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Numerical Modeling of Dilute Particulate Flows in Horizontal and Vertical pipes


Author : Pandaba Patro, Sampreeti Jena and Brundaban Patro

Pages : 300-304
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Abstract

 

CFD simulation using Eulerian-Eulerian approach is performed for gas-solid flows in horizontal and vertical pipes. The Gidaspow drag model with algebraic granular temperature model were used for the simulation. The algebraic model is the simplified one to model the granular temperature and it speeds up the convergence in two phase flow unsteady simulations. Numerical predictions are compared with experimental data and good agreement was found for vertical flows. The model predicts the gas velocity correctly, but couldn’t predict the solid phase velocity in horizontal flows. Vertical flow has symmetrical profiles for velocity, volume fraction and other flow parameters; whereas the asymmetric flow occurs in horizontal flows.

 

Keywords: CFD, Gas-solid flow, Euler model, Granular Temperature, Drag model

 

Article published in International Journal of Current  Engineering  and Technology, Vol.2,No.3 (Sept- 2012)

 

 

 

 

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