"Irwan Liapto Simanullang,Jun Nishiyama,Toru Obara","Potential for the use of a liquid activation circulation material to measure the neutron flux in a high gamma-ray background",,"Nuclear Instruments and Methods in Physics Research, A",,"Vol. 903",,"pp. 109-113",2018,July "Irwan Liapto Simanullang,Toru Obara","Burnup performance of MOX and Pu-ROX fuels in small pebble bed reactor with accumulative fuel loading scheme",,"Annals of Nuclear Energy",,"Vol. 120",,"pp. 450-460",2018,June "Irwan Liapt Simanullang,Toru Obara","Burnup Performance of a PBR with an Accumulative Fuel Loading Scheme Utilizing Burnable Poison Particles in UO2and ROX Fuels",,"Energy Procedia",,"Vol. 131",,"pp. 61-68",2017,Dec. "Irwan Liapto Simanullang","Study on Burnup Performance of Small Pebble Bed Reactors with Accumulative Fuel Loading Scheme",,,,,,,2017,Sept. "Irwan Liapto Simanullang","Study on Burnup Performance of Small Pebble Bed Reactors with Accumulative Fuel Loading Scheme",,,,,,,2017,Sept. "Irwan Liapto Simanullang","Study on Burnup Performance of Small Pebble Bed Reactors with Accumulative Fuel Loading Scheme",,,,,,,2017,Sept. "Irwan Liapto Simanullang","Study on Burnup Performance of Small Pebble Bed Reactors with Accumulative Fuel Loading Scheme",,,,,,,2017,Sept. "Irwan Liapto Simanullang,Toru Obara","Introduction of MOX and Pu-ROX fuels in PBR with accumulative fuel loading scheme","2017 fall meeting of Atomic Energy Society of Japan","Proc. of 2017 fall meeting of Atomic Energy Society of Japan",,,," 3H14",2017,Sept. "Irwan Liapto Simanullang,Toru Obara","Burnup performance of rock-like oxide (ROX) fuel in small pebble bed reactor with accumulative fuel loading scheme",,"Annals of Nuclear Energy",,"Vol. 107",,"pp. 110-118",2017,May "Irwan Liapto Simanullang,Toru Obara","Utilization of Burnable Poison Particles in UO2 and ROX Fuels in Pebble Bed Reactor with Accumulative Fuel Loading Scheme","The fifth International Symposiuim on Innovative Nuclear Energy Systems (INES-5)","Abstracts of the fifth International Symposiuim on Innovative Nuclear Energy Systems (INES-5)",,,," A21-1",2016,Oct. "Irwan Liapto Simanullang,Jun Nishiyama,Toru Obara","Introduction of rock-like oxide fuel in PBR with accumulative fuel loading Scheme","2016 autumn meeting of Atomic Energy Society of Japan","Proc. of 2016 autumn meeting of Atomic Energy Society of Japan","Atomic Energy Society of Japan",,," 1L08",2016,Sept. "Irwan Liapto Simanullang,Toru OBARA","Optimization of initial fuel composition for Small Pebble Bed Reactor with accumulative fuel loading scheme; (2) Use of burnable poison","2016 annual meeting of Atomic Energy Society of Japan","Proc. of 2016 annual meeting of Atomic Energy Society of Japan",,,," 3O10",2016,Mar. "Irwan Liapto Simanullang,Toru OBARA","Improvement of core design of small pebble bed reactor with accumulative fuel loading scheme",,"Annals of Nuclear Energy",,"Vol. 94",,"pp. 87-92",2016,Mar. "Irwan Liapto Simanullang,Toru Obara","Burnup Analysis of Accumulative Fuel Loading Scheme Pebble Bed Reactor with Optimum Fuel Composition","American Nuclear Society 2015 Winter Meeting","Transactions of the American Nuclear Society",,"Vol. 113",,"pp. 919-921",2015,Nov. "Irwan Liapto SIMANULLANG,Toru OBARA","Optimization of Initial Fuel Composition for Small Pebble Bed Reactor with Accumulative Fuel Loading Scheme (1)Reduction of Fuel Enrichment","日本原子力学会2015年秋の大会","日本原子力学会2015年秋の大会予稿集",,,," D23",2015,Sept. "Toru Obara,Dwi Irwanto,Tomonori Nakashima,Taiki Onoe,Piyatida Trinuruk,Topan Setiadipura,Sambuu Odmaa,Hai Quan Ho,Irwan Liapto Simanullang","Design Concept Study for Innovative High Temperature Gas-Cooled Reactors","Reactor Physics Asia 2015 (RPHA15)","Proceedings of the Reactor Physics Asia 2015 (RPHA15) Conference",,,," 12DAIR2-1",2015,Sept. "Irwan Liapt Simanullang,Toru Obara","IMPROVEMENT OF BURNUP ANALYSIS FOR PEBBLE BED REACTORS WITH ANACCUMULATIVE FUEL LOADING SCHEME","ICONE-23, 23th International Conference on Nuclear Engineering","Proceedings of ICONE-23",,,," ICONE23-1627",2015,May