Cooling water system design of Japan's DEMO for fusion power production

被引：21

作者：

Miyoshi, Yuya ^{[1
]}

Aoki, Akira ^{[1
]}

Hiwatari, Ryoji ^{[1
]}

Someya, Youji ^{[1
]}

Sakamoto, Yoshiteru ^{[1
]}

Tobita, Kenji ^{[1
]}

机构：

[1] Natl Inst Quantum & Radiol Sci & Technol, 2-166 Omotedate, Rokkasyo, Aomori 0393212, Japan

来源：

FUSION ENGINEERING AND DESIGN | 2018年 / 126卷

关键词：

Fusion reactor design; Cooling water system; Plant design; Power generation; DEMO; BREEDER; REACTOR; ITER;

D O I：

10.1016/j.fusengdes.2017.11.013

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：

Considering the water cooling system in fusion reactors, there are several fusion-specific challenges in designs of in-vessel components and their cooling water systems (CWS). In this research, solutions of the challenges have been discussed and indicate the CWS concept of Japan's DEMO. The CWS transfers thermal energy of blanket and a part of divertor to a generator system, and thermal energy of the other part of divertor is used as heat utilization in plant. The required performance of system devices such as pumps is expected to be achieved by proven technologies and its extensions. It is also indicated that blanket can work as the low-pass filter, and can suppress the effect of fusion output fluctuation. The designed cooling water system requires 70 MW electric power and generates 620 MW power with a 1.5 GW fusion power plasma. This research indicates the basic concept of Japan's DEMO CWS that can be practically achieved.

引用

页码：110 / 115

页数：6

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