Diamond-based radiation sensor array for real-time mapping/location of Tritium in a nuclear fusion reactor gas system

基于金刚石的辐射传感器阵列，用于核聚变反应堆气体系统中氚的实时测绘/定位

• 批准号: 2267214
• 金额: --
• 依托单位: University of Bristol
• 依托单位国家: 英国
• 项目类别: Studentship
• 财政年份: 2019
• 资助国家: 英国
• 起止时间: 2019 至 无数据
• 项目状态: 未结题
• 来源: https://gtr.ukri.org/projects?ref=studentship-2267214
• 关键词: Diamond; based; radiation; sensor; array

Fusion nuclear energy is posed to be the future of energy generation as a clean and compact energy source. Working towards that end there are a number of projects already in place developing the knowhow towards the technical realisation of a future commercial nuclear fusion reactors. Among these are JET, CCFE, ITER and STEP. An integral part of the nuclear fusion process is the processing, separation and storage of the fusion reactor gasses composed of hydrogen, deuterium and tritium. The UK is spearheading the technology of fusion reactor gas management through the funding of the H3AT Tritium handling facility. This £40M project will be the testing ground for the processes to be used in the ITER fusion reactor project in the mid2020s. Even though the UK already has expertise in Tritium handling built up over many years of operating JET Tokamak at UKAEA Culham, there is no technology at present that can be used to monitor the presence of Tritium in the different parts of the gas handling and delivery network. This project proposes the development of a diamond-based radiation detector with an enhanced sensitivity for Tritium beta decay radiation, which would be deployed in a series of arrays along a gas pipe system. The integration of the data from these detector arrays with other existing detectors would be able to provide a real-time mapping of the tritium beta radiation and the concentration of Tritium. This detector would be based on the diamond-based radiation detector developed at the University of Bristol that has been deployed in a number of nuclear sites in the UK and Japan. The successful candidate will spend approximately 50% of their time based at the University of Bristol where they will be trained to perform isotopic diamond synthesis, characterisation, device simulation and fabrication, while the remaining 50% will be spent at UKAEA Culham, in the Tritium Engineering and Science Group, where they will be trained to use active handling facilities for use in the evaluation of diamond tritium detectors, and to test different deployment strategies

聚变核能作为一种清洁和紧凑的能源，被认为是未来的能源生产。为了实现这一目标，已经有一些项目在开发未来商业核聚变反应堆的技术实现。其中包括JET、CCFE、ITER和STEP。核聚变过程的一个组成部分是处理、分离和储存由氢、氘和氚组成的聚变反应堆气体。联合王国正在通过资助H3AT氚处理设施，率先发展聚变反应堆气体管理技术。这个耗资4000万英镑的项目将成为2020年代中期ITER聚变反应堆项目中使用的工艺的试验场。尽管英国已经拥有了多年来在英国原子能机构卡勒姆运行JET托卡马克所积累的氚处理专业知识，但目前还没有技术可用于监测气体处理和输送网络不同部分中氚的存在。该项目提议开发一种对氚β衰变辐射具有更高灵敏度的金刚石辐射探测器，将沿气体管道系统沿着部署一系列阵列。这些探测器阵列的数据与其他现有探测器的数据相结合，将能够提供氚β辐射和氚浓度的实时绘图。该探测器将以布里斯托大学开发的金刚石辐射探测器为基础，该探测器已部署在英国和日本的一些核设施中。成功的候选人将花费大约50%的时间在布里斯托大学，在那里他们将接受培训，以进行同位素金刚石合成，表征，设备模拟和制造，而其余的50%将花费在UKAEA卡勒姆，在氚工程和科学组，在那里他们将接受培训，以使用主动处理设施，用于评价金刚石氚探测器，并测试不同的部署策略