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Application of the physical properties of local cowpea varieties in the development of a multi-variety cowpea cleaner

Author

Listed:
  • Babatunde Olusola Adetifa

    (Department of Agricultural Engineering, Faculty of Engineering, College of Engineering and Environmental Studies, Olabisi Onabanjo University, Ago Iwoye, Ogun State, Nigeria)

  • Elizabeth Ayobami Olumomi

    (Department of Agricultural Engineering, Faculty of Engineering, College of Engineering and Environmental Studies, Olabisi Onabanjo University, Ago Iwoye, Ogun State, Nigeria)

  • Taiwo Moses Samuel

    (Department of Agricultural Engineering, Faculty of Engineering, College of Engineering and Environmental Studies, Olabisi Onabanjo University, Ago Iwoye, Ogun State, Nigeria)

  • Ayoola Abiola Babalola

    (Department of Agricultural Engineering, Faculty of Engineering, College of Engineering and Environmental Studies, Olabisi Onabanjo University, Ago Iwoye, Ogun State, Nigeria)

Abstract

Cowpea, an annual legume widely grown and consumed in Nigeria, has been observed to contain between 27-33% impurities when freshly harvested and threshed. This poses a threat to humans when consumed and in large-scale agricultural processing. Therefore, this study is aimed at developing and evaluating the performance of a multi-variety cowpea cleaner (MVCC). Using standard methods, some selected engineering properties of the cowpea varieties were examined and used in the design of the MVCC. The cowpea had a moisture content of 8-14%, depending on the locations and varieties. Other properties investigated include the length, width, thickness, sphericity, geometric mean diameter, unit volume, arithmetic mean diameter, aspect ratio, surface area, unit weight, true density, terminal velocity, and angle of repose. The MVCC comprised the hopper, winnower, cleaning unit, fan assembly, and frame. The performance of the MVCC was also evaluated. The efficiency of separating good products of honey, drum, and Sokoto White beans was 95, 91, and 84%, respectively, while separating bad products was 87, 94, and 96%, respectively.

Suggested Citation

  • Babatunde Olusola Adetifa & Elizabeth Ayobami Olumomi & Taiwo Moses Samuel & Ayoola Abiola Babalola, 2024. "Application of the physical properties of local cowpea varieties in the development of a multi-variety cowpea cleaner," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 70(2), pages 82-91.
    • Handle: RePEc:caa:jnlrae:v:70:y:2024:i:2:id:51-2023-rae
    DOI: 10.17221/51/2023-RAE
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    References listed on IDEAS

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    1. Oleksii Parniakov & Nikolai Lebovka & Artur Wiktor & Martina Comiotto Alles & Kevin Hill & Stefan Toepfl, 2022. "Applications of pulsed electric fields for processing potatoes: Examples and equipment design," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 68(2), pages 47-62.
    2. Olajide Ayodele Sadiku & David Omogunsoye, 2021. "Moisture - Influenced friction properties of ackee apple (Blighia sapida) seeds," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 67(1), pages 26-33.
    3. J.C. Ehiem & V.I.O. Ndirika & U.N. Onwuka, 2016. "Effect of moisture content on some physical properties of Canarium schweinfurthii Engl. fruits," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 62(4), pages 162-169.
    4. Arie Sudaryanto & Dadang Dayat Hidayat & Diang Sagita & Ashri Indriati & Ari Rahayuningtyas, 2022. "Engineering properties of the cashew nut in context of designing post-harvest handling and processing machinery," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 68(4), pages 201-209.
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