Uncertainty and Sensitivity Studies with TRACE-SUSA and TRACE-DAKOTA by Means of Transient BFBT Data

Table 1

Main features of assembly C2A.

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 [—]	cosine