Startseite Effect of hole diameter and number in vortex finders on flow field and performance of Stairmand gas cyclone
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Effect of hole diameter and number in vortex finders on flow field and performance of Stairmand gas cyclone

  • Nourhan A. Abbass , Khairy Elsayed , Yasser El-Shaer , Nihan Uygur Babaoglu , Seyyed Hossein Hosseini EMAIL logo und Abdelrady O. Elnady
Veröffentlicht/Copyright: 17. Juni 2025
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International Journal of Chemical Reactor Engineering
Aus der Zeitschrift International Journal of Chemical Reactor Engineering Band 23 Heft 5

Abstract

Recently, cyclones have been widely recognized as efficient tools for separating particles from solid-gas mixtures in various sectors. The current research examines how the width and quantity of circular holes in the vortex finder of the Stairmand gas cyclone affect the flow field and overall performance. Sixteen cyclone geometries were numerically investigated at inlet velocities of 8.8 m/s and 17.6 m/s. At 8.8 m/s gas velocity, the 4-hole geometry has a lower cut-off diameter than the other configurations. The no-hole geometry displays a lower cut-off diameter (d50) at a gas velocity of 17.6 m/s. The 12-hole geometry achieves the lowest pressure drop at 17.6 m/s. The pressure drop initially increases with an increase in the number of holes up to 5–6 holes and then decreases. At 8.8 m/s, the no-hole geometry demonstrates lower pressure drops. It is found that although the cut-off diameter has an inverse relationship with the number of holes, the pressure drop is related to the number of holes and size. This study offers important new information for improving the construction and functionality of these separation devices in various industrial contexts.

Keywords: cyclone separator; vortex finder; holes on vortex finder; cut-off diameter; pressure drop
Corresponding author: Seyyed Hossein Hosseini, Department of Chemical Engineering, Ilam University, Ilam, 69315-516, Iran, E-mail:

  1. Research ethics: Not applicable.

  2. Informed consent: Not applicable.

  3. Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  4. Use of Large Language Models, AI and Machine Learning Tools: None declared.

  5. Conflict of interest: The authors state no conflict of interest.

  6. Research funding: None declared.

  7. Data availability: Not applicable.

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Received: 2025-02-15
Accepted: 2025-06-01
Published Online: 2025-06-17

© 2025 Walter de Gruyter GmbH, Berlin/Boston

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https://doi.org/10.1515/ijcre-2025-0033
Schlagwörter für diesen Artikel
cyclone separator; vortex finder; holes on vortex finder; cut-off diameter; pressure drop

Artikel in diesem Heft

  1. Frontmatter
  2. Reviews
  3. Advances in extraction and sustainable utilization of cashew nut shell liquid (CNSL) for industrial applications
  4. A critical review on pyrolysis of maize biomass for bio-oil and biochar production with its potential outcomes
  5. Nanomaterials in solar still: recent advances and future perspectives
  6. Articles
  7. Production and characterization of sunflower stalk biochar and ash: a study on batch versus semi-batch gasifier systems
  8. Chemical activation of castor stalk-derived porous carbon for highly efficient CO2 adsorption in sustainable carbon capture applications
  9. Effect of hole diameter and number in vortex finders on flow field and performance of Stairmand gas cyclone
  10. Carbonation reaction in phosphogypsum waste conversion to calcium acetate: experiment and kinetic model study
  11. Numerical investigation of bubble growth and formation under quasi-static conditions
  12. Short Communications
  13. Equilibrium of methylene blue removal onto crayfish shell biochar
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