Gas pressure measurement in ICF cryogenic target micro-tube gas-filling process

Lin Wei; Wang Kai; Bi Peng; Li Jun; Ma Kunquan; Tang Yongjian; Lei HaiLe

doi:10.3788/HPLPB20122410.2343

Volume 24 Issue 10

Sep. 2012

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Article Navigation > High Power Laser and Particle Beams > 2012 > 24(10): 2343-2346

Chen Guangyu, Zhang Xiaomin, Zheng Wanguo, et al. Evaluation methods and models of mission availability for ICF laser facilities[J]. High Power Laser and Particle Beams, 2012, 24: 2103-2108. doi: 10.3788/HPLPB20122409.2103

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Lin Wei, Wang Kai, Bi Peng, et al. Gas pressure measurement in ICF cryogenic target micro-tube gas-filling process[J]. High Power Laser and Particle Beams, 2012, 24: 2343-2346. doi: 10.3788/HPLPB20122410.2343

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Gas pressure measurement in ICF cryogenic target micro-tube gas-filling process

doi: 10.3788/HPLPB20122410.2343

Lin Wei¹,
Wang Kai¹,
Bi Peng^1,2,
Li Jun¹,
Ma Kunquan¹,
Tang Yongjian¹,
Lei HaiLe^{1
,
,}

1.
Research Centre of Laser Fusion,CAEP,P.O.Box 919-989,Mianyang 621900,China;
2.
Institute of Atomic and Molecular Physics,Sichuan University,Chengdu 610065,China

Received Date: 2012-03-06
Rev Recd Date: 2012-05-15
Publish Date: 2012-10-15

Abstract

Abstract

A self-designed micro-tube gas-filling system was used to fill cryogenic targets with deuterium gas in normal temperature. The relationships between difference of gas pressure at the two ends of gas-filling tube and tube length, gas-filling rate and gas-filling time were studied. The results show that the gas-pressure difference first increases and ultimately decreases tozero, The time required for gas pressure equilibrium tends to be shorter when gas filling tube length decreases and gas-filling rate increases. The experimental results are in good agreement with the prediction on the basis of the Hagen-Poiseuille equation.
- inertial confinement fusion,
- cryogenic targets,
- gas-filling,
- pressure difference

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