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首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >Performance comparison between no-vent and vented fills in vertical thermal-insulated cryogenic cylinders
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Performance comparison between no-vent and vented fills in vertical thermal-insulated cryogenic cylinders

机译：垂直隔热低温气瓶的无排气和排气填充性能比较

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摘要

Vented and no-vent fills are two main techniques applied in cryogenic fields for different purposes. No-vent fills are promising for dangerous or precious cryogens, especially in a low-g environment. This paper is to present the comparative results of both pressure and temperature in the vented and no-vent fills for a 180-L cryogenic cylinder. Emphases are laid on the analysis of temperature distribution of cryogens and wall temperature, and analysis of comparison between incoming temperature, saturation temperature and bulk temperature. By test comparison of vented and no-vent fills, different thermodynamic states in the receiver tanks with different filling configurations are revealed. The experimental data are provided as supports of valid assumptions and are useful for modification of models.
机译：排气和无排气填充是在低温领域中出于不同目的而应用的两种主要技术。对于危险或珍贵的冷冻剂，无排气填充很有希望，特别是在低g环境中。本文将介绍180 L低温钢瓶排气和无排气口填充物中压力和温度的比较结果。重点放在制冷剂温度分布和壁温的分析上，以及进入温度，饱和温度和体温之间的比较分析上。通过对排气和无排气填充进行测试比较，可以发现具有不同填充配置的储罐中的热力学状态不同。实验数据是对有效假设的支持，可用于修改模型。

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