作者: I. Viniar, S. Sudo,
期刊: Review of Scientific Instruments (AIP Available online 1997) 卷期: Volume 68, issue 3
页码: 1444-1447
ISSN:0034-6748
年代: 1997
DOI:10.1063/1.1147631
出版商: AIP
数据来源: AIP
摘要:
A pellet injector of the repeating pneumatic pipe-gun type has been designed for plasma fueling applications. Its use reduces the time for pellet formation by anin situtechnique from 2 to 3 min to 2–10 s. The basic idea of the proposed approach to pellet formation is to melt prefrozen solid fuel and to admit it through a porous unit into a barrel for refreezing. The injector provides for a continuous injection of an unlimited number of pellets. Over 250 hydrogen and deuterium pellets of 3 mm diameter and 3–10 mm in length were accelerated to 1.2 km/s at a rate of 1 pellet per 10–34 s by manually controlled injector operation. An automatically controlled multishot pellet injector(>10barrels) is capable of providing a continuous and reliable fueling of large fusion devices such as the large helical device and the International Thermonuclear Experimental Reactor (ITER). ©1997 American Institute of Physics.
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