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Journal Articles

Experiment and analytical studies on bubbly flow behavior around a spacer in circular duct

Sakka, Taku*; Jiao, L.; Uesawa, Shinichiro; Yoshida, Hiroyuki; Takase, Kazuyuki

Nihon Kikai Gakkai 2015-Nendo Nenji Taikai Koen Rombunshu (DVD-ROM), 5 Pages, 2015/09

no abstracts in English

Oral presentation

Basic R&D on decommissioning of Fukushima Daiichi Nuclear Power Station and application of Laser Remote Analysis for in-core and in-situ monitoring of debris

Wakaida, Ikuo; Oba, Hironori; Akaoka, Katsuaki; Oba, Masaki; Matsumoto, Ayumu; Miyabe, Masabumi; Ikeda, Yuji*; Sakka, Tetsuo*; Taira, Takunori*

no journal, , 

For the decommissioning of "Fukushima Daiichi Nuclear Power Station (F1NPS)", widely basic R&D and matting for actual application for decommissioning technology will be strongly required. CLADS/JAEA is one of the key institute for strategic promotion of Decommissioning Science on F1NPS. As for the development of rapid, easy, onsite and in-situ remote diagnostic/analysis techniques under extremely high radioactive condition, the concept of probing by light and diagnostic by light with radiation resistant optical fiber will be one of the simple, powerful and applicable choices as the innovative development based on laser induced breakdown spectroscopy (LIBS) technology. Optical fiber based LIBS is developed for in-core and in-situ elemental analysis of debris and its activity is performed under severe environmental conditions such as high radiation field of about 10kGy/h and under water. Long pulse laser, microwave assisted LIBS and microchip laser are also introduced for more high sensitivity.

Oral presentation

Advanced study on remote and in-situ elemental analysis of molten fuel debris in damaged core by innovative optical spectroscopy

Wakaida, Ikuo; Oba, Hironori*; Ikeda, Yuji*; Sakka, Tetsuo*; Taira, Takunori*

no journal, , 

Radiation resistant optical fiber based laser induced breakdown spectroscopy (Fiber LIBS) is developed for in-core and in-situ elemental analysis of debris and its activity is performed under severe environmental conditions such as high radiation field of about 10kGy/h and under water. Long pulse laser, microwave assisted LIBS for more high sensitivity and micro-chip Laser will be also introduced for In-Core use optical source.

Oral presentation

Application of remote laser analysis for decommissioning of Fukushima Daiichi Nuclear Power Station

Wakaida, Ikuo; Akaoka, Katsuaki; Oba, Masaki; Miyabe, Masabumi; Oba, Hironori; Ikeda, Yuji*; Sakka, Tetsuo*; Taira, Takunori*

no journal, , 

no abstracts in English

Oral presentation

Laser remote analysis for decommissioning of damaged reactor core

Wakaida, Ikuo; Akaoka, Katsuaki; Oba, Masaki; Oba, Hironori; Tamura, Koji; Saeki, Morihisa; Matsumoto, Ayumu*; Sakka, Tetsuo*; Ikeda, Yuji*; Taira, Takunori*

no journal, , 

no abstracts in English

Oral presentation

Laser remote analysis for decommissioning of Fukushima Daiichi Nuclear Power Station

Wakaida, Ikuo; Oba, Hironori; Ikeda, Yuji*; Sakka, Tetsuo*; Taira, Takunori*

no journal, , 

no abstracts in English

Oral presentation

Basic R&D on laser remote analysis for in-situ monitoring of nuclear debris in decommissioning of "Fukushima Daiichi Nuclear Power Station"

Wakaida, Ikuo; Oba, Hironori; Akaoka, Katsuaki; Miyabe, Masabumi; Oba, Masaki; Matsumoto, Ayumu*; Sakka, Tetsuo*; Taira, Takunori*; Ikeda, Yuji*

no journal, , 

Oral presentation

Advanced study on remote and in-situ elemental analysis for molten fuel debris in damaged core by innovative optical spectroscopy

Wakaida, Ikuo; Sakka, Tetsuo*; Ikeda, Yuji*; Oba, Hironori*; Taira, Takunori*

no journal, , 

no abstracts in English

Oral presentation

Research and development on laser remote analysis for on-site, in-situ surveillance of nuclear debris in decommissioning of Fukushima Daiichi Nuclear Power Station

Wakaida, Ikuo; Oba, Hironori; Miyabe, Masabumi; Akaoka, Katsuaki; Tamura, Koji; Saeki, Morihisa; Oba, Masaki; Shibata, Takuya; Ikeda, Yuji*; Sakka, Tetsuo*; et al.

no journal, , 

Oral presentation

Practical application of LIBS and rerated spectroscopy for decommissioning work of Fukushima Daiichi Nuclear Power Station

Wakaida, Ikuo; Oba, Hironori; Miyabe, Masabumi; Akaoka, Katsuaki; Oba, Masaki; Tamura, Koji; Saeki, Morihisa; Nakanishi, Ryuzo; Ikeda, Yuji*; Sakka, Tetsuo*; et al.

no journal, , 

no abstracts in English

Oral presentation

Development on laser remote analysis for on-site, in-situ and quick screening of nuclear fuel debris in decommissioning of Fukushima Daiichi Nuclear Power Station

Wakaida, Ikuo; Oba, Hironori; Miyabe, Masabumi; Akaoka, Katsuaki; Oba, Masaki; Tamura, Koji; Saeki, Morihisa; Nakanishi, Ryuzo; Ikeda, Yuji*; Sakka, Tetsuo*; et al.

no journal, , 

11 (Records 1-11 displayed on this page)
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