2016 Fall Meeting

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Oral Presentation

III. Fission Energy Engineering » 301-2 Reactor Design, Nuclear Energy Strategy, Nuclear Transmutation

[1L08-12] Design of New Type Reactor

Wed. Sep 7, 2016 2:45 PM - 4:05 PM Room L (Kumume City Plaza - Assembly Room 2)

Chair: Rei Kimura (TOSHIBA Co.)

2:45 PM - 3:00 PM

[1L08] Introduction of rock-like oxide fuel in PBR with accumulative fuel loading scheme

*Irwan Liapto Simanullang1, Jun Nishiyama1, Toru Obara1 (1.Tokyo Institute of Technology)

Keywords:Pebble bed reactor, Accumulative fuel loading scheme, Rock-like oxide fuel, High discharged burnup

A rock-like oxide (ROX) fuel was introduced in PBR with accumulative fuel loading scheme to improve the stability of spent fuel under geological disposal. The core with ROX fuel showed high discharged burnup of 198 GWd/t could be achieved but the core lifetime was about 6.6 years. In addition, to satisfy the safety requirement, a negative temperature coefficient was achieved for ROX fuel throughout the operation period.