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Okeke, C. G.
Department of Mechatronics Engineering, Enugu State University of Science and Technology, Enugu State, Nigeria
Egwuagu, O. M.
Department of Mechatronics Engineering, Enugu State University of Science and Technology, Enugu State, Nigeria
Okpala, C. C.
Department of Industrial/Production Engineering, Faculty of Engineering, Nnamdi Azikiwe University Awka, Anambra State, Nigeria
ABSTRACT
The
response surface methodology was used to predict the maximum compressive and
rupture strength of African mango nuts for apt choice and/or fabrication of the
nut cracking machines to lessen seed injury, limit energy wastage, and progress
the processing operation. The compression and rupture process of the African
mango nut was accomplished at selected moisture contents (10, 15, and 20 %)
with designated sizes (3.24, 3.42, and 3.49 cm) and surface areas of 8.66,
10.99, and 11.11cm2. Cracking of African mango nut requires compressive
strength ranging from 26700.72N/mm2 – 475804.76 N/mm2 for nuts of sizes between
3.24 - 3.49 cm, and surface areas varying from 8.66 - 11.11cm2 under moisture
content ranging from 10 - 20 %. Irrespective of size and surface area, the
highest compressive strength was obtained when the nuts were compressed at a
10% moisture content level, while the lowest compressive strength was observed
at 20%. A quadratic model supervened significance for the response (P
Keywords: African mango, machines, response surface, processing operation, rupture strength
https://doi.org/10.33922/j.ujet_v11i1_12
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Published
Monday, February 03, 2025
Issue
Vol. 11 No. 1, June 2025
Article Section
GENERAL
The contents of the articles are the sole opinion of the author(s) and not of UJET.
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