Research Article
Design and Thermal-Hydraulic Evaluation of Integrated Steam Generator with Serpentine-Tube Configuration for Prevention of Sodium-Water Reaction
Table 5
Comparison of the SPINS-S code with the CFD analysis results for inlet and outlet temperatures of all tubes in S-ISG.
| | Fluid | Variable | Tube no. |
| | Upregion | 1 | 2 | 3 | 4 | 5 | | Hot tube (Na) | Inlet temp. (°C) | SPINS-S | 512.0 | 511.7 | 511.5 | 509.8 | 508.7 | | CFD | 510.0 | 510.0 | 510.0 | 510.0 | 510.0 | | Outlet temp. (°C) | SPINS-S | 360.1 | 360.5 | 360.5 | 359.4 | 355.4 | | CFD | 346.1 | 350.8 | 351.7 | 352.3 | 351.5 | | Cold tube (H2O) | Inlet temp. (°C) | SPINS-S | 216.9 | 216.9 | 216.9 | 216.9 | 216.9 | | CFD | 217.0 | 217.0 | 217.0 | 217.0 | 217.0 | | Outlet temp. (°C) | SPINS-S | 457.8 | 465.9 | 468.2 | 467.0 | 460.0 | | CFD | 485.0 | 485.3 | 485.3 | 484.1 | 481.9 | | Downregion | 1 | 2 | 3 | 4 | 5 | | Hot tube (Na) | Inlet temp. (°C) | SPINS-S | 510.0 | 510.0 | 510.0 | 510.0 | 510.0 | | CFD | 510.0 | 510.0 | 510.0 | 510.0 | 510.0 | | Outlet temp. (°C) | SPINS-S | 379.7 | 370.6 | 368.0 | 368.1 | 371.1 | | CFD | 369.0 | 371.0 | 371.4 | 371.6 | 372.9 | | Cold tube (H2O) | Inlet temp. (°C) | SPINS-S | 215.0 | 216.8 | 218.1 | 218.5 | 218.2 | | CFD | 217.0 | 217.0 | 217.0 | 217.0 | 217.0 | | Outlet temp. (°C) | SPINS-S | 479.3 | 478.8 | 479.7 | 482.2 | 487.0 | | CFD | 500.4 | 499.7 | 499.6 | 499.6 | 499.9 |
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