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Keywords = pecan cracking

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11 pages, 43616 KiB  
Article
The Effect of Impactor Geometry on End-to-End Pecan Cracking
by Mark W. Jackson, Cody M. Langston, Leah E. Madsen and R. Benjamin Davis
AgriEngineering 2024, 6(3), 2470-2480; https://doi.org/10.3390/agriengineering6030144 - 30 Jul 2024
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Abstract
During the industrial pecan shelling process, kernels are often damaged. To address this problem, a study is conducted to experimentally determine improved impactor geometries for end-to-end pecan cracking. Four impactors of varying internal angles (from 30° to 52.5°, in increments of 7.5°) are [...] Read more.
During the industrial pecan shelling process, kernels are often damaged. To address this problem, a study is conducted to experimentally determine improved impactor geometries for end-to-end pecan cracking. Four impactors of varying internal angles (from 30° to 52.5°, in increments of 7.5°) are tested. After cracking, the pecans are passed through an image analysis software designed to detect and measure cracks in their shells. These measurements help classify each pecan into one of four categories: under crack, standard crack, ideal crack, or over crack. Cracked and ideally cracked pecans are preferred for their processability, so the impactor geometries are then evaluated based on their ability to maximize these crack types across the widest impact energy range. For the four impactors tested, the 30° impactor is found to more consistently produce preferred cracks in a larger energy range relative to the other impactors. Full article
(This article belongs to the Section Pre and Post-Harvest Engineering in Agriculture)
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