Research Article
Year 2023,
Volume: 4 Issue: 1, 46 - 60, 30.06.2023
Abstract
The transmission system of the thresher was developed to suit the process of threshing cowpea seeds. The developed thresher included substantial modifications to the threshing concaves, threshing fan, and threshing drum. The speed of the threshing sieve, suction, and fan were increased while the drum speed was decreased. Concave hole diameters of 20, 24, and 28 mm; drum speeds of 17, 23, and 29 m s-1; and feed rates of 360, 540, and 720 kg h-1 were studied. Threshing efficiency, seed damage, losses of seed, and power requirements were computed. The main findings revealed that increasing the diameter of the concave holes increased threshing efficiency and seed losses while decreasing seed damage and power requirements. Increasing drum speed increases threshing efficiency, reduced seed damage, and lower power requirements while decreasing seed losses. The maximum threshing efficiency reached was 96.75%, while the seed loss was 4.25%, with a minimum seed damage of 1.18%. The power requirement was 7.38 kWh ton-1 at a moisture content of 14.6%. The operating costs using the developed threshing machine were decreased to 71.33 USD ha-1 instead of the manually threshed cowpea, which costs about 111 USD ha-1.
Supporting Institution
Agricultural Engineering Research Institute (AENRI), Agricultural Research Center (ARC), Dokki, Giza, Egypt
Project Number
None
Thanks
Many thanks
References
- Adekanye, TA and Olaoye JO (2013). Performance evaluation of motorized and treadle cowpea threshers. Agricultural Engineering International: CIGR Journal, 15(4): 300-306.
- Ajav E A, and Adejumo B A (2005). Performance evaluation of an okra thresher. Agricultural Engineering International: CIGR Journal Vol 7, pp 1-8.
- AOAC (1990). Association official Analytical chemists. 15th edn. Wash. Dc, U.S.A. https://doi.org/10.1002/0471740039.vec0284
- Arazu AV (2017). Comparative studies on the effects of different modifications on the cold water solubility of starch from selected underutilized legumes. (Doctoral dissertation).
- Asante EA, Kallai WK, Bonney J, and Amuaku R (2017). Performance evaluation of a cowpea thresher at various moisture contents. International Journal of Technology and Management Research, 2(2): 32-37. https://doi.org/10.47127/ijtmr.v2i2.55
- Ayenan MAT, Ofori K, Ahoton LE and Danquah A (2017). Pigeonpea [(Cajanus cajan L. Millsp.)] production system, farmers’ preferred traits and implications for variety development and introduction in Benin. Agriculture & Food Security, 6(1): 1-11.
- Dauda A (2001). Design, construction and performance evaluation of a manually operated cowpea thresher for small scale farmers in Northern Nigeria. AMA, 32(4):47-49.
- Desta K and Mishra TN (1990). Development and performance evaluation of a sorghum thresher. AMA, 21(3): 33-37.
- Herbek JH and Bitzer MJ (2004). Soybean production in Kentucky: Part V- Harvesting, drying, storage, and marketing. Lexington, Ky. Cooperative Extension Service Bulletin AGR 132.
- Hunt D (1983). Farm power machinery management. Eighth edition Iowa State Univ Press Ames. 3-6.
- Irtwange SV (2009). Design, fabrication and performance of a motorized cowpea thresher for Nigerian small-scale farmers. African Journal of Agricultural Research, 4(12): 1383-1391.
- Morad MM, El-Kot AS, Ali MM and Salem HM (2007). Study on the mechanization of cowpea crop production under Egyptian conditions. Misr Journal of Agricultural Engineering, 24(3): 450-468.
- Ndirika VIO (1994). Development and performance evaluation of a millet thresher. Journal of Agricultural Technology, 20-26.
- Oduma O, Nwakuba NR, and Igboke ME (2014). Performance evaluation of a locally developed pigeon pea thresher. International Journal of Applied Science, Technology and Engineering Research 3(2): 20-31.
- Onuoha SN, Enaboifo MA, and Ibrahim R (2022). Development of cowpea thresher. Nigerian Journal of Technology, 41(2): 385-395. https://doi.org/10.4314/njt.v41i2.21
- Samuel B and Oseme OS (2021). Design and simulation analysis of cowpea dehulling machine. Global Journal of Engineering and Technology Advances, 7(2): 050-066. https://doi.org/10.30574/gjeta.2021.7.2.0069
- Timothy AA, and Olaoye JO (2013). Performance evaluation of motorized and treadle cowpea threshers. Agricultural Engineering International: CIGR Journal, 15(4): 300-306.
- Ukatu AC (2006). A modified threshing unit for soya beans. Biosystems Engineering, 95(3): 371-377. https://doi.org/10.1016/j.biosystemseng.2006.06.014
Year 2023,
Volume: 4 Issue: 1, 46 - 60, 30.06.2023
Abstract
Project Number
None
References
- Adekanye, TA and Olaoye JO (2013). Performance evaluation of motorized and treadle cowpea threshers. Agricultural Engineering International: CIGR Journal, 15(4): 300-306.
- Ajav E A, and Adejumo B A (2005). Performance evaluation of an okra thresher. Agricultural Engineering International: CIGR Journal Vol 7, pp 1-8.
- AOAC (1990). Association official Analytical chemists. 15th edn. Wash. Dc, U.S.A. https://doi.org/10.1002/0471740039.vec0284
- Arazu AV (2017). Comparative studies on the effects of different modifications on the cold water solubility of starch from selected underutilized legumes. (Doctoral dissertation).
- Asante EA, Kallai WK, Bonney J, and Amuaku R (2017). Performance evaluation of a cowpea thresher at various moisture contents. International Journal of Technology and Management Research, 2(2): 32-37. https://doi.org/10.47127/ijtmr.v2i2.55
- Ayenan MAT, Ofori K, Ahoton LE and Danquah A (2017). Pigeonpea [(Cajanus cajan L. Millsp.)] production system, farmers’ preferred traits and implications for variety development and introduction in Benin. Agriculture & Food Security, 6(1): 1-11.
- Dauda A (2001). Design, construction and performance evaluation of a manually operated cowpea thresher for small scale farmers in Northern Nigeria. AMA, 32(4):47-49.
- Desta K and Mishra TN (1990). Development and performance evaluation of a sorghum thresher. AMA, 21(3): 33-37.
- Herbek JH and Bitzer MJ (2004). Soybean production in Kentucky: Part V- Harvesting, drying, storage, and marketing. Lexington, Ky. Cooperative Extension Service Bulletin AGR 132.
- Hunt D (1983). Farm power machinery management. Eighth edition Iowa State Univ Press Ames. 3-6.
- Irtwange SV (2009). Design, fabrication and performance of a motorized cowpea thresher for Nigerian small-scale farmers. African Journal of Agricultural Research, 4(12): 1383-1391.
- Morad MM, El-Kot AS, Ali MM and Salem HM (2007). Study on the mechanization of cowpea crop production under Egyptian conditions. Misr Journal of Agricultural Engineering, 24(3): 450-468.
- Ndirika VIO (1994). Development and performance evaluation of a millet thresher. Journal of Agricultural Technology, 20-26.
- Oduma O, Nwakuba NR, and Igboke ME (2014). Performance evaluation of a locally developed pigeon pea thresher. International Journal of Applied Science, Technology and Engineering Research 3(2): 20-31.
- Onuoha SN, Enaboifo MA, and Ibrahim R (2022). Development of cowpea thresher. Nigerian Journal of Technology, 41(2): 385-395. https://doi.org/10.4314/njt.v41i2.21
- Samuel B and Oseme OS (2021). Design and simulation analysis of cowpea dehulling machine. Global Journal of Engineering and Technology Advances, 7(2): 050-066. https://doi.org/10.30574/gjeta.2021.7.2.0069
- Timothy AA, and Olaoye JO (2013). Performance evaluation of motorized and treadle cowpea threshers. Agricultural Engineering International: CIGR Journal, 15(4): 300-306.
- Ukatu AC (2006). A modified threshing unit for soya beans. Biosystems Engineering, 95(3): 371-377. https://doi.org/10.1016/j.biosystemseng.2006.06.014
There are 18 citations in total.
Details
| Primary Language | English |
|---|---|
| Subjects | Agricultural Engineering |
| Journal Section | Research Articles |
| Authors | |
| Project Number | None |
| Early Pub Date | June 25, 2023 |
| Publication Date | June 30, 2023 |
| Submission Date | March 20, 2023 |
| Acceptance Date | May 14, 2023 |
| Published in Issue | Year 2023 Volume: 4 Issue: 1 |
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