High heat flux tests on heat sinks armored with tungsten rods

被引：15
|
作者：
Nygren, RE
Youchison, DL
Watson, RD
O'Dell, S
机构：
[1] Sandia Natl Labs, Albuquerque, NM 87185 USA
[2] Plasma Proc Inc, Huntington, AL USA
来源：
FUSION ENGINEERING AND DESIGN | 2000年 / 49-50卷
关键词：
high heat flux tests; heat sinks; tungsten rods;
D O I：
10.1016/S0920-3796(00)00388-4
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：
This paper presents the results of high heat flux tests at Sandia National Laboratories of mock-ups armored with W rods embedded in water-cooled copper-alloy heat sinks. The major result is the excellent performance of these mock-ups in thermal response tests at up to 30 MW/m(2) and in thermal cycling tests of 500 cycles (10 s on, 10 s off) at similar to 25 MW/m(2). Melting of rod tips and the subsequent 'self-repair' of a degraded thermal bond were seen. Issues for further development in both testing and manufacturing of the mock-ups were identified. Evaluation of the surface heat flux was found to be somewhat problematic and this issue is discussed. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：303 / 308
页数：6
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