Evaluation of Some Physical and Frictional Properties Necessary for Optimum Kernel Recovery in the Dry-Cracking of Ogbono (Irvingia) Nuts

  IJRES-book-cover  International Journal of Recent Engineering Science (IJRES)          
  
© 2022 by IJRES Journal
Volume-9 Issue-6
Year of Publication : 2022
Authors : Egbe Ebiyeritei Wisdom, Tariebi Karikarisei, Ifiemi Tulagha
DOI : 10.14445/23497157/IJRES-V9I6P103

How to Cite?

Egbe Ebiyeritei Wisdom, Tariebi Karikarisei, Ifiemi Tulagha, "Evaluation of Some Physical and Frictional Properties Necessary for Optimum Kernel Recovery in the Dry-Cracking of Ogbono (Irvingia) Nuts," International Journal of Recent Engineering Science, vol. 9, no. 6, pp. 11-16, 2022. Crossref, https://doi.org/10.14445/23497157/IJRES-V9I6P103

Abstract
Since cracking nuts requires a lot of labor and frequently results in damaged kernels, this strategy typically reduces the product's market value. In order to examine the possibilities of developing their equipment for handling and processing, the physical and frictional properties were determined for moisture contents of 8.1, 9.7, 10.2, 11.0, and 11.4% wet basis. The size of the seed was measured using a Venier caliper. Investigated were the aspect ratio, seed surface area, seed volume, bulk density, true density, and angle of repose. The results demonstrate that its major, intermediate, and minor diameters ranged from 3.60 cm to 5.0 cm, 4.50 cm to 2.70 cm, and 3.20 cm to 2.0 cm, respectively. Additionally, its seed volume ranged from 8.55-26.86 cm3 , surface area ranged from 19.11 cm to 47.94 cm2 , and equivalent diameter ranged from 4.22 cm to 8.49 cm, and true and bulky density polynomially increased from 3.64 g/cm2 to 4.33 g/c. As the frictional properties were investigated, it was discovered that the coefficient of static friction increased from 0.60-0.90 (plywood), 0.50-0.82 (mild steel), 0.37-0.70 (glass), and 0.30 to 0.64 (plastic), with plywood providing the highest range of values. This implies that mild steel construction equipment used the most power, followed closely by plywood-built machinery. Designers should use this study's results to qualitatively produce effective and efficient equipment for Dika seeds handling, processing, drying, storing, and cracking kernels.

Keywords
Irvingia nut, Regression equation, Moisture content, Physical properties, Frictional properties.

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