Research Article
Uncertainty and Sensitivity Studies with TRACE-SUSA and TRACE-DAKOTA by Means of Steady State BFBT Data
Table 1
Main features of assembly type 4.
| Parameter (unit) | Value |
| Number of fuel rods (−) | 60 | Outer diameter (mm) | 12.3 | Rod pitch (mm) | 16.2 | Heated length (mm) | 3708 | Number of water rods (−) | 1 | Channel box inner width (mm) | 132.5 | Channel box corner radius (mm) | 8 | In channel flow area (mm²) | 9463 | Number of spacers (−) | 7 | Spacer type (−) | Ferrule | Spacer form loss coefficient (−) | 1.2 | Spacer location (mm) | 455, 967, 1479, 1991, 2503, 3015, 3527 | Heater outer diameter (mm) | 7.3 | Heater material (−) | Nichrome | Insulator outer diameter (mm) | 9.7 | Insulator material (−) | Boron nitride | Cladding thickness (mm) | 1.3 | Cladding material (−) | Inconel 600/beryllium | Axial power profile (−) | uniform |
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