Articles with "high porosity" as a keyword



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Performance evaluation of partially filled high porosity metal foam configurations in a pipe

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Published in 2021 at "Applied Thermal Engineering"

DOI: 10.1016/j.applthermaleng.2021.117081

Abstract: Abstract In this contemporary research, a parametric analysis of partially filled high porosity metallic foams in a horizontal conduit is performed to augment heat transfer with reasonable pressure drop. The investigation includes six different models… read more here.

Keywords: foam; performance; filled high; partially filled ... See more keywords
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High porosity Mo doped BiVO4 film by vanadium re-substitution for efficient photoelectrochemical water splitting

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Published in 2020 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2020.124365

Abstract: Abstract Bismuth vanadate (BiVO4) is one of the most studied photoanodes whose photoelectrochemical (PEC) performance is limited by the sluggish charge mobility and substantial recombination losses. Here, a high porosity Mo doped BiVO4 film was… read more here.

Keywords: bivo4 film; bivo4; doped bivo4; film ... See more keywords
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High-porosity geopolymer membrane supports by peroxide route with the addition of egg white as surfactant

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Published in 2017 at "Ceramics International"

DOI: 10.1016/j.ceramint.2016.10.205

Abstract: Abstract Metakaolin-based geopolymer membrane supports were synthesized by gelcasting using hydrogen peroxide with the addition of albumen powder as surfactant. A geopolymer slurry was prepared using metakaolin and an alkaline medium at room temperature, the… read more here.

Keywords: porosity; addition; membrane supports; geopolymer membrane ... See more keywords
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High porosity nitrogen and phosphorous Co-doped carbon nanosheets as an efficient catalyst for oxygen reduction

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Published in 2018 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2018.03.219

Abstract: Abstract High porosity nitrogen and phosphorous co-doped carbon nanosheets with high surface area (1057.9 m2 g−1) are fabricated by using polyacrylonitrile and red phosphorous as the precursors. The catalyst exhibits outstanding catalytic performance towards oxygen reduction reaction… read more here.

Keywords: carbon nanosheets; doped carbon; phosphorous doped; porosity nitrogen ... See more keywords
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Novel mullite ceramic foams with high porosity and strength using only fly ash hollow spheres as raw material

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Published in 2017 at "Journal of The European Ceramic Society"

DOI: 10.1016/j.jeurceramsoc.2017.11.002

Abstract: Abstract A novel approach to fabricate mullite ceramic foams with high porosity and mechanical strength using fly ash hollow spheres (FAHSs) as the only raw material was reported for the first time, in which FAHSs… read more here.

Keywords: strength; porosity; mullite ceramic; ceramic foams ... See more keywords
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Microstructure and petrophysical properties of deformation bands in high porosity carbonates

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Published in 2019 at "Journal of Structural Geology"

DOI: 10.1016/j.jsg.2018.12.001

Abstract: Abstract Deformation bands are one of the most common strain localization structures found in deformed porous rocks. Numerous documented studies on deformation bands in siliciclastics have found that they often experience a reduction in porosity… read more here.

Keywords: petrophysical properties; deformation bands; deformation; high porosity ... See more keywords
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A fluorinated Zr-based MOF of high porosity for high CH4 storage

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Published in 2019 at "Journal of Solid State Chemistry"

DOI: 10.1016/j.jssc.2019.05.051

Abstract: Abstract An organic linker H2FBDA (H2FBDA = (2E, 2′E)-3,3'-(2-fluoro-1,4-phenylene) diacrylic acid) with the electron-withdrawing fluoro-group, has been applied to construct a Zr-based metal-organic framework, the ZJU-800 (ZJU = Zhejiang University). ZJU-800, derived from UiO-66 and isostructural with… read more here.

Keywords: mof high; fluorinated based; storage; porosity high ... See more keywords
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Microstructure and fracture properties of open-cell porous Ti-6Al-4V with high porosity fabricated by electron beam melting

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Published in 2018 at "Materials Characterization"

DOI: 10.1016/j.matchar.2018.02.016

Abstract: Abstract The open-cell porous Ti-6Al-4V structure with high porosity, intended to be applied as replacement for human cancellous bone, were fabricated by electron beam melting (EBM). Computer aided design (CAD) was applied to design porous… read more here.

Keywords: porosity; fabricated electron; cell porous; porous 6al ... See more keywords
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Fabrication, characterization and electrochemical properties of porous palladium bulk samples with high porosity and hierarchical pore structure

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Published in 2017 at "Chinese Journal of Catalysis"

DOI: 10.1016/s1872-2067(17)62780-3

Abstract: Abstract In the present study, porous bulk palladium samples were prepared by sodium chloride salt powder spacer incorporation and removal combined with dealloying. The obtained porous Pd bulks were characterized by X-ray diffraction, field-emission scanning… read more here.

Keywords: properties porous; hierarchical pore; bulk; bulk samples ... See more keywords
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Supersonic flow around a cylinder with a permeable high-porosity insert: experiment and numerical simulation

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Published in 2019 at "Journal of Fluid Mechanics"

DOI: 10.1017/jfm.2019.165

Abstract: Results of experimental and numerical investigations of a supersonic flow around a cylinder with a frontal gas-permeable insert made of a high-porosity cellular material are presented. The measurements are performed in a T-327 supersonic blowdown… read more here.

Keywords: supersonic flow; cylinder; high porosity; flow around ... See more keywords
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Unique chemical activity in porous YbB2C2 ceramics with high porosity and high compressive strength

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Published in 2020 at "Scientific Reports"

DOI: 10.1038/s41598-020-77267-9

Abstract: High purity layered YbB2C2 powder is synthesized by a boro/carbothermic reduction method using YbBO3, B4C and graphite powders as raw materials. Its X-ray diffraction data are presented, and the space group P4/mbm (No. 127) is… read more here.

Keywords: ceramics high; ybb2c2 ceramics; ybb2c2; porous ybb2c2 ... See more keywords