| Velocity Measurement and Freezing Technology of Multi-shot Pellet on HL-1M Tokamak |
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| 作者姓名： | 李波 李立 肖正贵 王明旭 刘德权 郑银甲 冯震 王明建 徐小桥 |
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| 作者单位： | Southwestern Institute of Physics,
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| 摘 要： | 1. IntroductionA multkshot Pelet injector (MPI) was designedaccording to a SinryRUSSian cOllaboratbo project in1993 and in8talled on HLlM iu l996. At the first pe-riod, although W good results had been achievedduring MPI fueling eXPerhaats on HL-1M tokamak,there were still some regrets left. FOr example, thePenet velocity acquired was un8atisfortory because inthe HL-1M hall there was too much noise interferingwith the measured results. And the pellet photo-graPh couldn't be taken 8…
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Velocity Measurement and Freezing Technology of Multi-shot Pellet on HL-1M Tokamak |
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| Abstract: | A measuring system for high-speed hydrogen ice pellet was introduced in this paper and the photographing of flying pellet taken therein. With the system, a pellet (minimum size of φ 0.3 mm) velocity (ranging from 50 m/s to 2500 m/s) can be measured in the HL-1Mtokamak fueling experiments. By analyzing photographs and the conditions of frozen pellets (including gas supply, gas replenishment, temperature controlling etc), the pellet-freezing technology is summarized in the paper. |
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