Computational fluid dynamics simulation of thermodynamic behaviour of tubular digester

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dc.creatorPatrícia Vaz
dc.creatorDelly Oliveira Filho
dc.creatorMárcio Martins
dc.creatorJoyce Carlo
dc.creatorAndré Rosa
dc.creatorEduardo Mazoni Andrade Marçal Mendes
dc.date.accessioned2025-02-17T18:48:32Z
dc.date.accessioned2025-09-09T00:03:44Z
dc.date.available2025-02-17T18:48:32Z
dc.date.issued2020-04-14
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1016/j.ifacol.2020.12.234
dc.identifier.issn2405-8963
dc.identifier.urihttps://hdl.handle.net/1843/80155
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofIFAC - PapersOnLine
dc.rightsAcesso Aberto
dc.subjectModelagem
dc.subjectBioenergética
dc.subjectControle de temperatura
dc.subject.otherCFD in agriculture
dc.subject.otherModeling
dc.subject.otherControl of agriculture
dc.subject.otherBio-energetics
dc.subject.otherRecirculation
dc.subject.otherTemperature control
dc.titleComputational fluid dynamics simulation of thermodynamic behaviour of tubular digester
dc.typeArtigo de periódico
local.citation.epage15834
local.citation.issue2
local.citation.spage15829
local.citation.volume53
local.description.resumoThe anaerobic digesters have been widely used worldwide and followed by the environmental treatment, biogas (energy source) and biofertilizers can be produced at the same process. The plug flow digester is the most common digester system in Brazil, but it still faces great difficulties of implementation because of the low efficiency. In this context, this work proposes ways of improving the energy efficiency of such a digester. To this end, simulations were performed for this type of digester in order to analyze the thermodynamic behavior. It was possible to verify that the velocity gradient was acceptable for the studied reactor characteristics, that is, 0.054, and the average temperature reached with the heating system was 33ºC, which is considered an optimal temperature for biogas production. The simulation proved to be an important tool in scenarios using the digester model and can be of help when designing new units and in different cases of agitation. However the model used here does not evaluate the thermal changes of the digester plastic blanket due to the simplification of the simulation.
local.identifier.orcidhttps://orcid.org/0000-0003-4133-0199
local.identifier.orcidhttps://orcid.org/0000-0002-3267-3862
local.publisher.countryBrasil
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA ELETRÔNICA
local.publisher.initialsUFMG
local.url.externahttps://www.sciencedirect.com/science/article/pii/S2405896320305073

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