两种不同的航空辐射监测系统绘制的福岛放射性地图的比较

Byoung-Jik Kim, M. Sasaki, Y. Sanada
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引用次数: 0

摘要

韩国核安全研究院(KINS)开发了一种利用无人驾驶飞行器(uav)的辐射监测系统,用于核事故后。日本原子能机构已经对福岛地区进行了辐射监测,并进行了相关技术的研究和开发。考虑到未来的大规模灾害,在邻国之间统一无人机测量方法是很重要的。邻国的两个组织试图进行技术合作,比较采用不同方法获得的结果。2015年,在福岛第一核电站(FDNPS) 10公里范围内的一个地区进行了测量,该地区因东日本大地震发生事故,污染仍然存在,进入受到控制。将空气中探测器的系数转换为表面上的辐射剂量或放射性浓度的修正是在以前被调查为平坦和相对均匀污染的地区进行的。在河流流域进行了污染制图的探索,污染物出现在不同的水和土壤等高线中,这有望使直观的比较更容易进行多次映射。我们使用了一架日本无人驾驶直升机,这种直升机用于喷洒农药等农业应用。安装了JAEA和KINS测量系统,每次飞行同一航线一次。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Comparison of the Fukushima radioactive mapping by two different aerial radiation monitoring systems
A radiation monitoring system using unmanned aerial vehicles (UAVs) was developed for post-nuclear accidents by the Korea Institute of Nuclear Safety (KINS). The Japan Atomic Energy Agency (JAEA) has been conducted radiation monitoring in the Fukushima area and undertaking research and development of related technology. Considering future large-scale disasters, it is important that measurement methods using UAVs are unified between the neighbor countries. Two organizations in neighbor countries attempted technical collaborations to compare results obtained from different methods. In 2015, measurements were carried out in an area within 10 km from the Fukushima Dai-ichi Nuclear Power Station (FDNPS), where an accident occurred due to the Great East Japan Earthquake and where contamination remains and access is controlled. Corrections to convert the coefficients from detectors in air to the radiation dose or radioactivity concentration on the surface were carried out in areas previously surveyed as flat and relatively evenly contaminated. Explorations of contamination mapping were conducted in river basins, with contaminants appearing in different water and soil contours, which were expected to make intuitive comparisons easier for multiple mappings. We used a Japanese unmanned helicopter, which is used for agricultural applications such as the spraying of pesticides. The measurement system of JAEA and KINS was installed and the same route was flown once in each case.
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