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Computational study of heat and mass transfer issues in solid oxide fuel cells

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Academic year: 2021

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Figure

Figure 1 Geometry and mesh for planar-type anode- anode-supported SOFC.
Table 2.  Effective diffusion coefficients computed by two  approaches  Algebraic  Numerical  eff D i  [m 2 /s]  D [m 2 /s]  AFL 1.9x10 -5 4.6x10 -5 ASL 8.4x10 -5 1.3x10 -4 CFL 2.1x10 -6 1.1x10 -5 CCCL 2.6x10 -5 3.0x10 -5
Table 3. Predicted results, showing mean values and  standard deviations.  V[V]  i  [A/cm 2 ]  T [K]   i   σ  T σ  Co-flow   0.753  0.6  0.0435  1011.7  3.63  Counter-flow 0.750 0.6 0.0377 1008.3 1.32  Cross-flow 0.750  0.6  0.0383  1009.5  2.55
Figure 6  Current density [A/cm 2 ] along y and x directions
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