulk solids were determined from their yield loci. The hopper half angles were determined from the conical hopper design chart; and the friction factors, which account for the vibration in the arch thickness and the geometric configuration of the composites, were computed empirically. The results show that the compressive strength of the cassava and yam starch–glycerol composites increased significantly with an increase in bulk density and a decrease in the glycerol concentration (p |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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