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Computational Fluid Dynamics (CFD) Simulation of Multiphase Flow in Biogas Digester

V. S. Kshirsagar[1], P. M. Pawar[1]
[1]SVERI's College of Engineering, Pandharpur, Maharashtra, India
Published in 2014

Effective suspension and settling are critical for controlling biomass retention in a biogas digester. This paper developed a Computational Fluid Dynamics (CFD) model to simulate the hydrodynamic characteristics of multiphase flow in biogas digester. This is carried out by using COMSOL Multiphysics® software for understanding the behavior of slurries of different viscosity. This study helps to understand to take the judgment of water to solid waste ratio, for the improvement of gas production in the digester.

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