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Tomography-based heat and mass transfer characterization of reticulate porous ceramics for high-temperature processing / Sophia Haussener in Journal of heat transfer, Vol. 132 N° 2 (n° spécial) (Fevrier 2010) 

Public ISBD [article]  in Journal of heat transfer > Vol. 132 N° 2 (n° spécial) (Fevrier 2010) . - pp. [023305-1/9] Titre : Tomography-based heat and mass transfer characterization of reticulate porous ceramics for high-temperature processing Type de document : texte imprimé Auteurs : Sophia Haussener, Auteur ; Patrick Coray, Auteur ; Wojciech Lipinski, Auteur Article en page(s) : pp. [023305-1/9] Note générale : Physique Langues : Anglais (eng) Mots-clés : Reticulate  Porous  Ceramic  Computer  tomography  Transport  Radiation  Conduction  Convection  Monte  Carlo  DPLS  Solar  energy  Thermochemical  cycle  Hydrogen Index. décimale : 536 Chaleur. Thermodynamique Résumé : Reticulate porous ceramics employed in high-temperature processes are characterized for heat and mass transfer. The exact 3D digital geometry of their complex porous structure is obtained by computer tomography and used in direct pore-level simulations to numerically calculate their effective transport properties. Two-point correlation functions and mathematical morphology operations are applied for the geometrical characterization that includes the determination of porosity, specific surface area, representative elementary volume edge size, and mean pore size. Finite volume techniques are applied for conductive/convective heat transfer and flow characterization, which includes the determination of the thermal conductivity, interfacial heat transfer coefficient, permeability, Dupuit–Forchheimer coefficient, residence time, tortuosity, and diffusion tensor. Collision-based Monte Carlo method is applied for the radiative heat transfer characterization, which includes the determination of the extinction coefficient and scattering phase function. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.aip.org/vsearch/servlet/VerityServlet?KEY=JHTRAO&ONLINE=YES&smode= [...] [article] Tomography-based heat and mass transfer characterization of reticulate porous ceramics for high-temperature processing [texte imprimé] / Sophia Haussener, Auteur ; Patrick Coray, Auteur ; Wojciech Lipinski, Auteur . - pp. [023305-1/9]. Physique Langues : Anglais (eng) in Journal of heat transfer > Vol. 132 N° 2 (n° spécial) (Fevrier 2010) . - pp. [023305-1/9] Mots-clés : Reticulate  Porous  Ceramic  Computer  tomography  Transport  Radiation  Conduction  Convection  Monte  Carlo  DPLS  Solar  energy  Thermochemical  cycle  Hydrogen Index. décimale : 536 Chaleur. Thermodynamique Résumé : Reticulate porous ceramics employed in high-temperature processes are characterized for heat and mass transfer. The exact 3D digital geometry of their complex porous structure is obtained by computer tomography and used in direct pore-level simulations to numerically calculate their effective transport properties. Two-point correlation functions and mathematical morphology operations are applied for the geometrical characterization that includes the determination of porosity, specific surface area, representative elementary volume edge size, and mean pore size. Finite volume techniques are applied for conductive/convective heat transfer and flow characterization, which includes the determination of the thermal conductivity, interfacial heat transfer coefficient, permeability, Dupuit–Forchheimer coefficient, residence time, tortuosity, and diffusion tensor. Collision-based Monte Carlo method is applied for the radiative heat transfer characterization, which includes the determination of the extinction coefficient and scattering phase function. DEWEY : 536 ISSN : 0022-1481 En ligne : http://asmedl.aip.org/vsearch/servlet/VerityServlet?KEY=JHTRAO&ONLINE=YES&smode= [...]