THE INNOVATIVE GEOMETRIC SHAPE OF THE VORTEX FINDER AND THE EFFECT OF TEMPERATURE ON FLOW VELOCITY, PERFORMANCE, AND EFFICIENCY IN SQUARE CYCLONES
Abdul Basit (1), Mohamad Said Kartono Tony Suryo Utomo (1), Eflita Yohana (1), Kwang-Hwan Choi (2)

1. Department of Mechanical Engineering, Diponegoro University, Jl. Prof. Sudharto, SH, Semarang 50275, Indonesia
2. College of Engineering Pukyong National University, 365 Sinseon-Ro, Nam-Gu, Busan 608-739, Republic Of Korea

Abstract

Cyclone is one of the equipments that is widely used for the process of separating particles from a fluid flow. Cyclone separators have a simple construction design, low operating costs, and the ability to adapt to high pressure and temperature conditions, so they are widely used in the industrial world. The performance of a cyclone can be seen from the efficiency of particle collection and pressure drop. The Computational Fluid Dynamic (CFD) method is a widely used reference in problem-solving because it is cheap and faster. This study examines the effect of the different geometry of the vortex finder shape on the performance of a square cyclone to increase the separation efficiency of a square cyclone. Four different vortex finder shapes, Standard Vortex (SV), Convergen Vortex (CV), Divergen Vortex (DV), and Convergen Divergen Vortex (CDV) will be simulated to assess the impact of gas temperature on square cyclone performance on the velocity flow field, cyclone performance, temperature distribution, and heat transfer. RSM turbulence model is used to simulate fluid flow. The Eulerian-Langrangian approach was chosen to predict the phase movement of the particles. The trajectories of particles in the stream are tracked individually using the DPM method. Inlet temperature (from 293 to 700 K). The simulation results show that using the Convergen Divergen Vortex (CDV) form increases the efficiency of square cyclone separation while producing an increase in pressure drop. Using the Convergen Divergen Vortex (CDV) shape is useful for reducing the size of the pieces by 50%. This is because the incoming airflow experiences centrifugal force in the vortex finder area thereby increasing efficiency and increasing pressure drop in square cyclones.

Keywords: CFD, Square Cyclone, Vortex Finder, Pressure Drop, Efficiency

Topic: Chemistry Education