Oral presentation

III. Fission Energy Engineering » 301-1 Reactor Physics, Utilization of Nuclear Data, Criticality Safety

[1I01-06] Fuel Debris Characterization

Wed. Sep 8, 2021 10:10 AM - 11:55 AM Room I

chair: Rei Kimura (TOSHIBA ESS)

10:10 AM - 10:25 AM

[1I01] The possible use of short half-life noble gas fission products for measurement of criticality and identification of plutonium in fuel debris canister

*Eka Sapta Riyana¹, Keisuke Okumura¹, Masahiro Sakamoto¹, Taichi Matsumura¹, Kenichi Terashima¹ (1. JAEA)

10:25 AM - 10:40 AM

[1I02] Analysis of Effective Multiplication Factor in Sedimentation of Fuel Debris Particles

*Shigeki Shiba¹ (1. Regulatory Standard and Research Department, Secretariat of Nuclear Regulation Authority)

10:40 AM - 10:55 AM

[1I03] Development of the insoluble neutron absorbers using self-assembled surfactant aggregates

(5)Evaluation of fluidity and model debris adhesive property

*Ryota Nambara¹, Takuji Kume¹, Noriaki Ushio¹ (1. KAO)

10:55 AM - 11:10 AM

[1I04] Improvement of the STACY critical assembly to measure critical characteristics of fuel debris

(1)Overview and progress of the modified STACY

*Shouhei Araki¹, Kazuhiko Izawa¹, Satoshi Gunji¹, Kenya Suyama¹, Junichi Ishii¹, Masakazu Seki¹, Fuyumi Kobayashi¹, Hiroyuki Fukaya¹ (1. JAEA)

11:10 AM - 11:25 AM

[1I05] Improvement of the STACY critical assembly to measure critical characteristics of fuel debris

(2)Computations for reactivity measurements of pseudo fuel debris

*Satoshi Gunji¹, Shouhei Araki¹, Kenya Suyama¹, Kazuhiko Izawa¹ (1. JAEA)

11:25 AM - 11:40 AM

[1I06] Whole Core Three-Dimensional Nuclide Inventory Calculation of the Fukushima Daiichi Nuclear Power Station

(3)Activation Calculation Method for Upper and Lower Structural Materials of Fuel Assemblies

*Masahiro Sakamoto¹, Keisuke Okumura¹, Kenichi Tada¹, Kenji Nishihara¹, Shinya Mizokami², Masato Mizokami², Yousuke Miki³, Seiji Kaneko³ (1. JAEA, 2. TEPCO HD, 3. TEPSYS)

Time reserved for Chair (11:40 AM - 11:55 AM)

Session information