Hierarchical porous media
WebA finite element description of fluid flow through a deforming porous solid, with a hierarchical structure of pores, has been developed and implemented in the finite … Web1 de set. de 2005 · This basic understanding of the deposition dynamics at the mesoscale was then combined with the continuum-level transport equations to predict particle …
Hierarchical porous media
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Web9 de ago. de 2024 · Metal cat with pores: Hierarchical porous Ru and Pt metals formed by the assembly of metal clusters of about 1.5 nm using an ionic-liquid-based media as solvent and template. The porous Ru was very active for the hydrogenation of levulinic acid to γ-valerolactone, benzene to cyclohexane, and degradation of Congo red. Web29 de mai. de 2024 · However, this presents difficulties for prediction in porous media—namely, that if this operation is used for refinement, flow properties from coarser networks will be predicted on solid voxels where they are by definition zero (refer to Fig. 13), and the fine-scale networks will be forced to learn how to cancel these predictions exactly.
WebAs shown in Fig. 10–31, hierarchical porosity plays an important role in the tissue-regeneration process by facilitating growth of cellular and extracellular material (ECM). … WebHierarchical materials with porous structures at different length scales (i.e., micropore and mesopore) are an emerging class of materials. However, the lack of fundamental understanding of mass transport properties significantly limits rational development of these materials for applications in catalysis and separation. In this study, we evaluated the …
WebIn materials science, a porous medium or a porous material is a material containing pores (voids). The skeletal portion of the material is often called the "matrix" or "frame". The … Web17 de jan. de 2014 · In this paper, we introduce a stable-phase approach for hierarchical annealing which addresses the very large computational costs associated with simulated …
WebDive into the research topics of 'A finite element mixture model for hierarchical porous media'. Together they form a unique fingerprint. Mixture Model Mathematics 100%. Porous materials Engineering & Materials Science 92%. Porous Media Mathematics 91%. Finite Element Mathematics 74%. Fluid ...
Web5 de mar. de 2024 · Immiscible fluid–fluid displacement in porous media is of great importance in many engineering applications, such as enhanced oil recovery, agricultural … how to speak simoleonWeb11 de mai. de 2024 · Abstract. Hierarchical porous materials that replicate complex living structures are attractive for a wide variety of applications, ranging from storage and catalysis to biological and artificial systems. However, the preparation of structures with a high level of complexity and long-range order at the mesoscale and microscale is challenging. how to speak shanghaineseWeb15 de fev. de 2016 · This review presents the state-of-the-art of multiscale adsorption and transport in hierarchical porous materials, i.e. solids combining different porosity scales (from nm to > μm). Adsorption and desorption phenomena that can be observed in ordered and disordered porous materials are first discussed (including a discussion of the effect … rcspnWebThe superior performance is attributable to the combined roles of the unique hierarchical porous structure of NC and the Fe/S co-doping by endowing Fe/S-NC with great specific surface area, rich active sites, excellent conductivity and synergistic effect between Fe-N-x-C active sites and a thiophene-like structure (C-S-C). (C) 2024 Elsevier Ltd. how to speak sign language for beginnersWeb22 de fev. de 2015 · Hierarchical porous nitrogen-doped carbon (HPNC) nanosheets (NS) have been prepared via simultaneous activation and graphitization of biomass-derived natural silk. The as-obtained HPNC-NS show favorable features for electrochemical energy storage such as high specific surface area (SBET: 2494 m2/g), high volume of … how to speak sims languageWebDue to the rapid development of bendable electronic products, it is urgent to prepare flexible anode materials with excellent properties, which play a key role in flexible lithium-ion batteries. Although carbon fibers are excellent candidates for preparing flexible anode materials, the low discharge specific capacity prevents their further application. In this … how to speak siswatiWeb1 de set. de 2005 · This basic understanding of the deposition dynamics at the mesoscale was then combined with the continuum-level transport equations to predict particle breakthrough curves in porous media. The approach is capable of capturing transient features of deposition dynamics, as demonstrated by the good agreement between the … how to speak sign language