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A motorized device for cracking pre-treated dika nuts CIGR Journal
Ogundahunsi, Olufemi Emmanuel; Ogunsina, Babatunde Sunday; Ibrahim, Raheem O..
Cracking of dika nut has presented serious challenges to local processors considering the arduous task it constitutes during processing.  A motorized machine that is capable of multiple cracking of dika nuts was designed, fabricated and tested. The major components of the machine include a sliding hammer, a gear unit, a chain conveyor and cracking trays.  The experimental machine was evaluated on the basis of cracking efficiency and throughput considering three types of pre-treated nuts (sun-dried, oven-dried and roasted) and two nut sizes (small and big).  The cracking efficiency and throughput were: 65% and 8.84kg/h, 63% and 7.75kg/h, 45% and 5.67 kg/h for roasted, oven-dried and sun-dried small nuts; while the corresponding values for big nuts were: 72%...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Post harvest technology; Processing machines motorized; Machine; Dika nut; Cracking.
Ano: 2016 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3614
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Effect of moisture content on physical properties of bush mango (Irvingia gabonensis) nut CIGR Journal
AVIARA, NDUBISI A.; iyilade, Idowu A.; Aremu, Ademola K; Oyeniyi, Samuel K.
The effect of moisture content on some physical properties of Bush Mango (Irvingia gabonensis) nut was studied at four moisture levels in the range of 7.52% - 20.6% (d.b). Results showed that the length, width and thickness of nut increased from 37.84 to 50.16 mm, 30.23 to 42.62 mm and 19.25 to 28.15 mm respectively, as moisture content increased in the above range. Nut sphericity decreased from 76.2% to 69.5% as moisture content increased. One thousand seed weight, bulk density, true density and angle of repose increased from 6.634 to 9.158 kg, 756.7 to 1095 kgm-3, 984.4 to 1095kgm-3 and 25.3 to 38.9o respectively, in the above moisture range. Static coefficient of friction on different surfaces increased in the order of fiber glass (0.378 to 0.394),...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agricultural Engineering; Post harvest Technology; Crop Processing Moisture content; Dika nut; Irvingia gabonensis; Size; Shape; Gravimetric; Frictional properties.
Ano: 2019 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/5089
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