CFD Modeling Of Particle Rotation for Segregation in Bubbling Gas-Fluidized Beds

A two-dimensional multi-fluid Eulerian CFD model has been improved by incorporating particle rotation using kinetic theory for rapid granular flow of slightly frictional spheres. Simulation with and without particle rotation were performed to study segregation phenomena in a bidispersed bubbling gas-fluidized bed. In this model an effective restitution coefficient was introduced. It was found that model with particle rotation better predicts the bubble dynamics and bed behavior.

Keywords:

multi-fluid flow , fluidization , hydrodynamic , kinetic theory , granular flow

Authors

Behnaz Firouzbakht

Sharif University of Technology, Dept. of Chemical and Petroleum Engineering, Azadi Ave.,

Seyed Hossein Ahmadi Afshar

Islamic Azad University Tehran South Branch, Graduate School of Engineering, Faculty of Chemical Engineering, Tehran, Iran

Asghar Molaei Dehkordi

Sharif University of Technology, Dept. of Chemical and Petroleum Engineering, Azadi Ave.,

Certificate
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https://civilica.com/doc/77482

شناسه ملی سند علمی:

ICHEC06_207

تاریخ نمایه سازی: 1 مهر 1388

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Firouzbakht, Behnaz and Ahmadi Afshar, Seyed Hossein and Molaei Dehkordi, Asghar,1388,CFD Modeling Of Particle Rotation for Segregation in Bubbling Gas-Fluidized Beds,06th International Congress on Chemical Engineering,Hajjiabad,https://civilica.com/doc/77482

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Paper count: 16,501

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