Fabrication and half-life time of gas-filled plastic hohlraum

Zhanwen, 张占文 Zhang; Yong, 黄勇 Huang; Xiaobo, 漆小波 Qi; Yiyang, 刘一杨 Liu; Xiaojun, 马小军 Ma; Bo, 李博 Li; Yanhua, 黄燕华 Huang; Lin, 张林 Zhang

doi:10.3788/hplpb20112301.0133

Cited by 1 publication

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“…Additionally, the curves of the critical pressure variation rate Φ c for the filling and evacuation processes were very close to each other. Therefore, the diameter of the microcapillary fill tube l x should be reduced to improve the security of the hohlraum film [26,28]. Hence, an increase in the diameter of the microcapillary fill tube and a decrease in its length both is conductive to the fielding of the hohlraum film but may leads to the dangerous displacement of the target.…”

Section: Effect Of the Microcapillary Fill Tubementioning

confidence: 99%

Simulation of the Gas Filling and Evacuation Processes in an Inertial Confinement Fusion (ICF) Hohlraum

Zhou

et al. 2019

Processes

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In indirect inertial confinement fusion (ICF), the prediction of gas pressures and mass flow rates in the hohlraum is critical for fielding the hohlraum film and the support tent. To this end, it is desirable to understand the gas filling and evacuation process through the microcapillary fill tube and the support tent. In this work, a unified flow simulation of the filling and evacuation processes through the microcapillary fill tube and the support tent in an ICF hohlraum was conducted to study the gas pressure and mass flow rate in the hohlraum. The effects of the support tent size and the microcapillary fill tube size on the critical pressure variation and pressure difference across the hole on the support tent are examined. The results indicate that an increase in the diameter of the hole and the hole number leads to a smaller pressure difference across the hole on the support tent. If the diameter of the hole on the support tent is larger than 0.06 mm, the critical pressure variation rate is nearly independent of the diameter and the hole number. Increases in the diameter and decreases in the length of the microcapillary fill tube induce a larger critical pressure variation rate and pressure difference across the hole, which is conductive to fielding the hohlraum film.

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Section: Effect Of the Microcapillary Fill Tubementioning

confidence: 99%

Simulation of the Gas Filling and Evacuation Processes in an Inertial Confinement Fusion (ICF) Hohlraum

Zhou

et al. 2019

Processes

View full text Add to dashboard Cite

show abstract

Fabrication and half-life time of gas-filled plastic hohlraum

Cited by 1 publication

References 0 publications

Simulation of the Gas Filling and Evacuation Processes in an Inertial Confinement Fusion (ICF) Hohlraum

Simulation of the Gas Filling and Evacuation Processes in an Inertial Confinement Fusion (ICF) Hohlraum

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