data for Progress of concept design for CFETR diagnostic system

Chinese Fusion Engineering Test Reactor (CFETR), is under conceptual design to bridge gaps between ITER and DEMO. CFETR is envisioned to produce a 200 MW (200 MW in Phase-I and will be increased to 1 GW level) fusion power with tritium breeding ratio (TBR) > 1 and a duty cycle time of approximately 0.3-0.5. This paper is to present the status in the conceptual design of CFETR diagnostic system. Based on the experience obtained in the development of ITER diagnostics and combined with CFETR special requirements, progress of CFETR diagnostic system has been described. They mainly includes: (1) the conditions and constraints in CFETR environment; (2) one set of proposed measurements and candidate diagnostic techniques for CFETR phase-I. The possible needed R&D activities for future work are under review. Two R&D examples under progress will be introduced.

中国聚变工程实验堆（Chinese Fusion Engineering Test Reactor, CFETR）目前正处于概念设计阶段，旨在弥合国际热核聚变实验堆（ITER）与示范聚变堆（DEMO）之间的技术鸿沟。CFETR的设计目标为实现200兆瓦的聚变功率（一期工程为200兆瓦，后续将提升至1吉瓦级别），氚增殖比（Tritium Breeding Ratio, TBR）大于1，占空比约为0.3至0.5。本文旨在介绍CFETR诊断系统的概念设计现状。依托国际热核聚变实验堆（ITER）诊断系统研发过程中积累的经验，并结合CFETR的特殊需求，本文阐述了CFETR诊断系统的研发进展，主要涵盖两部分内容：（1）CFETR运行环境的相关条件与约束限制；（2）CFETR一期工程拟采用的一套测量方案与候选诊断技术。目前，未来研发所需的潜在工作内容仍处于论证评估阶段，本文还将介绍两项正在推进中的研发实例。