DETERMINATION OF FIRST CRITICALITY IN TRIGA 2000 REACTOR MODIFICATION USING PLATE TYPE FUEL WITH MCNP6

iza shafera hardiyanti; Riyatun Riyatun; Suharyana Suharyana; Azizul Khakim

UNS Conference Portal, 3rd INTERNATIONAL CONFERENCE ON ADVANCED MATERIAL FOR BETTER FUTURE 2018 (3rd ICAMBF 2018)

iza shafera hardiyanti, Riyatun Riyatun, Suharyana Suharyana, Azizul Khakim

Last modified: 2018-10-07

Abstract

This research offers a fuel conversion from cylinder type to plate type for solving the operation problems as a solution to the termination of TRIGA reactor fuel production. The research has been implemented utilizing MCNP6 software to model and simulate core of the TRIGA 2000 reactor using plate type fuel. The geometry of the simulated reactor is the reflector, moderator and reactor tank. The fuel used is Al with 19.75% enrichment and the density is 2.96 gU/, the reflector is graphite and the control rod is AgInCd. The results of this study are the first criticality value of the TRIGA 2000 reactor using plate type fuel was obtained with 15 fuel assemblies with the control rod position at 11.97 cm from the top surface of the reactor core, the value is (1.00000 ± 0.00016), while the first criticality reference value for initial configuration of TRIGA reactor core is (1.00 ± 0.01).

Keywords

TRIGA 2000, MCNP6, First criticality, plate type fuel