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The Application of Similarity Theory and Dimensional Analysis to the Study of Centrifugal-Rotary Chopper of Forage Grain

Author

Listed:
  • Wacław Romaniuk

    (Institute of Technology and Life Sciences—National Research Institute, Department of Rural Technical Infrastructure Systems, Warsaw Branch, Falenty, 3 Hrabska Avenue, 05-090 Raszyn, Poland)

  • Petr Savinykh

    (Federal Agrarian Scientific Center of the North-East Them. N.V. Rudnitsky, GNU NIISH-SH North-East Scientific and Research Institute of Agriculture, 166a Lenin St., 610016 Kirov, Russia)

  • Kinga Borek

    (Institute of Technology and Life Sciences—National Research Institute, Department of Rural Technical Infrastructure Systems, Warsaw Branch, Falenty, 3 Hrabska Avenue, 05-090 Raszyn, Poland)

  • Kamil Roman

    (Institute of Wood Sciences and Furniture, Warsaw University of Life Sciences, 166 Nowoursynowska St., 02-787 Warsaw, Poland)

  • Alexey Y. Isupov

    (Federal Agrarian Scientific Center of the North-East Them. N.V. Rudnitsky, GNU NIISH-SH North-East Scientific and Research Institute of Agriculture, 166a Lenin St., 610016 Kirov, Russia)

  • Aleksandr Moshonkin

    (Federal Agrarian Scientific Center of the North-East Them. N.V. Rudnitsky, GNU NIISH-SH North-East Scientific and Research Institute of Agriculture, 166a Lenin St., 610016 Kirov, Russia)

  • Grzegorz Wałowski

    (Institute of Technology and Life Sciences—National Research Institute, Department of Renewable Energies, Branch in Poznan, Falenty, 3 Hrabska Avenue, 05-090 Raszyn, Poland)

  • Michał Roman

    (Institute of Economics and Finance, Warsaw University of Life Sciences, 166 Nowoursynowska St., 02-787 Warsaw, Poland)

Abstract

This article presents the device and the principle of operation of forage grain crushers that use the centrifugal force of inertia to supply the working bodies—which occurs as a result of rotation of the rotor with a vertical axis. The results of some tests of machines working on this principle have been characterized. Attention is drawn to the disadvantages of most research works, namely the lack of premises for creating shredders of this class with a wide range of performance. The aim of this work is to establish the relationship between the design and technological parameters for the operation of a centrifugal-rotary shredder using the theory of similarity and a dimensional analysis. Moreover, the experimental data show an empirical relationship when calculating the efficiency for the shredder model considered above. By applying the similarity criteria, dimensionless complexes were obtained, which allow to determine the significance of the parameters selected at the initial stage for the efficiency of the shredder. The novelty of this research is the application of the theory of similarity and the use of dimensional analysis, which allowed for scaling the results of the experimental data and obtaining a centrifugal-rotary shredder with higher efficiency, while maintaining the quality of the obtained product. This technique indicates the energy costs of the grinding process, which can be used to select the ratio of parameters in the shredder that would ensure that a minimum amount of energy is consumed.

Suggested Citation

  • Wacław Romaniuk & Petr Savinykh & Kinga Borek & Kamil Roman & Alexey Y. Isupov & Aleksandr Moshonkin & Grzegorz Wałowski & Michał Roman, 2021. "The Application of Similarity Theory and Dimensional Analysis to the Study of Centrifugal-Rotary Chopper of Forage Grain," Energies, MDPI, vol. 14(15), pages 1-12, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:15:p:4501-:d:601374
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    References listed on IDEAS

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    1. Kamil Roman & Michał Roman & Dominika Szadkowska & Jan Szadkowski & Emilia Grzegorzewska, 2021. "Evaluation of Physical and Chemical Parameters According to Energetic Willow ( Salix viminalis L.) Cultivation," Energies, MDPI, vol. 14(10), pages 1-17, May.
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    Cited by:

    1. Hwai Chyuan Ong & Adi Kusmayadi & Nor Aishah Saidina Amin, 2023. "Biomass Energy for Environmental Sustainability," Energies, MDPI, vol. 16(7), pages 1-3, March.

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