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PERFORMANCE EFFICIENCY MODEL OF AN INTEGRATED PALM-NUT CRACKER AND KERNEL-SHELL SEPARATOR CIGR Journal
Alade, Eyitope Israel; Koya, Olufemi Adebola; Omidiji, Babatunde Victor.
A mathematical model for predicting the performance efficiency of an integrated palm-nut cracker and kernel-shell separator was developed using dimensional analysis based on Buckingham’s π theorem. The developed performance model was iterated in Matrix Laboratory (MATLAB), to predict the efficiencies, by varying the parameters of the materials in contact. The predicted performance efficiencies ranged between 88.26 – 99.98%, while the evaluated performance efficiencies were in the range of 56.16 – 96.57%. The correlation between the predicted and experimental numerical values using MINITAB 17 suggested relationship and validity of the developed model (optimum r2 = 99.6%).
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mechanical Engineering; Agricultural Engineering performance efficiency cracking efficiency separation efficiency dimensional analysis palm nut.
Ano: 2019 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/5369
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DEVELOPMENT OF A MODIFIED PALM-NUT CRACKER CIGR Journal
Alade, Eyitope Israel; Koya, Olufemi Adebola; Omidiji, Babatunde Victor.
This study examined the major shortcomings of conventional crackers, and developed a modified palm-nut cracker with the view of reducing the level of mechanical kernel damage. Equation relating the required speed for cracking operation and force requirement in fracturing the nut was expressed, and the force was experimentally determined before machine development. The machine was designed and fabricated based on standard engineering principles for part-sizing and selection of materials. The machine was tested with dura nuts classified into four groups of sizes and varied during experimentation. The performance evaluation of the machine show that cracking efficiency ranged between 86.10-97.27% at an average value of 4.49% kernel breakage and whole kernels...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mechanical Engineering; Agricultural Engineering Palm-nut cracker nut cracking feed rate cracking efficiency performance evaluation.
Ano: 2020 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/5466
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