Comparative Analysis of the Dalat Nuclear Research Reactor with HEU Fuel Using SRAC and MCNP5

Table 1

Specifications of the DNRR.

Reactor type	Pool type
Nominal thermal power	500 kW
Coolant and moderator	Water
Core cooling mechanism	Natural convection
Reflector	Graphite, beryllium, water
Active core height	60 cm
Core equivalent diameter	44.2 cm
Fuel pitch	3.5 cm
Fuel type	VVR-M2 type
Fuel meat	U-Al alloy
Fuel cladding	Aluminum alloy
^235U enrichment	36 wt%
Number of control rods	7 (2 safety rods, 4 shim rods, 1 regulating rod)
Material of safety and shim rods	B4C
Material of automatic regulating rod	Stainless steel
Neutron measuring channels	9 (6 CFC, 3 CIC)
Vertical irradiation channels	4 (1 neutron trap, 1 wet channel, 2 dry channels)
Horizontal beam ports	4 (1 tangential, 3 radials)