3D Representation of Radioisotopic Dose Rates Within Nuclear Plants for Improved Radioprotection and Plant Safety

Vabø, Rune; Piotrowski, Leon; Rindahl, Grete

doi:10.1007/978-4-431-54610-8_28

Cited by 4 publications

(6 citation statements)

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“…This is calculated based on the activity and the isotopic composition, defined by the user for each radiation source. The characteristic energies and associated fractional yields are fetched from an internal database of the software tool, which was created based on standard data from the literature [43]. At the time, input data for the four most interesting isotopes, i.e.…”

Section: The Earlier Point Kernel Approachmentioning

confidence: 99%

“…The total optical thickness is then found by adding the optical thicknesses of all layers together ( r = ι µ × r i ). The earlier point kernel model was implemented with the application of standard linear attenuation coefficients for the four most important engineering materials (lead, iron, concrete and water) drawn from the literature of the time [43]. The linear attenuation coefficients applied in the model neglect coherent scattering, and consider free electrons in incoherent scattering.…”

Section: The Earlier Point Kernel Approachmentioning

confidence: 99%

“…Earlier versions of the Halden Planner provided only one, relatively simple, dosimetric approach [43] for calculating radiation levels and visualising radiation fields generated by gamma sources. The underlying dosimetric technique is a basic point kernel approach, well known in the field of protection against gamma radiation.…”

Section: Introductionmentioning

confidence: 99%

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Real-time 3D radiation risk assessment supporting simulation of work in nuclear environments

et al. 2014

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This paper describes the latest developments at the Institute for Energy Technology (IFE) in Norway, in the field of real-time 3D (three-dimensional) radiation risk assessment for the support of work simulation in nuclear environments. 3D computer simulation can greatly facilitate efficient work planning, briefing, and training of workers. It can also support communication within and between work teams, and with advisors, regulators, the media and public, at all the stages of a nuclear installation's lifecycle. Furthermore, it is also a beneficial tool for reviewing current work practices in order to identify possible gaps in procedures, as well as to support the updating of international recommendations, dissemination of experience, and education of the current and future generation of workers.IFE has been involved in research and development into the application of 3D computer simulation and virtual reality (VR) technology to support work in radiological environments in the nuclear sector since the mid 1990s. During this process, two significant software tools have been developed, the VRdose system and the Halden Planner, and a number of publications have been produced to contribute to improving the safety culture in the nuclear industry.This paper describes the radiation risk assessment techniques applied in earlier versions of the VRdose system and the Halden Planner, for visualising radiation fields and calculating dose, and presents new developments towards implementing a flexible and up-to-date dosimetric package in these 3D software tools, based on new developments in the field of radiation protection. The latest versions of these 3D tools are capable of more accurate risk estimation, permit more flexibility via a range of user choices, and are applicable to a wider range of irradiation situations than their predecessors.

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Section: The Earlier Point Kernel Approachmentioning

confidence: 99%

Section: The Earlier Point Kernel Approachmentioning

confidence: 99%

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Real-time 3D radiation risk assessment supporting simulation of work in nuclear environments

et al. 2014

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“…This greatly facilitates identifying optimal worker routes, shielding configuration, order of subtasks, and so forth by enabling suboptimal solutions to be quickly rejected. Furthermore, real-time visualisation of radiation risks (dose) [13,14] aids users in understanding the radiological conditions and, thus in determining the best directions for refining a work scenario during the optimisation process. This also facilitates zoning the environment, by making it much easier to identify areas that should be controlled or free, including optimal resting and waiting zones.…”

Section: Assessment Of Risks To Workersmentioning

confidence: 99%

“…Thus, there is a need to take into account continuous change to the exposure conditions, even for brief, routine, decommissioning tasks. The authors of this paper have been involved in research and development of novel solutions for dynamic, real-time estimation of radiation, and other risks [13,14] associated with maintenance and outage work activities in nuclear environments. In this work, the authors investigated how this technology can be applied to estimate risk to workers in decommissioning projects, focussing on estimating radiological risks associated with taking samples and performing in situ measurements, decontamination of systems, dismantling of structures, etc.…”

Section: Assessment Of Risks To Workersmentioning

confidence: 99%

Comprehensive support for nuclear decommissioning based on 3D simulation and advanced user interface technologies

Szöke

Louka

Bryntesen

et al. 2014

Journal of Nuclear Science and Technology

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There is an increasing international focus on the need to optimise decommissioning strategies, driven by the anticipation of high costs and major effort for the decommissioning of nuclear facilities in the coming decades. The goals are to control and mitigate costs and negative impacts on workers, the general public, and the environment. The methods presently employed for many decommissioning tasks do not apply the latest advancements of science and technology. Therefore, there is growing interest in research and development into the adoption of novel techniques for improving safety, reducing costs, and increasing transparency. This paper provides a comprehensive overview of the authors' results from investigating how current and emerging technologies can be applied to enhance the international decommissioning strategy, focussing in particular on three-dimensional simulation, virtual reality, advanced user interfaces, mobile and wearable devices, and geographical information systems. Our results demonstrate that emerging technologies have great potential for supporting adoption of new instrumentation, improving data and knowledge management, optimising project plans, briefing and training field operators, and for communication, surveillance, and education in general.

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Remote operation and robotics technologies in nuclear decommissioning projects

Michal

2012

Nuclear Decommissioning

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3D Representation of Radioisotopic Dose Rates Within Nuclear Plants for Improved Radioprotection and Plant Safety

Cited by 4 publications

References 1 publication

Real-time 3D radiation risk assessment supporting simulation of work in nuclear environments

Real-time 3D radiation risk assessment supporting simulation of work in nuclear environments

Comprehensive support for nuclear decommissioning based on 3D simulation and advanced user interface technologies

Remote operation and robotics technologies in nuclear decommissioning projects

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