Oral presentation

[1F01-05] Analysis, Scinario Evaluation and System Development 1

Wed. Sep 5, 2018 10:40 AM - 12:00 PM Room F (A36 -A Building)

Chair:Nobutake Horiuchi(MMC)

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10:40 AM - 10:55 AM

[1F01] Activation estimation for decommissioning of nuclear reactor

(1) Analyses of activation element in concrete

*Norikazu Kinoshita¹, Takuma Noto¹, Kazuaki Kosako¹, Motoyuki Asada¹, Akane Tada¹, Kohei Urabe¹, Kazuyuki Torii¹, Tsutomu Ohtsuki², Shun Sekimoto² (1. Shimizu Co., 2. KURNS)

10:55 AM - 11:10 AM

[1F02] Activation estimation for decommissioning of nuclear reactor

(2) Precision of activation using Monte Carlo simulation

*Takuma Noto¹, Norikazu Kinoshita¹, Kazuaki Kosako¹, Motoyuki Asada¹, Kohei Urabe¹, Kazuyuki Torii¹, Tsutomu Ohtsuki², Shun Sekimoto² (1. Shimizu Corporation, 2. KURNS)

11:10 AM - 11:25 AM

[1F03] Sensitivity analysis on activation of reactor structural materials and radioactivity concentration in demolition wastes

*Kouhei Igarashi¹, Daisuke Kwasaki¹, Satoshi Yanagihara¹ (1. University of Fukui)

11:25 AM - 11:40 AM

[1F04] The effects of uncertainty of radionuclide concentration in clearance measurement on the exposure dose assessment

*Minako Endou¹, Daisuke Kawasaki¹, Satoshi Yanagihara¹ (1. Univercity of Fukui)

11:40 AM - 11:55 AM

[1F05] Scenario Analysis on Reusing Clearanced Materials from Nuclear Decommissioning

*kosuke yamamoto¹, Daisuke Kawasaki¹, Satoshi Yanagihara¹ (1. University of fukui)

Time reserved for Chair （11:55 AM - 12:00 PM）

Oral presentation

[1F06-11] Analysis, Scinario Evaluation and System Development 2

Wed. Sep 5, 2018 2:45 PM - 4:15 PM Room F (A36 -A Building)

Chair:Norikazu Kinoshita(Shimizu)

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2:45 PM - 3:00 PM

[1F06] Evaluation of Project Management Parameters for Decommissioning of KARTINI Reactor

*Anggoro Septilarso¹, Daisuke Kawasaki¹, Satoshi Yanagihara¹ (1. University of Fukui)

3:00 PM - 3:15 PM

[1F07] A study on analysis of actual data in "Fugen" decommissioning

*Yuya Kouda¹ (1. Fugen Decommissioning Engineering Center)

3:15 PM - 3:30 PM

[1F08] Development of manpower estimation method for decommissioning activities

Analysis and modeling of various records by statistical learning

*Keisuke Komatsu¹, Daisuke Kawasaki¹, Satoshi Yanagihara¹ (1. University of Fukui)

3:30 PM - 3:45 PM

[1F09] Development of estimation methods for decommissioning work period and its uncertainty

*Ryota Sugimoto¹, Daisuke Kawasaki¹, Satoshi Yanagihara¹ (1. Fukui Univ.)

3:45 PM - 4:00 PM

[1F10] Development of Technology for Evaluating Waste Quantity Based on Automatic Generation of 3D Models by Cutting Equipment in Nuclear Power Plants

*Hiroshi Seki¹, Mitsuko Fukuda¹, Takuya Yoshida¹, Atsuko Enomoto¹, Mitsutaka Imamura², Hiroshi Nagase², Jyunya Tahata² (1. Hitachi, 2. Hitachi-GE Nuclear Energy)

4:00 PM - 4:15 PM

[1F11] Application of VRdose for the Decommissioning

*Yasuyoshi Taruta^1,2, Kawasaki Daisuke¹, Satoshi Yanagihara¹ (1. Fukui University, 2. JAEA)

Oral presentation

[1F12-16] Development for Fuel Debris Treatment

Wed. Sep 5, 2018 4:15 PM - 5:30 PM Room F (A36 -A Building)

Chair:Daisuke Kawasaki(Fukui Univ.)

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4:15 PM - 4:30 PM

[1F12] Stady on elemental analysis method of fuel debris in Fukushima Daiichi Nuclear Power Station

*Hiroshi Hinai¹, Nobufumi Toda¹, Atsuhiro Shibata¹, Kazunori Nomura¹ (1. Japan Atomic Energy Agency )

4:30 PM - 4:45 PM

[1F13] Study on physical mechanism in aging phenomenon of fuel debris

(1) Transition of total crack length by cyclic temperature fluctuation

*Seiya Suzuki¹, Kimihiko Yano¹, Masayuki Watanabe¹, Kenji koizumi¹ (1. Japan Atomic Energy Agency)

4:45 PM - 5:00 PM

[1F14] Study to evaluate leaching mass of elements from damaged fuels

(1)Leaching behavior of multiphase molten debris in the system of stainless steel and zircaloy

*Hirotomo Ikeuchi¹, Kimihiko Yano¹, Masayuki Watanabe¹, Kenji Koizumi¹ (1. JAEA)

5:00 PM - 5:15 PM

[1F15] The specification of storage container for fuel debris

*Makito Watakabe¹, Haruo Morishige¹, Yosuke Yamashiki^1,2 (1. Fukushima Nuclear Accident Countermeasures Review Group, 2. Kyoto Univ.)

5:15 PM - 5:30 PM

[1F16] Frozen the water vapor contained in the outside air which is transmitted to the cracks and blocked the containment vessel

*Yasufumi Kitamura¹, Haruo Morishige¹, Yosuke Yamashiki^1,2 (1. Fukushima Nuclear Accident Countermeasures Review Group, 2. Kyoto Univ.)

Oral presentation

[1F17-18] Dismantling and Decontamination Technology 1

Wed. Sep 5, 2018 5:30 PM - 6:00 PM Room F (A36 -A Building)

Chair:Masashi Tezuka(JAEA)

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5:30 PM - 5:45 PM

[1F17] Decontamination method for inside of small diameter piping waste(part3)

*TSUCHIDA DAISUKE¹, TAKAHASHI HIROSHI² (1. JAEA, 2. Fuji Furukawa Engineering & Construction Corp.)

5:45 PM - 6:00 PM

[1F18] Development of the Electrolytic Decontamination Machine for Pipes

(3)Relationship between Electrolytic Polishing Depth and Decontamination Performance

*Akira Maruyama¹, Katsuya Sasaki², Hiroyuki Daiku², Masahiro Ishiyama³, Yuto Yoshida³, Kenta Aratani³ (1. Ultra Finish Technology, 2. Hitachi Zosen, 3. Japan Atomic Energy Agency)

Oral presentation

[3F01-04] Standard Related to Decommissioning Plan

Fri. Sep 7, 2018 9:30 AM - 10:35 AM Room F (A36 -A Building)

Chair:Haga Kazuko(Taiheiyo Consultant)

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9:30 AM - 9:45 AM

[3F01] Developing safety standard for decommissioning

Implementation of basic safety measures on planning and practice of decommissioning

*Ken-ichi Tanaka¹, Seiichi KUdo², Takehiro Iwata³, Muneyuki Nakada⁴ (1. The Institute of Applied Energy, 2. MHI Nuclear Systems And Solution Engineering Co.,Ltd, 3. The Japan Atomic Power Company, 4. Hitachi-GE nuclear energy,Ltd.)

9:45 AM - 10:00 AM

[3F02] Developing safety standard for decommissioning

(2) Study on potential exposure during decommissioning activities

*Seiichi Kudo Kudo¹, Takehiro Iwata², Muneyuki Nakada³, Ken-ichi Tanaka⁴ (1. MHI Nuclear Systems And Solution Engineering Co.,Ltd, 2. The Japan Atomic Power Company, 3. Hitachi-GE nuclear energy,Ltd., 4. The Institute of Applied Energy)

10:00 AM - 10:15 AM

[3F03] Developing safety standard for decommissioning

(3) Study on criteria referred to in safety assessment for decommissioning

*Takehiro Iwata¹, Muneyuki Nakada², Ken-ichi Tanaka³, Seiichi Kudo⁴ (1. The Japan Atomic Power Company, 2. Hitachi-GE nuclear energy,Ltd., 3. The Institute of Applied Energy, 4. MHI Nuclear Systems And Solution Engineering Co.,Ltd)

10:15 AM - 10:30 AM

[3F04] Developing safety standard for decommissioning

(4) Study on applying Graded-Approach to safety measures on decommissioning activities

Ken-ichi Tanaka², Seiichi Kudo³, Takehiro Iwata⁴, *Muneyuki Nakada¹ (1. Hitachi-GE nuclear energy,Ltd., 2. The Institute of Applied Energy, 3. MHI Nuclear Systems And Solution Engineering Co.,Ltd, 4. The Japan Atomic Power Company)

Time reserved for Chair （10:30 AM - 10:35 AM）

Oral presentation

[3F05-09] Dismantling and Decontamination Technology 2

Fri. Sep 7, 2018 10:35 AM - 12:00 PM Room F (A36 -A Building)

Chair:Eisuke John Minehara(LDD)

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10:35 AM - 10:50 AM

[3F05] Evaluation of the Cutting and Dust Generation of Simulant Material of Reactor Pressure Vessel by 30 kW Fiber LASER

*Haruhiko Kadowaki¹, Ryoya Ishigami¹, Goro Soejima², Hiroki Iwai², Yasuyuki Nakamura² (1. WERC, 2. JAEA)

10:50 AM - 11:05 AM

[3F06] Evaluation of leaching behavior of Cs from contaminated concrete.

*Haga Kazuko¹, Tsuneki Ichikawa², Kazuo Yamada³ (1. Tiheiyo Consultant Co., Ltd., 2. Hokkaido univ., 3. National Industrial For Environmental Studies)

11:05 AM - 11:20 AM

[3F07] A decontamination characteristic of the metal surface with Uranium hexafluoride

(1) Basic test used simulation sample

*Takuya Nakayama¹, Mitsuo Nomura¹, Yutaka Mita¹, Noritake Sugitsue¹, Hitoshi Yonekawa², Misako Bunbai², Yumi Yaita³, Eiichi Murata³, Katsumi Hosaka³ (1. JAEA, 2. JNFL, 3. Toshiba Energy Systems & Solutions Corporation)

11:20 AM - 11:35 AM

[3F08] A decontamination characteristic of the metal surface with Uranium hexafluoride

(2) Basic test used actual sample

*Mita Yutaka¹, Mitsuo Nomura¹, Takuya Nakayama¹, Noritake Sugitsue¹, Hitosh Yonekawa², Misako Bunbai², Yumi Yaita³, Eiichi Murata³, Katsumi Hosaka³ (1. JAEA, 2. JNFL, 3. Toshiba Energy Systems & Solutions Corporation)

11:35 AM - 11:50 AM

[3F09] A decontamination characteristic of the metal surface with Uranium hexafluoride

(3) Evaluation of rational for decontamination technique

Takuya Nakayama¹, Mitsuo Nomura¹, Yutaka Mita¹, Noritake Sugitsue¹, Hitoshi Yonekawa², Misako Bunbai², *Yumi Yaita³, Eiichi Murata³, Katsumi Hosaka³ (1. Japan Atomic Energy Agency, 2. Japan Nuclear Fuel Limited, 3. Toshiba Energy Systems & Solutions Corporation)

Time reserved for Chair （11:50 AM - 12:00 PM）

Oral presentation

[3F10-12] Dismantling and Decontamination Technology 3

Fri. Sep 7, 2018 2:45 PM - 3:35 PM Room F (A36 -A Building)

Chair:Ken-Ichi Tanaka(IAE)

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2:45 PM - 3:00 PM

[3F10] Development of Practical Realization for Laser-Gouging Decontamination Method

*Yuki Hashikawa¹, Shoya Honda², Takehisa Okuda², Takashi Nakano², Yasutoshi Ueda², Kazuhiro Yoshida² (1. NUSEC, 2. MHI)

3:00 PM - 3:15 PM

[3F11] Simplified Designs and their Consignment Production of the Fully-automated Laser Decontamination Device

*Eisuke John Minehara¹, Hisashi Imai ², Atsuo Yamada² (1. LDD Corporation, 2. HAZAMA ANDO CORPORATION)

Time reserved for Chair （3:30 PM - 3:35 PM）

3:15 PM - 3:30 PM

[3F12] Simulated decontamination on non-RI field using motion capture technique

*Ryuichiro Yamagishi¹, Naotoshi Kuwamuro¹ (1. The Wakasa Wan Energy Research Center)

Sessions

V. Nuclear Fuel Cycle and Nuclear Materials » 505-3 Decommissioning Technology of Nuclear Facilities

[1F01-05] Analysis, Scinario Evaluation and System Development 1

(1) Analyses of activation element in concrete

(2) Precision of activation using Monte Carlo simulation

[1F06-11] Analysis, Scinario Evaluation and System Development 2

Analysis and modeling of various records by statistical learning

[1F12-16] Development for Fuel Debris Treatment

(1) Transition of total crack length by cyclic temperature fluctuation

(1)Leaching behavior of multiphase molten debris in the system of stainless steel and zircaloy

[1F17-18] Dismantling and Decontamination Technology 1

(3)Relationship between Electrolytic Polishing Depth and Decontamination Performance

[3F01-04] Standard Related to Decommissioning Plan

Implementation of basic safety measures on planning and practice of decommissioning

(2) Study on potential exposure during decommissioning activities

(3) Study on criteria referred to in safety assessment for decommissioning

(4) Study on applying Graded-Approach to safety measures on decommissioning activities

[3F05-09] Dismantling and Decontamination Technology 2

(1) Basic test used simulation sample

(2) Basic test used actual sample

(3) Evaluation of rational for decontamination technique

[3F10-12] Dismantling and Decontamination Technology 3

Authentication