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Computational fluid dynamics modelling of unconfined gas mixing of wastewater sludge in a full scale anaerobic digester
Dapelo, Davide Bridgeman, John
Dapelo, Davide
Bridgeman, John
Publication Date
2015-09
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© Civil-Comp Press, 2015. Reproduced in accordance with the publisher's self-archiving policy.
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2015
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Abstract
In this paper, an Euler-Lagrange model for computational fluid dynamics was used
to model a full-scale gas-mixed anaerobic digester. The flow profiles, local values of
non-Newtonian viscosity and average shear rate were analysed. Recommendations to
enhance the effectiveness of mixing were given. In particular, the gas mixing input
power can be reduced without appreciable detrimental effects on the mixing effectiveness.
Version
Accepted manuscript
Citation
Dapelo D and Bridgeman J (2015) Computational fluid dynamics modelling of unconfined gas mixing of wastewater sludge in a full scale anaerobic digester. In: Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing. 1-4 Sep 2015, Prague, Czech Republic.
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Conference paper