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Oral presentation

Development of safety review method for hot laboratories, 1; Safety review method for hot laboratories

Mizukoshi, Yasutaka; Fujishima, Tadatsune; Sakamoto, Naoki; Amagai, Tomio; Omori, Tsuyoshi

no journal, , 

no abstracts in English

Oral presentation

Development of safety review method for hot laboratories, 2; Operation experiences and safety review of hot laboratories

Fujishima, Tadatsune; Mizukoshi, Yasutaka; Sakamoto, Naoki; Amagai, Tomio; Omori, Tsuyoshi

no journal, , 

no abstracts in English

Oral presentation

Electro-deposition behavior of TRU with liquid Cd cathode

Kofuji, Hirohide; Fukushima, Mineo; Myochin, Munetaka; Kormilitzyn, M.*; Terai, Takayuki*

no journal, , 

In the metal electrorefining reprocessing method, transuranic elements (TRU) are recovered simultaneously with the liquid cadmium cathode (LCC) and are decontaminated from the fission products dissolving in the melt. Lab-scale experiments were carried out to evaluate the performance of TRU recoverly with LCC using U, Pu and minor actinides (MA), and it was confirmed that TRU could be recoverd simultaneously with LCC by electrode position.

Oral presentation

Development of safety review method for hot laboratories, 3; Remote maintenance techniques for hot laboratories

Sakamoto, Naoki; Yoshikawa, Katsunori; Kushida, Naoya; Nagamine, Tsuyoshi; Sukegawa, Kiyoshi*

no journal, , 

no abstracts in English

Oral presentation

Plasma arc cutting test using the JPDR dismantling waste, 2; Particle size distribution and dispersion mechanism of the radioactive aerosols

Takamura, Atsushi; Shimada, Taro; Oshima, Soichiro; Uno, Yuichi; Gunji, Soichi*; Ito, Takeshi; Sukegawa, Takenori; Tanaka, Tadao; Nakayama, Shinichi

no journal, , 

no abstracts in English

Oral presentation

Detailed design of irradiation experimental device for 12inch NTD-Si ingot in JRR-4

Watanabe, Masanori; Yagi, Masahiro; Yamamoto, Kazuyoshi; Kusunoki, Tsuyoshi

no journal, , 

no abstracts in English

Oral presentation

Status for the measurement of iodine-129 by the AMS at the JAEA-Mutsu and its application for oceanographic studies

Suzuki, Takashi; Kabuto, Shoji; Yamamoto, Nobuo; Togawa, Orihiko

no journal, , 

no abstracts in English

Oral presentation

Development of Monju plant dynamics analysis code, 2; Improvement of plant initial heat balance settings for Super-COPD

Kato, Mitsuya*; Takano, Masahito*; Morizono, Koji

no journal, , 

no abstracts in English

Oral presentation

Development of Monju plant dynamics analysis code, 1; Development plan

Yamada, Fumiaki; Kimura, Koichi; Jo, Takahisa; Mori, Takero; Morizono, Koji; Tamayama, Kiyoshi; Miyakawa, Akira

no journal, , 

In this report that development plan of Monju plant dynamics analysis code.

Oral presentation

Study to translate nuclear technical terms with clear and simple explanations, 1; Project overview

Shobu, Nobuhiro; Takashita, Hirofumi; Horikoshi, Hidehiko*; Osawa, Yukiko*

no journal, , 

We had studied to translate nuclear technical terms with clear and simple explanations. We are planning to present the project overview in this conference.

Oral presentation

Current status of Mizunami Underground Research Laboratory project, 1; Results of characterization of geological environment and further plan

Saegusa, Hiromitsu; Uchida, Masahiro; Hama, Katsuhiro; Matsui, Hiroya; Takeuchi, Shinji; Tsuruta, Tadahiko; Amano, Kenji; Takeuchi, Ryuji; Mizuno, Takashi; Matsuoka, Toshiyuki

no journal, , 

no abstracts in English

Oral presentation

Decommissioning project of uranium conversion plant, 1; Master plan

Morimoto, Yasuyuki; Ikegami, Sohei; Sugitsue, Noritake

no journal, , 

no abstracts in English

Oral presentation

Illustration of an approach to assess the effect of uplift/denudation for groundwater scenarios of a geological disposal concept in a hypothetical sedimentary rock

Ebashi, Takeshi; Kawamura, Makoto; Inagaki, Manabu; Koo, Shigeru*; Shibata, Masahiro; Itazu, Toru; Nakajima, Kunihiko*

no journal, , 

It is considered that it is possible to avoid the effect of the uplift and denudation process on geological disposal system by siting and a repository design. However, since the uplift/denudation continues far into the future, it is important to enhance the confidence of the methodology to evaluate such an effect, based on the understanding of geohistorical information and potential impact on the disposal system. This paper presents an evolution pattern of the geological environment and the influence analysis in terms of system performance affected by the uplift and denudation process based on the relevant conceptual models for groundwater scenarios of the disposal system for a hypothetical sedimentary rock.

Oral presentation

The Development of a long life control rod in the fast reactor, 5; Dimensional measurement results of shroud tube of sodium bonded type control rod irradiated in Joyo

Donomae, Takako; Katsuyama, Kozo; Tachi, Yoshiaki; Maeda, Koji; Inoue, Takayuki*; Fukasaku, Hironobu*

no journal, , 

no abstracts in English

Oral presentation

Development of SPEEDI-MP, comprehensive simulation system for circulation of environmental pollutants, 11; Application of atmospheric models to the environmental assessment of the Rokkasho Reprocessing Plant, 2

Terada, Hiroaki; Nishizawa, Masato; Nagai, Haruyasu; Chino, Masamichi; Sasaki, Koichi*

no journal, , 

SPEEDI-MP has been developed for comprehensive prediction of migration of radionuclides in the atmosphere, ocean, and terrestrial region. In this study, we made attempt to distinguish the contributions to observed air dose rate between natural and artificial radionuclides from the reprocessing facility in Rokkasho, Aomori. For the purpose, two atmospheric dispersion models of SPEEDI-MP were applied, which were an Eulerian model for natural radionuclides and a Lagrangian particle model for artificial radionuclides. During the period of 10 September 2007, the model prediction performance was improved by using the observation data at the height of 250 m and 300 m above ground in addition to those from the surface to 150 m level for data assimilation in meteorological prediction. We could also generally reproduce the monitoring results observed at the monitoring stations approximately 4 km distant from the main stack in 12 September 2007 with the same calculation method.

Oral presentation

Student training course using the experimental fast reactor Joyo and related facilities, 2; Reactor physics and plant dynamics experiments using the Joyo training simulator

Okawachi, Yasushi; Maeda, Shigetaka; Kawahara, Hirotaka; Ishida, Koichi; Aoyama, Takafumi

no journal, , 

no abstracts in English

Oral presentation

Student training course using the experimental fast reactor Joyo and related facilities, 1; Overview of student training course

Aoyama, Takafumi; Ito, Chikara; Suzuki, Soju; Takeda, Toshikazu*

no journal, , 

no abstracts in English

Oral presentation

Development of simplified pellet fuel production technology; Evaluation of uncertainty for adjusting Pu content by air-lift transfer system

Mukai, Yasunobu; Nakamura, Hironobu; Fujisaku, Sakae; Kurita, Tsutomu; Yoshimoto, Katsunobu; Hayashi, Hiroyuki*

no journal, , 

no abstracts in English

Oral presentation

Plan of ROSA project experiment on steam condensation during large-break LOCA

Takeda, Takeshi; Maruyama, Yu; Watanabe, Tadashi; Nakamura, Hideo

no journal, , 

no abstracts in English

Oral presentation

Development of the new type moderator vessel for the cold neutron source in the JRR-3, 1; Pressure test

Yoshinaga, Makio; Tamura, Itaru; Komeda, Masao; Yamamoto, Kazuyoshi; Sagawa, Hisashi

no journal, , 

no abstracts in English

266 (Records 1-20 displayed on this page)