Thermal dynamic analyses of the primary heat transfer system for the WCCB blanket of CFETR

被引：9
作者：
Cheng, Xiaoman [1 ]
Ma, Xuebin [2 ]
Lu, Peng [3 ]
Wang, Wenjia [1 ,4 ]
Liu, Songlin [1 ]
机构：
[1] Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
[2] Shenzhen Univ, Adv Energy Res Ctr, Shenzhen 518060, Peoples R China
[3] Hefei Comprehens Natl Sci Ctr, Inst Energy, Hefei 230000, Peoples R China
[4] Univ Sci & Technol China, Hefei 230026, Peoples R China
来源：
FUSION ENGINEERING AND DESIGN | 2020年 / 161卷
基金：
国家重点研发计划; 中国博士后科学基金;
关键词：
CFETR; WCCB PHTS; Thermal dynamic behavior; Plasma pulse; MARFE transient;
D O I：
10.1016/j.fusengdes.2020.112067
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The Water Cooled Ceramic Breeder (WCCB) blanket is one of the blanket candidates of Chinese Fusion Engineering Testing Reactor (CFETR). The Primary Heat Transfer System (PHTS) of the WCCB blanket has been updated to fulfill the requirement of operating under 200 MW similar to 1.5 GW of fusion power based on the lasted CFETR design. The PHTS has two independent Cooling Systems (CSs). CS1 provides coolant for the First Wall (FW) and CS2 for Breeding Zones (BZs). In this paper, the PHTS design is optimized to obtain more uniform flow distribution among blanket sectors. Based on the optimized PHTS, plasma pulse operation and the Multifaceted Asymmetric Radiation From the Edge (MARFE) transient are simulated using RELAP5 to study the thermal dynamic behavior of the WCCB PHTS. The results show that CS1 and CS2 have different thermal dynamic behavior during plasma pulses due to different thermal inertia. Different schemes are considered for CS1 and CS2 to couple with the Power Conversion System (PCS). As for the MARFE, thermal hydraulic parameters of CS1 can return to steady state soon after the transient. The WCCB PHTS design is preliminarily evaluated as reliable according to thermal dynamic analyses.
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页数：9
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