Research Article
The Verification of Coupled Neutronics Thermal-Hydraulics Code NODAL3 in the PWR Rod Ejection Benchmark
Table 3
Maximum deviations of DYN3D/R and NODAL3 compared to the reference solution in 1993 [
26].
| Parameter | Maximum deviation (%) |
| Critical boron concentration, ppm | | DYN3D/R | 0.86 | NODAL3 (adiabatic) | 0.85 | NODAL3 (quasistatic) | 0.85 | Time of power peak, s | | DYN3D/R | 12.50 | NODAL3 (adiabatic) | 5.00 | NODAL3 (quasistatic) | 3.39 | Power peak | | DYN3D/R | 20.32 | NODAL3 (adiabatic) | 11.89 | NODAL3 (quasistatic) | 9.43 | Final power (at 5 s) | | DYN3D/R | 4.65 | NODAL3 (adiabatic) | 3.13 | NODAL3 (quasistatic) | 3.13 | Final average Doppler temperature (at 5 s), °C | | DYN3D/R | 1.29 | NODAL3 (adiabatic) | 0.32 | NODAL3 (quasistatic) | 0.35 | Maximum fuel temperature (at 5 s), °C | | DYN3D/R | 3.53 | NODAL3 (adiabatic) | 2.56 | NODAL3 (quasistatic) | 2.56 | Final coolant outlet temperature (at 5 s), °C | | DYN3D/R | 0.24 | NODAL3 (adiabatic) | 5.32 | NODAL3 (quasistatic) | 5.32 |
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