Open Access
Table 5
Critical and optimal Rayleigh number for different Ha (deviation between simulation and correlation).
| Ha | V-magnetic field, ϕ = π/2 | H-magnetic field, ϕ = 0 | ||||||
|---|---|---|---|---|---|---|---|---|
| 10−5 × Raopt | 10−5 × Rac | Deviation (%) | 10−5 × Raopt | 10−5 × Rac | Deviation (%) | |||
| Simulation | Correlation | Simulation | Correlation | |||||
| 0 | – | 0.200 | 2.018 | 1.90 | – | 0.200 | 0.199 | 0.588 |
| 15 | 0.800 | 0.400 | 0.389 | 2.659 | 0.900 | 0.300 | 0.296 | 1.238 |
| 30 | 1.200 | 0.600 | 0.617 | 2.772 | 1.000 | 0.450 | 0.458 | 1.729 |
| 45 | 1.800 | 0.900 | 0.889 | 2.249 | 1.100 | 0.700 | 0.697 | 0.416 |
| 60 | 3.000 | 1.200 | 1.210 | 0.836 | 3.000 | 1.000 | 1.011 | 1.146 |
| 75 | 4.000 | 1.600 | 1.584 | 1.007 | 6.000 | 1.400 | 1.372 | 1.988 |
| 90 | 6.000 | 2.000 | 2.012 | 0.627 | 7.000 | 1.700 | 1.723 | 1.365 |
| 105 | 9.000 | 2.500 | 2.497 | 0.134 | 8.000 | 2.000 | 1.993 | 0.341 |
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