Prediction of erosion rate in gas-solid flow using computational fluid dynamics (CFD): focus on geometrical parameters

Jalalvandi, K.; Parvareh, A.

doi:10.22034/ijche.2023.402980.1495

Document Type : Regular Article

Authors

K. Jalalvandi ¹
A. Parvareh ²

¹ Faculty of Petroleum and Chemical Engineering, Razi University, Kermanshah 6714967346, Iran

² Faculty of Petroleum and Chemical Engineering, Razi University, Kermanshah, Iran

https://doi.org/10.22034/ijche.2023.402980.1495

Abstract

In this study, the fluid flow together with solid particles has been studied using Computational Fluid Dynamics (CFD). The gas-solid flow (air and sand particles with the size of 150 µm) inside a 76.2 mm diameter pipe with various bend angles including 45, 60, 90, 120, 135, and 180° was modelled at the fluid flow velocity of 11 m/s. The k-ω turbulence model was employed to model the flow turbulence and the E/CRC erosion model have been used to predict erosion rates. The hydrodynamics of the flow, the particles motion as well as the probable erosion regions were predicted. The CFD simulation results showed that increasing the curvature angle increases the erosion rate. While, increasing the pipe diameter, decreases the erosion rate. The maximum erosion rate was predicted at the end part of the curvature for 45 and 60 ° angles, while it was observed in the middle region for 120 and 135 ° curvatures. Finally, the maximum erosion rate for the 180 ° curvature was observed in two regions at the end of the first and second half. Using these results, precautionary considerations for the erosion, and the suitable plans for the repair and maintenance of the equipment can be offered.

Keywords

Main Subjects

Modeling and Simulation

References

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Iranian Journal of Chemical Engineering(IJChE)

Prediction of erosion rate in gas-solid flow using computational fluid dynamics (CFD): focus on geometrical parameters

References

References

Volume 20, Issue 2
August 2023
Pages 33-49

Prediction of erosion rate in gas-solid flow using computational fluid dynamics (CFD): focus on geometrical parameters

References

References

Volume 20, Issue 2August 2023Pages 33-49

Volume 20, Issue 2
August 2023
Pages 33-49