Research Article
An Improved Steady-State and Transient Analysis of the RSG-GAS Reactor Core under RIA Conditions Using MTR-DYN and EUREKA-2/RR Codes
Table 2
Calculated thermal-hydraulic parameter on steady-state condition.
| | Hottest channel | COOLOD-N2 | EUREKA-2/RR | Existing XS MTR-DYN | New XS MTR-DYN | FLUENT |
| | Operating power, (MW) | 30.0 | 30.0 | 30.0 | 30.0 | 30.0 | | Inlet coolant temp, (°C) | 44.5 | 44.5 | 44.5 | 44.5 | 44.5 | | Max. Coolant temp, (°C) | 68.63 | 67.92 (1.03%) | 67.01 (2.36%) | 66.29 (3.41%) | 66.82 (2.63%) | | Max. Cladding temp., (°C) | 121.66 | 123.10 (−1.18%) | 121.44 (0.18%) | 121.62 (0.03%) | 121.26 (0.32%) | | Max. Fuel temp, (°C) | 125.11 | 126.02 (−0.73%) | 122.41 (−2.15%) | 122.60 (2.01%) | 123.10 (1.60%) | | Saturation temp, (°C) | 117.32 | 117.39 | — | — | — | | MDNBR | 1.62 | 1.69 | — | — | — | | (COOLOD-N2—Code)/COOLOD-N2 × 100% |
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