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dc.contributor.authorDapelo, Davide
dc.contributor.authorBridgeman, John
dc.date.accessioned2020-06-22T16:26:30Z
dc.date.accessioned2020-07-29T14:21:42Z
dc.date.available2020-06-22T16:26:30Z
dc.date.available2020-07-29T14:21:42Z
dc.date.issued2018-03
dc.identifier.citationDapelo D and Bridgeman J (2018) Euler-Lagrange Computational Fluid Dynamics simulation of a full-scale unconfined anaerobic digester for wastewater sludge treatment. Advances in Engineering Software. 117: 153-169.en_US
dc.identifier.urihttp://hdl.handle.net/10454/17925
dc.descriptionYesen_US
dc.description.abstractFor the first time, an Euler-Lagrange model for Computational Fluid Dynamics (CFD) is used to model a full-scale gas-mixed anaerobic digester. The design and operation parameters of a digester from a wastewater treatment works are modelled, and mixing is assessed through a novel, multi-facetted approach consisting of the simultaneous analysis of (i) velocity, shear rate and viscosity flow patterns, (ii) domain characterization following the average shear rate value, and (iii) concentration of a non-diffusive scalar tracer. The influence of sludge’s non-Newtonian behaviour on flow patterns and its consequential impact on mixing quality were discussed for the first time. Recommendations to enhance mixing effectiveness are given: (i) a lower gas mixing input power can be used in the digester modelled within this work without a significant change in mixing quality, and (ii) biogas injection should be periodically switched between different nozzle series placed at different distances from the centre.en_US
dc.description.sponsorshipThe first author is funded via a University of Birmingham Postgraduate Teaching Assistantship award.en_US
dc.language.isoenen_US
dc.relation.isreferencedbyhttps://doi.org/10.1016/j.advengsoft.2017.08.009en_US
dc.rights© 2017 Elsevier Ltd. All rights reserved. Reproduced in accordance with the publisher's self-archiving policy. This manuscript version is made available under the CC-BY-NC-ND 4.0 license.en_US
dc.subjectWastewateren_US
dc.subjectSludgeen_US
dc.subjectCFDen_US
dc.subjectEuler-Lagrangianen_US
dc.subjectNon-Newtonian fluiden_US
dc.subjectTurbulenceen_US
dc.subjectEnergyen_US
dc.titleEuler-Lagrange Computational Fluid Dynamics simulation of a full-scale unconfined anaerobic digester for wastewater sludge treatmenten_US
dc.status.refereedYesen_US
dc.date.Accepted2017-08-15
dc.date.application2017-08-18
dc.typeArticleen_US
dc.type.versionAccepted manuscripten_US
dc.date.updated2020-06-22T15:26:32Z
refterms.dateFOA2020-07-29T14:22:26Z


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