Modelling of Separation and Air Classification Processes of Aerodisperse Systems in the Shelving Device

Author(s): Varukha D. A.1, Smirnov V. А.1, Edl M.2,Demianenko M. M.1, Yukhymenko M. P.1, Pavlenko I. V.1, Liaposhchenko O. O.1

1Sumy State University, 2 Rymskogo-Korsakova St., 40007 Sumy, Ukraine;
2University of West Bohemia, 22 Univerzitni St., 306 14 Pilsen, Czech Republic

*Corresponding Author’s Address: [email protected] 

Issue: Volume 5; Issue 1 (2018)

Paper received: February 8, 2018
The final version of the paper received: May 24, 2018
Paper accepted online: May 26, 2018

Varukha D. A. Simulation of separation and air classification processes of aerodisperse systems in the shelving device / D. A. Varukha, V. А. Smirnov, M. Edl, M. M. Demianenko, M. P. Yukhymenko, I. V. Pavlenko, O. O. Liaposhchenko // Journal of Engineering Sciences. – Sumy : Sumy State University, 2018. – Volume 5, Issue 1. – P. F5-F9.

DOI: 10.21272/jes.2018.5(1).f2

Research Area: CHEMICAL ENGINEERING: Processes in Machines and Devices

Abstract. The following paper considers the process of classification of polydisperse free-flowing material according to granulometric composition using a gravitational air classificator. There were considered the problems of the purity of separation of polydisperse bulk materials and methods for increasing the degree of separation of particles. There were presented and analyzed obtained the results of the comparison, the data of experimental research and computer simulation of two-phase hydrodynamics flow by CFD methods. The versatility of this complex allowed carrying out simulation of the process using various parameters. As a result, were obtained optimal operating parameters, which were experimentally verified. Based on the obtained data as a result of numerical modelling, the possibility of increasing gas flow influence to the polydispersed material were found, as well as organization along the walls of coarse fraction downward flow by dint of the optimizing the devise design (specifically through the organization of additional inlets for airflow) were obtained.

Keywords: air classification, granulometric composition, bulk material, polydisperse material, two-phase flow, degree of separation, computer simulation, shelving devices.


  1. Smirnov, V. А., & Yukhimenko, N. P. (2013). Multi-product pneumatic classification of granular materials. Proceedings SWorld, Volume 11, Issue 2, P. 102.
  2. Yoshida, H., Fukui, K., Yoshida, K., & Shinoda, E. (2001). Particle separation by Iinoya’s type gas cyclone. Powder Technology, Vol. 118, pp. 16–23.
  3. Peukert, W., & Wadenpohl, C. (2001). Industrial separation of fine particles with difficult dust properties. Powder Technology, Vol. 118, Issues 1–2, 136–148.
  4. Tsuji, H., Makino, H., & Yoshida, H. (2001). Classification and collection of fine particles by means of backward sampling. Powder Technology, Vol. 118, Issues 1–2, 45–52.
  5. Suzuki, M., Sato, H., Hasegawa, M., & Hirota, H. (2001). Effect of size distribution on tapping properties of fine powder. Powder Technology, Vol. 118, Issues 1–2, 53–57.
  6. Sibanda, V., Greenwood, R. W., & Seville, J. P. K. (2001). Particle separation from gases using cross-flow filtration. Powder Technology, Vol. 118, Issues 1–2, 193–202.
  7. Yukhimenko, M., & Litvinenko, A. (2016). Pneumatic classification of the granular materials in the “Rhombic” apparatus. Journal of Manufacturing and Industrial Engineering, Vol. 2, 1–3.
  8. Ambrós, W. M., Cazacliu, B. G., & Sampaio, C. H. (2016). Wall effects on particle separation in air jigs. Powder Technology, Vol. 301, 369–378.

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