Radiological complexity of nuclear facilities: an information complexity approach to workplace monitoring

IF 1.4 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES
Abinash Chakraborty, Neeraj Parashar, Dhananjay Kumar Pandey, Pankaj Kumar, U V Deokar, J P N Pandey and M S Kulkarni
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Abstract

Nuclear energy is crucial for achieving net-zero carbon emissions. A big challenge in the nuclear sector is ensuring the safety of radiation workers and the environment, while being cost-effective. Workplace monitoring is key to protecting workers from risks of ionising radiation. Traditional monitoring involves radiological surveillance via installed radiation monitors, continuously recording measurements like radiation fields and airborne particulate radioactivity concentrations, especially where sudden radiation changes could significantly impact workers. However, this approach struggles to detect incremental changes over a long period of time in the radiological measurements of the facility. To address this limitation, we propose abstracting a nuclear facility as a complex system. We then quantify the information complexity of the facility’s radiological measurements using an entropic metric. Our findings indicate that the inferences and interpretations from our abstraction have a firm basis for interpretation and can enhance current workplace monitoring systems. We suggest the implementation of a radiological complexity-based alarm system to complement existing radiation level-based systems. The abstraction synthesized here is independent of the type of nuclear facility, and hence is a general approach to workplace monitoring at a nuclear facility.
核设施的辐射复杂性:工作场所监测的信息复杂性方法
核能对于实现碳净零排放至关重要。核领域面临的一大挑战是在确保成本效益的同时,确保辐射工作人员和环境的安全。工作场所监测是保护工人免受电离辐射风险的关键。传统的监测包括通过安装的辐射监测仪进行辐射监测,持续记录辐射场和空气中颗粒放射性浓度等测量值,尤其是在辐射突变可能对工人产生重大影响的情况下。然而,这种方法很难检测到设施辐射测量值在很长一段时间内的增量变化。为了解决这一局限性,我们建议将核设施抽象为一个复杂的系统。然后,我们使用熵指标量化设施辐射测量的信息复杂性。我们的研究结果表明,从我们的抽象中得出的推论和解释具有坚实的解释基础,可以增强当前的工作场所监测系统。我们建议实施基于辐射复杂性的报警系统,以补充现有的基于辐射水平的系统。这里综合的抽象概念与核设施的类型无关,因此是核设施工作场所监测的通用方法。
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来源期刊
Journal of Radiological Protection
Journal of Radiological Protection 环境科学-公共卫生、环境卫生与职业卫生
CiteScore
2.60
自引率
26.70%
发文量
137
审稿时长
18-36 weeks
期刊介绍: Journal of Radiological Protection publishes articles on all aspects of radiological protection, including non-ionising as well as ionising radiations. Fields of interest range from research, development and theory to operational matters, education and training. The very wide spectrum of its topics includes: dosimetry, instrument development, specialized measuring techniques, epidemiology, biological effects (in vivo and in vitro) and risk and environmental impact assessments. The journal encourages publication of data and code as well as results.
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