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A-Asterisk Algorith...
A-Asterisk Algorithm as an Alternative to Evaluate the Geometric Tortuosity in Digitally Created SOFC Anodes
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- Espinoza Andaluz, Mayken (author)
- Escuela Superior Politécnica del Litoral (ESPOL)
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- vila, Joseph (author)
- Escuela Superior Politécnica del Litoral (ESPOL)
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- Pagalo, Javier (author)
- Escuela Superior Politécnica del Litoral (ESPOL)
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- Li, Tingshuai (author)
- University of Electronic Science and Technology of China
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- Qi, Yuanxin (author)
- Lund University,Lunds universitet,Institutionen för energivetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Energy Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Li, Shian (author)
- Dalian Maritime University
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- Zhang, Xiaoqiang (author)
- Lund University,Lunds universitet,Institutionen för energivetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Energy Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Andersson, Martin (author)
- Lund University,Lunds universitet,Institutionen för energivetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Energy Sciences,Departments at LTH,Faculty of Engineering, LTH,University of Electronic Science and Technology of China
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(creator_code:org_t)
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- The Electrochemical Society, 2021
- 2021
- English 7 s.
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In: 17th International Symposium on Solid Oxide Fuel Cells, SOFC 2021. - : The Electrochemical Society. - 1938-6737 .- 1938-5862. - 9781607685395 ; 103:1, s. 1665-1671
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Abstract
Subject headings
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- A solid oxide fuel cell (SOFC) contains complex materials that facilitate the energy conversion process. The diffusion media play an important role in facilitating the reactant gases to reach the electrochemical active regions. Porosity and tortuosity are crucial parameters describing the diffusion to be analyzed in a SOFC anode. This paper aims to evaluate the feasibility of using the A-asterisk algorithm to compute the geometric tortuosity within SOFC anodes. A three-dimensional structure, which is digitally created, represents the SOFC anode, in which the possible paths that follow the fluid flow are analyzed. A-asterisk algorithm is used to generate possible paths, and therefore the geometric tortuosity can be computed considering an averaged distance. A tortuosity-porosity correlation is proposed, and the results are compared with previous studies. Results show that the A-asterisk algorithm is a capable algorithm to evaluate the geometric tortuosity values in SOFC anodes with different particle size distribution and porosities.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Publication and Content Type
- kon (subject category)
- ref (subject category)
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