Core conversion design study of TRIGA Mark 2000 Bandung using MTR plate type fuel element Online publication date: Tue, 16-Oct-2018
by Surian Pinem; Tagor Malem Sembiring; Tukiran Surbakti
International Journal of Nuclear Energy Science and Technology (IJNEST), Vol. 12, No. 3, 2018
Abstract: The TRIGA 2000 Bandung (TRIGA 2000) is a TRIGA Mark II type reactor with the nominal thermal power of 2 MW. It is used as a back-up reactor for irradiation radioisotope targets to the local market. This present study describes the fuel type conversion, from TRIGA fuel rod type to the MTR fuel plate type, as a solution to the fuel shortage. The optimum silicide (U3Si2-Al) equilibrium core are obtained by using WIMSD/5B (cell calculations) and BATAN-FUEL and BATAN-3DIFF (core calculations) codes for static and kinetic core parameters. The core calculation results showed that the optimum equilibrium core configuration is 5×5 core grid position and the maximum thermal neutron fluxes in the centre and periphery core are 6.07×1013 neutron/cm2s and 1.41×1013 neutron/cm2s, respectively. It is concluded that TRIGA 2000 reactor can be designed with very satisfactory static parameters and inherent safety.
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