Investigation on the Thermophysical Process of the Non-vented Storage of Liquid Xenon
Advanced topics in science and technology in China(2023)
摘要
The self-pressurization phenomenon of non-vented cryogen storage due to heat loss was investigated in this paper. A dynamic stratification model that incorporated temperature stratification within the fluid was proposed. The heat loss of the high vacuum multi-layer insulated tank was calculated. In particular, the heat loss above the liquid-vapor interface was calculated by considering the heat conduction of the neck, the heat convection of the vapor, and the radiation of the multi-layer insulation within the vacuum. The temperature distribution and the pressure variation during 30 days of non-vented liquid xenon storage were predicted based on the stratification and homogeneous model.
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关键词
liquid xenon,thermophysical process,non-vented
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