Sensitivity Analysis of the TRIGA IPR-R1 Reactor Models Using the MCNP Code

Table 1

Main data of simulated models.

Modified elements description		Dimension 1 (cm)	Dimension 2 (cm)
Active core	Outer radius	22.098	22.060
Annular reflector	Inner radius	22.730	23.050
	Outer radius	53.140	53.500
	Height	53.950	56.000
Annular reflector cladding	Inner radius	22.098	22.060
	Outer radius	54.410	54.500
	Height	55.855	58.000
Rotary rack groove	Inner radius	29.883	29.050
	Outer radius	36.957	38.509
Graphite element	Graphite radius	1.799	1.789
Aluminium fuel element	Fuel radius	1.790	1.780
	Cladding inner radius	1.799	1.789
Stainless steel fuel element	Central zirconium radius	0.286	0.318
	Cladding outer radius	1.865	1.880
Control rods	Cladding inner radius	1.060	0.965
	Cladding outer radius	1.111	1.110
Information of criticality calculation		Dimensions 1 and 2
kcode particles number		100,000
Simulated cycles number (skipped)		515 (15)
Fission source		Punctual source at origin of system
		System: OpenSUSE 12.1
		Total memory (RAM): 94.5 GB
Machine processor		Processor Intel (R) Xeon (R) CPU X5690 @ 3.47
		Speed: 1,596 MHz
		Core number: 24