期刊
CURRENT OPINION IN CHEMICAL ENGINEERING
卷 12, 期 -, 页码 44-51出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.coche.2016.02.006
关键词
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资金
- UK EPSRC [EP/M014045/1, EP/J001007/1, EP/J003085/1, EP/G06704X/1]
- EPSRC [EP/J003085/1, EP/J001007/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/J003085/1] Funding Source: researchfish
The widely used Bruggeman equations correlate tortuosity factors of porous media with their porosity. Finding diverse application from optics to bubble formation, it received considerable attention in fuel cell and battery research, recently. The ability to estimate tortuous mass transport resistance based on porosity alone is attractive, because direct access to the tortuosity factors is notoriously difficult. The correlation, however, has limitations, which are not widely appreciated owing to the limited accessibility of the original manuscript. We retrace Bruggeman's derivation, together with its initial assumptions, and comment on validity and limitations apparent from the original work to offer some guidance on its use.
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