Integrated-scale prediction of radiative properties of open-cell metal foam based on the pore-scale transfer and microscopic morphology of ligaments

Liu, Bo; Xia, Xin‐Lin; Chen, Xue; Ma, Ming

doi:10.1016/j.ijthermalsci.2020.106750

Cited by 12 publications

(3 citation statements)

References 38 publications

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“…The suitable pore structure should be determined in advance to implement the simulation, which plays a vital role in the liquid water‐air flow process 44–46 . It should be noted that the metal foam structure mainly consists of pore cells and ligaments, where the ligament is a key structure parameter 47 . Bao et al 15 pointed out that the ligaments mostly have a triangle cross‐section scanned by CT‐COMPACT nano.…”

Section: Numerical Simulation Methodsmentioning

confidence: 99%

“…[44][45][46] It should be noted that the metal foam structure mainly consists of pore cells and ligaments, where the ligament is a key structure parameter. 47 Bao et al 15 pointed out that the ligaments mostly have a triangle cross-section scanned by CT-COMPACT nano. Qin et al 48 proposed a reconstructed method of the metal foam structure in two-dimension (2D) to investigate flow boiling heat transfer mechanisms in the metal foam structure.…”

Section: Computational Domain and Boundary Conditionsmentioning

confidence: 99%

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Liquid water discharge capability enhancement of hierarchical pore structure in metal foam flow field of proton exchange membrane fuel cell

Lin,

Sun,

Yang

et al. 2023

AIChE Journal

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Metal foam flow field shows great potential for next‐generation proton exchange membrane (PEM) fuel cell of high power density due to its well‐connected pore structure, high thermal and electrical conductivity. However, the complicated pore structure makes it a challenge for water management. To tackle this issue, a novel design of metal foam flow field with hierarchical pore structure was proposed. Based on lattice Boltzmann method (LBM), the structure‐performance relationship between hierarchical pore structure and water discharge capability of flow field was explored by using breakthrough time. Furthermore, an optimal hierarchical pore structure for metal foam flow field that shows superior water discharge capability was obtained. Compared with metal foam with uniform coarse pore structure, breakthrough time can be reduced roughly by 17.6% in the one with optimal hierarchical pore structures. This finding provides a theoretical foundation and technical guidance for developing metal foam flow field.

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Section: Numerical Simulation Methodsmentioning

confidence: 99%

Section: Computational Domain and Boundary Conditionsmentioning

confidence: 99%

Liquid water discharge capability enhancement of hierarchical pore structure in metal foam flow field of proton exchange membrane fuel cell

Lin,

Sun,

Yang

et al. 2023

AIChE Journal

View full text Add to dashboard Cite

show abstract

“…First, the 3D surface model is characterized from the images and is subsequently imported into computer-aided design (CAD) software (e.g., SolidWorks) to generate a 3D volume model after necessary error corrections. In fact, similar methods are widely used in metal foam reconstruction for thermal analysis, mechanical behavior analysis, and so on.…”

Section: Characterizationmentioning

confidence: 99%

Porous Flow Field for Next-Generation Proton Exchange Membrane Fuel Cells: Materials, Characterization, Design, and Challenges

Zhang

Tao

et al. 2022

Chem. Rev.

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Porous flow fields distribute fuel and oxygen for the electrochemical reactions of proton exchange membrane (PEM) fuel cells through their pore network instead of conventional flow channels. This type of flow fields has showed great promises in enhancing reactant supply, heat removal, and electrical conduction, reducing the concentration performance loss and improving operational stability for fuel cells. This review presents the research and development progress of porous flow fields with insights for next-generation PEM fuel cells of high power density (e.g., ∼9.0 kW L–1). Materials, fabrication methods, fundamentals, and fuel cell performance associated with porous flow fields are discussed in depth. Major challenges are described and explained, along with several future directions, including separated gas/liquid flow configurations, integrated porous structure, full morphology modeling, data-driven methods, and artificial intelligence-assisted design/optimization.

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Progress in radiative transfer in porous medium: A review from macro scale to pore scale with experimental test

Wang

Zhang

Dong

et al. 2022

Applied Thermal Engineering

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Integrated-scale prediction of radiative properties of open-cell metal foam based on the pore-scale transfer and microscopic morphology of ligaments

Cited by 12 publications

References 38 publications

Liquid water discharge capability enhancement of hierarchical pore structure in metal foam flow field of proton exchange membrane fuel cell

Liquid water discharge capability enhancement of hierarchical pore structure in metal foam flow field of proton exchange membrane fuel cell

Porous Flow Field for Next-Generation Proton Exchange Membrane Fuel Cells: Materials, Characterization, Design, and Challenges

Progress in radiative transfer in porous medium: A review from macro scale to pore scale with experimental test

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