Numerical Analysis of the Impact of Vortex Finder Diameter Ratio on Cyclone Performance

GHASSABI, GHODRAT; Yoosefi, Mohammadhosein

doi:10.22034/stme.2025.532379.1140

Numerical Analysis of the Impact of Vortex Finder Diameter Ratio on Cyclone Performance

Articles in Press

Document Type : Original Article

Authors

GHODRAT GHASSABI ¹

Mohammadhosein Yoosefi ²

¹ Mechanical engineering, Bozorgmerhr university of Qaenat

² Mechanical Engineering Departement, engineering faculty, Bozorgmehr University of Qaenat

10.22034/stme.2025.532379.1140

Abstract

In this study, the influence of the swirl-collector diameter ratio on the cyclone particle separation efficiency and its pressure drop is examined numerically. The simulations were performed using ANSYS Fluent 2021. The diameter ratios investigated for the swirl collector are 0.25, 0.50, 1, 2, and 4. The fluid considered is air, with an inlet velocity of 1 m/s and a particle diameter of 10 μm. The results indicate that increasing the swirl-collector diameter ratio from 0.25 to 0.50 leads to a substantial reduction in pressure drop, while further increases in the diameter ratio cause the pressure drop within the cyclone to remain nearly constant. Additionally, the results show that the cyclone with a diameter ratio of 0.50 achieves 100% collection efficiency, whereas the cyclone with a diameter ratio of 4 is unable to separate the particles. Moreover, it was concluded that cyclones with equal swirl-collector diameters exhibit better performance than cyclones with other swirl-collector diameter ratios.

Keywords

Cyclone particle separation efficiency

Pressure drop

Vortex-finder diameter ratio

ANSYS Fluent

Subjects