Investigation of pressure drop in 3D replicated open-cell foams: Coupling CFD with experimental data on additively manufactured foams
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Otros documentos de la autoría: Bracconi, Mauro; Ambrosetti, Matteo; Okafor, Obinna; Sans, Victor; Zhang, Xun; Ou, Xiaoxia; Da Fonte, Claudio Pereira; Fan, Xiaolei; Maestri, Matteo; Groppi, Gianpiero; Tronconi, Enrico
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Mostrar el registro completo del ítemcomunitat-uji-handle:10234/9
comunitat-uji-handle2:10234/2507
comunitat-uji-handle3:10234/6973
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INVESTIGACIONMetadatos
Título
Investigation of pressure drop in 3D replicated open-cell foams: Coupling CFD with experimental data on additively manufactured foamsAutoría
Fecha de publicación
2019-12-01Editor
ElsevierISSN
1385-8947Cita bibliográfica
BRACCONI, Mauro, et al. Investigation of pressure drop in 3D replicated open-cell foams: Coupling CFD with experimental data on additively manufactured foams. Chemical Engineering Journal, 2019, vol. 377, p. 120123Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://www.sciencedirect.com/science/article/pii/S1385894718319983?via%3DihubVersión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
Open-cell foams as structured catalyst supports are promising candidates for the design of high throughput catalytic processes. In this contribution, we employ a coupled numerical and experimental approach to assess ... [+]
Open-cell foams as structured catalyst supports are promising candidates for the design of high throughput catalytic processes. In this contribution, we employ a coupled numerical and experimental approach to assess the pressure losses in foams. Large discrepancies between experimental results and predictions by empirical/analytical correlations are present in the literature, mainly due to the structural differences between adopted models and real foams. To exclude such structural differences, we explore virtually-generated foam models and their 3D printed replicas for a combined CFD and experimental study of fluid dynamics in foams. In particular, we focus our analysis on the low Reynolds number regime (Re < 50), where deviations between the existing correlation and experimental data are more pronounced. We find a very good agreement between CFD simulations and experimental measurements in evaluating the pressure drop of gas flows across foams. The effect of porosity, cell sizes and strut shape are studied, leading to the derivation of an engineering correlation for the pressure drop in open-cell foams. Subsequently, the derived correlation is used to evaluate the trade-off between the external transport rate and the pressure drop, which is a pivotal aspect in most environmental catalytic processes: results show that open-cell foams can outperform honeycomb monoliths in the range of low Reynolds numbers. [-]
Publicado en
Chemical Engineering Journal, 2019, vol. 377Proyecto de investigación
European Research Council (ERC): 694910; Engineering & Physical Sciences Research Council (EPSRC): EP/R000670/1Derechos de acceso
info:eu-repo/semantics/openAccess
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