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Numerical approach to define a thermodynamically equivalent material for the conjugate heat transfer simulation of very thin coating layers

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Numerical approach to define a thermodynamically equivalent material for the conjugate heat transfer simulation of very thin coating layers

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dc.contributor.author Olmeda, P. es_ES
dc.contributor.author Margot , Xandra es_ES
dc.contributor.author Quintero-Igeño, Pedro-Manuel es_ES
dc.contributor.author Escalona-Cornejo, Johan Enrique es_ES
dc.date.accessioned 2021-06-04T03:31:07Z
dc.date.available 2021-06-04T03:31:07Z
dc.date.issued 2020-12 es_ES
dc.identifier.issn 0017-9310 es_ES
dc.identifier.uri http://hdl.handle.net/10251/167314
dc.description.abstract [EN] The 3D Conjugate Heat transfer (CHT) calculation of the heat transfer from the gas to the walls of a combustion chamber requires very fine meshing, particularly so when the walls are coated with a very thin insulation layer. It is practically impossible to mesh such thin layers for numerical as well as computational cost reasons. In this paper a solution to this problem is presented: an equivalent material layer with a reasonable meshing thickness is defined in such a way that its thermal behavior matches that of the real very thin coating layer. The methodology used to define the thermodynamic properties of the equivalent coating material is based on a combination of a 1D heat transfer model and a multi-factorial sweep of material properties. This equivalent material layer can then be introduced in the 3D CHT calculation instead of the real coating thin layer, and can be adequately meshed to predict with accuracy the heat losses. The approach is illustrated for a real case and a parametric study is performed to evaluate the importance of the number of mesh nodes and the material thickness. (C) 2020 Elsevier Ltd. All rights reserved es_ES
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof International Journal of Heat and Mass Transfer es_ES
dc.rights Reconocimiento - No comercial - Sin obra derivada (by-nc-nd) es_ES
dc.subject Temperature swing es_ES
dc.subject Coating material es_ES
dc.subject ICE es_ES
dc.subject Conjugate heat transfer es_ES
dc.subject 1D heat transfer model es_ES
dc.subject.classification INGENIERIA AEROESPACIAL es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.title Numerical approach to define a thermodynamically equivalent material for the conjugate heat transfer simulation of very thin coating layers es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.ijheatmasstransfer.2020.120377 es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Máquinas y Motores Térmicos - Departament de Màquines i Motors Tèrmics es_ES
dc.description.bibliographicCitation Olmeda, P.; Margot, X.; Quintero-Igeño, P.; Escalona-Cornejo, JE. (2020). Numerical approach to define a thermodynamically equivalent material for the conjugate heat transfer simulation of very thin coating layers. International Journal of Heat and Mass Transfer. 162:1-9. https://doi.org/10.1016/j.ijheatmasstransfer.2020.120377 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1016/j.ijheatmasstransfer.2020.120377 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 9 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 162 es_ES
dc.relation.pasarela S\417769 es_ES
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