Abstract            Volume:13  Issue-1  Year-2025         Original Research Articles

Online ISSN : 2347 - 3215 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcret@gmail.com

The study was conducted at Melkassa Agricultural Research Center's agricultural engineering research process to fabricate and test sorghum dehuller. An electric motor-driven dehuller was developed and tested in the AIRIC workshop using locally available materials. Hopper, barrel, abrasive disk, power shaft, spacers, aspiration unit, frame, and the motor are the main components of the prototype. Sorghum dehulling in Ethiopia is most commonly done traditionally by using a mortar and pestle, which is tedious and time-consuming. In fact, the aim of traditional practice is primarily to remove the unthreshed grain husk determinant factor of injera quality rather than removing seed coat from endosperm. A factorial experimental design was used during performance evaluation by considering grain inlet and outlet openings as factors at three levels. Melkam, widely promoted and available variety at farmers hands, was used for evaluation. A sample with recommendable moisture content was fed into the barrel when the disk attained its maximum rpm and replicated three times. The test result showed an average dehulling efficiency of 92.59%, a dehulling capacity of 18.18 quintals/hr., a throughput capacity of 20.82 quintals/hr., and a cleaning efficiency of 94.43 %.

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