Development of Decommissioning Engineering Support System (DEXUS of the Fugen Nuclear Power Station

Iguchi, Yukihiro; Kanehira, Yoshiki; Tachibana, Mitsuo; Johnsen, Terje

doi:10.1080/18811248.2004.9715497

Cited by 45 publications

(14 citation statements)

References 2 publications

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“…With all these constraints and specificities, it is not complicated to understand why there is few research works that have tackled this problem of information management in the context of NFD. Among the literature, one can cite [1], [4] and [5] that have proposed an integrated information systems for NFD but which implantations are still limited, or [6] that focuses on information management for dismantling planning.…”

Section: Information Characteristicsmentioning

confidence: 99%

PLM and BIM Approach to Support Information Management in Nuclear Decommissioning: A Synthesis

Cheutet

Sekhari

Corbeaux³

2018

IFIP Advances in Information and Communication Technology

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HAL is a multidisciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L'archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d'enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.

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Section: Information Characteristicsmentioning

confidence: 99%

PLM and BIM Approach to Support Information Management in Nuclear Decommissioning: A Synthesis

Cheutet

Sekhari

Corbeaux³

2018

IFIP Advances in Information and Communication Technology

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“…Periodic inspection (facility regulation) For the purpose of effective decommissioning planning, the connection of these data is very useful. Figure 3 (Iguchi, 2004) shows an example of the data connection of the Fugen NPS.…”

Section: Image Of Decommissioning Regulation Image Of Decommissioningmentioning

confidence: 99%

“…Moreover, advanced usage of 3D data, for example, a Virtual Reality (VR) system or an Augmented Reality (AR) system is very useful for training and implementation of dismantlement. Figure 4 (Iguchi, 2004) shows an example of a VR system in the Fugen NPS. Fig.…”

Section: Fig 3 Example Of Cad System and Data Connectionmentioning

confidence: 99%

Integration of knowledge management system for the decommissioning of nuclear facilities

Iguchi

Yanagihara

2016

Mechanical Engineering Journal

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The decommissioning of a nuclear facility is a long term project, handling information which begins from the design, construction and operation. Moreover, the decommissioning project is likely to be extended because of the lack of the waste disposal site especially in Japan. In this situation, because the transfer of knowledge and education to the next generation is a crucial issue, integration and implementation of a system for knowledge management is necessary in order to solve it. For this purpose, the total system of decommissioning knowledge management system (KMS) is proposed. In this system, we have to arrange, organize and systematize the data and information of the plant design, maintenance history, trouble events, waste management records etc. The collected data, information and records should be organized by computer support system e.g. data base system. It becomes a base of the explicit knowledge. Moreover, measures of extracting tacit knowledge from retiring employees are necessary. The experience of the retirees should be documented as much as possible through effective questionnaire or interview process. The integrated knowledge mentioned above should be used for the planning, implementation of dismantlement or education for the future generation. method of knowledge accumulation in the decommissioning work process is proposed. Enhancement of communication between present employeesCommunication activities, such as regular meetings, information exchange via intranet or e-mail are basis of the knowledge exchange in a plant. Based on the existing communication infrastructure, enhancement activities should be carried out for knowledge socialization. For example, application of Social Networking Service (SNS) inside the organization said to be an effective tool for improving communication and KM. Such system can hold personnel data base and automatically accumulate knowledge obtained during the daily work. Moreover, it is possible to load valuable technical information and questions raised by users and their answers. In this way, the system becomes knowledge accumulation and communication system without much effort. Enhancement of knowledge internalization of present employeesThe communication via computer system is not enough and face-to-face communication is still necessary. Then, activities such as study meeting of present employees or discussion between different generations are necessary for knowledge internalization. Knowledge transfer support from retireesAfter retiring of experienced employees, in some cases, the present employees need help of retirees. For this situation, retirees should join the above mentioned inside SNS even after retirement and give opinions or suggestions for the problem solution. This requires consent of retirees, but it is very effective to make up the knowledge gap.

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“…Japan Nuclear Cycle Development Institute (JNCDI) in cooperation with Japan Atomic Energy Research Institute (JAERI) and the OECD/NEA Halden Reactor Project in Norway have developed a Decommissioning Engineering Support System (DEXUS) for selecting appropriate dismantling plan at the planning stage of the decommissioning. Its VRdose modular can simulate 3D decommissioning scene [3]. SCK•CEN started in 1995 with the development of VISIPLAN 3D ALARA planning tool [4].…”

Section: Introductionmentioning

confidence: 99%

Study on Simulation Method of the Smoke-dust in Nuclear Decommissioning Virtual Simulation

Liu¹,

Peng²,

Zhao

2011

JCP

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<span style="font-size: 10pt; font-family: "Times New Roman"; mso-bidi-font-size: 10.5pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;" lang="EN-US">In nuclear facilities decommissioning virtual simulation system, simulating the behavior of radioactive <span style="font-size: 10pt; font-family: "Times New Roman"; mso-bidi-font-size: 10.5pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN-US">smoke-dust<span style="font-size: 10pt; font-family: "Times New Roman"; mso-bidi-font-size: 10.5pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;" lang="EN-US"> is important to the facticity of virtual scene, which is useful to reflect the distribution of radioactive nuclide and radiation dose. <span style="font-size: 10pt; font-family: "Times New Roman"; mso-bidi-font-size: 10.5pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN-US">Based on three-dimensional numerical calculation, simulating transportation of smoke-dust can be realized. In this research, the corresponding mathematical model was studied firstly, and then the semi-Lagrangian method was used to solve the equations. In the process of solving equations, a splitting-approach was adopted to achieve the component equations, and then the semi-Lagrangian method was used to solve both transient and convection terms. The projection algorithm constraint-based was adopted to solve the pressure equation for incompressible fluid. This study realized <span style="font-size: 10pt; font-family: "Times New Roman"; mso-bidi-font-size: 10.5pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;" lang="EN-US">a test program,<span style="font-size: 10pt; font-family: "Times New Roman"; mso-bidi-font-size: 10.5pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN-US"> <span style="font-size: 10pt; font-family: "Times New Roman"; mso-bidi-font-size: 10.5pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;" lang="EN-US">which simulate the t<span style="font-size: 10pt; font-family: "Times New Roman"; mso-bidi-font-size: 10.5pt; mso-fareast-font-family: 宋体; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;" lang="EN-US">hree-dimensional flow field and distribution of smoke-dust concentrations. The stable and fast solution can be achieved by using the method described </span&g...

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Development of Decommissioning Engineering Support System (DEXUS of the Fugen Nuclear Power Station

Cited by 45 publications

References 2 publications

PLM and BIM Approach to Support Information Management in Nuclear Decommissioning: A Synthesis

PLM and BIM Approach to Support Information Management in Nuclear Decommissioning: A Synthesis

Integration of knowledge management system for the decommissioning of nuclear facilities

Study on Simulation Method of the Smoke-dust in Nuclear Decommissioning Virtual Simulation

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