inagaki hiromitsu¹, matsui kazuo¹, *takayuki utsushikawa², hiroe fujita², takashi kurebayashi², kazuaki tomizawa³, kazuhisa fujita⁴ (1. Chubu Electric Power Co.,, 2. Japan Environment Research Co.,, 3. Toyokoh Co.,, 4. Graduate school for the Creation of New Photonics Industries)

5:20 PM - 5:35 PM

[2C18] Performances of the Laser Decontamination and Peeling Machine with A Gun Type Nozzle and Vacuum Collector

*Eisuke John Minehara¹ (1. LDD Corporation)

Time reserved for Chair （5:35 PM - 5:40 PM）

Oral presentation

[2C19-21] Measurementand Evaluation Method of Radioactivity Concentration

Thu. Sep 12, 2019 5:40 PM - 6:30 PM Room C (Common Education Bildg. 1F C13)

Chair:Takeyoshi Sunagawa(Fukui Univ. of Tech.)

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5:40 PM - 5:55 PM

[2C19] Rationalization of radioactivity concentration measurement in clearance process

Study on measurement methodology for non-uniformity of radioactivity concentration

*Minako Endo¹, Daisuke Kawasaki¹, Satoshi Yanagihara¹ (1. Univ. of Fukui)

5:55 PM - 6:10 PM

[2C20] Development of Measurement / Evaluation Procedure for Clearance of Dismantled Objects arising from Hamaoka NPP -1/2

(1)General Outline and Deposit Radioactivity

*Motonori NAKAGAMI¹, Takashi MIMURA¹, Kenta KAWAI¹, Masato WATANABE¹ (1. Chubu Electric Power Co., Inc.)

6:10 PM - 6:25 PM

[2C21] Development of Measurement / Evaluation Procedure for Clearance of Dismantled Objects arising from Hamaoka NPP -1/2

(2)Neutron Induced Radioactivity

*Masato Watanabe¹, Motonori Nakagami¹, Takashi Mimura¹, Kenta Kawai¹, Ryoji Mizuno² (1. Chubu Electric Power, 2. Chuden CTI)

Time reserved for Chair （6:25 PM - 6:30 PM）

Oral presentation

[3C01-04] Analysis, Scinario evaluation and System development 3

Fri. Sep 13, 2019 9:30 AM - 10:35 AM Room C (Common Education Bildg. 1F C13)

Chair:Chikara Ito(JAEA)

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9:30 AM - 9:45 AM

[3C01] Amount of LLRW affected by the local fluctuation of elemental composition

*Norikazu Kinoshita¹, Takuma Noto¹, Kazuaki Kosako¹, Motoyuki Asada¹, Akane Tada¹, Kohei Urabe¹, Kazuyuki Torii¹ (1. Shimizu Co.)

9:45 AM - 10:00 AM

[3C02] Influence of ⁵⁹Ni radioactivity on decommissioning(2)

*hideo ezure¹ (1. NAIS)

10:00 AM - 10:15 AM

[3C03] Development of dose evaluation method for confirmation of completion of decommissioning

(1)Development of estimation method of contamination distribution for dose evaluation

*Taro Shimada¹, Nobuhide Nabekura², Kazuji Miwa¹, Seiji Takeda¹ (1. JAEA, 2. V.I.C.)

10:15 AM - 10:30 AM

[3C04] Development of dose evaluation method for confirmation of completion of decommissioning

(2)Development of dose evauation method caused by surface soil contamination after site release

*kazuji miwa¹, masakazu namekawa², taro shimada¹, seiji takeda¹ (1. JAEA, 2. NAIS)

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

Oral presentation

[3C05-09] Analysis, Scinario evaluation and System development 4

Fri. Sep 13, 2019 10:35 AM - 11:55 AM Room C (Common Education Bildg. 1F C13)

Chair:Norikazu Kinoshita(Shimizu)

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10:35 AM - 10:50 AM

[3C05] Dismantlment status and future plans in FUGEN

*Kenta Aratani¹, Masahiro Ishiyama¹, Yuto Awatani¹, Yuta Miyamoto¹, Masashi Tezuka¹ (1. JAEA)

10:50 AM - 11:05 AM

[3C06] Decommissioning of Tokai Reprocessing Plant (TRP)

(1)Outline

*Katsuya Taguchi¹, Kowa Hashimoto¹, Kazuki Akiyama¹, Yoshihiko Nagasato¹ (1. JAEA)

11:05 AM - 11:20 AM

[3C07] Decommissioning of Tokai Reprocessing Plant (TRP)

(2)Approach to the decommissioning schedule

*Kazuki Akiyama¹, Katsuya Taguchi¹, Yoshihiko Nagasato¹ (1. JAEA)

11:20 AM - 11:35 AM

[3C08] Decommissioning of Tokai Reprocessing Plant (TRP)

(3)Evaluation of waste generation and decommissioning cost

*Kowa Hashimoto¹, Masanori Okano¹, Katsuya Taguchi¹, Yoshihiko Nagasato¹ (1. JAEA)

11:35 AM - 11:50 AM

[3C09] Decommissioning of Tokai Reprocessing Plant (TRP)

(4)Specific activities for risk reduction for TRP decommissioning

*Yutaka Nakazawa¹, Manabu Murakami¹, Katsuya Taguchi¹, Takafumi Nakano¹, Yoshihiko Nagasato¹ (1. JAEA)

Time reserved for Chair （11:50 AM - 11:55 AM）

Oral presentation

[3C10-15] Decommissioning Technology for Fukushima 2

Fri. Sep 13, 2019 2:45 PM - 4:20 PM Room C (Common Education Bildg. 1F C13)

Chair:Taro Shimada(JAEA)

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2:45 PM - 3:00 PM

[3C10] Analysis of particles generated by laser processing and development of their nuclide identification methodology

(1)Overview of the plan and spectroscopic analysis

*Shuichi Hasegawa¹, Masabumi Miyabe², Hiroyuki Daido³, Chikara Ito², Tomonori Yamada², Takuya Shibata² (1. Univ. of Tokyo, 2. JAEA, 3. Institute for Laser Technology)

3:00 PM - 3:15 PM

[3C11] Analysis of particles generated by laser processing and development of their nuclide identification methodology

(2)Laser irradiation test for characterization of generating fine particles

*Tomonori Yamada¹, Hiroyuki Daido², Chikara Ito¹, Masabumi Miyabe¹, Takuya Shibata¹, Shuichi Hasegawa³ (1. JAEA, 2. ILT, 3. Univ. of Tokyo)

3:15 PM - 3:30 PM

[3C12] Analysis of particles generated by laser processing and development of their nuclide identification methodology

(3)Observation of fine particles produced during a laser cutting using a high speed camera

*Hiroyuki Daido¹, Tomonori Yamada², Chikara Ito², Masabumi Miyabe², Takuya Shibata², Shuichi Hasegawa³ (1. Institute for Laser Technology, 2. JAEA, 3. Univ. of Tokyo)

3:30 PM - 3:45 PM

[3C13] Analysis of particles generated by laser processing and development of their nuclide identification methodology

(4)Proposal of particle measuring technique using an aerodynamic lens

*Chikara Ito¹, Tomonori Yamada¹, Hiroyuki Daido², Masabumi Miyabe¹, Takuya Shibata¹, Shuichi Hasegawa³ (1. JAEA, 2. Institute for Laser Technology, 3. Univ. of Tokyo)

3:45 PM - 4:00 PM

[3C14] Development of Fuel Debris Canister

(14)Validation Test of Fuel Debris Canister Lid

*Daisuke Nagahira¹, Hideaki Uchiyama², Toshihiro Matsuoka³, Tomoya Iwashima⁴, Nodoka Miyamoto¹, Kazuma Hirosaka¹, Yuuichi Matsushita¹, Manabu Ueno¹ (1. HGNE, 2. IRID, 3. MHI, 4. Toshiba Energy Systems & Solutions Corporation)

4:00 PM - 4:15 PM

[3C15] Development of Fuel Debris Canister

(15)Effect of alpha-rays on Hydrogen Production using Spent Fuel (Part2)

*Nodoka Miyamoto¹, Hideaki Uchiyama², Toshihiro Matsuoka³, Tomoya Iwashima⁴, Daisuke Nagahira¹, Yuuichi Matsushita¹, Kazushige Ishida¹, Manabu Ueno¹ (1. HGNE, 2. IRID, 3. MHI, 4. Toshiba Energy Systems & Solutions Corporation)

Time reserved for Chair （4:15 PM - 4:20 PM）

Sessions

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

[2C01-03] Analysis, Scinario Evaluation and System Development 1

Development of a technique preventing B4C diffusion during volume reduction of spent control rods(2)

Semantic network

[2C04-07] Analysis, Scinario Evaluation and System Development 2

Sensitivity of the costs to the parameters of measurement and decontamination

[2C08-11] Decommissioning Technology for Fukushima 1

(1)Effect of temperature and composition on zircon formation during MCCI

[2C12-18] Dismantling and Decontamination Technology

(1)Plan for Sampling of Reactor Core Components and Radionuclide Analysis

(2)Current Status of Sampling for Reactor Core by using Remote Sampling Device

(1)Particle Size Distribution of Dust

(2)Reduction of Dust and Penetrated Beam by Water Mist Spraying

(4)Decontamination test for radioactive metallic wastes

[2C19-21] Measurementand Evaluation Method of Radioactivity Concentration

Study on measurement methodology for non-uniformity of radioactivity concentration

(1)General Outline and Deposit Radioactivity

(2)Neutron Induced Radioactivity

[3C01-04] Analysis, Scinario evaluation and System development 3

(1)Development of estimation method of contamination distribution for dose evaluation

(2)Development of dose evauation method caused by surface soil contamination after site release

[3C05-09] Analysis, Scinario evaluation and System development 4

(1)Outline

(2)Approach to the decommissioning schedule

(3)Evaluation of waste generation and decommissioning cost

(4)Specific activities for risk reduction for TRP decommissioning

[3C10-15] Decommissioning Technology for Fukushima 2

(1)Overview of the plan and spectroscopic analysis

(2)Laser irradiation test for characterization of generating fine particles

(3)Observation of fine particles produced during a laser cutting using a high speed camera

(4)Proposal of particle measuring technique using an aerodynamic lens

(14)Validation Test of Fuel Debris Canister Lid

(15)Effect of alpha-rays on Hydrogen Production using Spent Fuel (Part2)

Authentication