液氢储罐蒸气冷却屏结构设计及绝热性能仿真预示

杨豪泽; 刘乐; 赵武; 王磊; 李翠

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液氢储罐蒸气冷却屏结构设计及绝热性能仿真预示

更新时间：2025-06-10

- 液氢储罐蒸气冷却屏结构设计及绝热性能仿真预示
- Structural Design and Thermal Insulation Performance Simulation of Vapor-Cooled Shields for Liquid Hydrogen Storage Tank
- 默认刊物名称 2025年
- 作者机构：
  
  1.西安交通大学制冷与低温工程系，西安 710049
  2.西安航天科技工业有限公司，西安 710100
  3.航天推进技术研究院，西安 710100
- 作者简介：
  
  王磊，男，教授，西安交通大学制冷与低温工程系，18220550071,E-mail：wanglei-epe@xjtu.edu.cn。研究方向：航天低温推进剂技术。
- 基金信息：
  
  国家重点研发计划课题(2024YFB4006904┫。The project was supported by the National Key Research and Development Program of China┣2024YFB4006904)
- DOI：
  中图分类号： TK91
- 稿件说明：
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杨豪泽, 刘乐, 赵武, 等. 液氢储罐蒸气冷却屏结构设计及绝热性能仿真预示[J/OL]. 默认刊物名称, 2025.

Yang Haoze, Liu Le, Zhao Wu, et al. Structural Design and Thermal Insulation Performance Simulation of Vapor-Cooled Shields for Liquid Hydrogen Storage Tank[J/OL]. Moren journal, 2025.
杨豪泽, 刘乐, 赵武, 等. 液氢储罐蒸气冷却屏结构设计及绝热性能仿真预示[J/OL]. 默认刊物名称, 2025. DOI：

Yang Haoze, Liu Le, Zhao Wu, et al. Structural Design and Thermal Insulation Performance Simulation of Vapor-Cooled Shields for Liquid Hydrogen Storage Tank[J/OL]. Moren journal, 2025. DOI：

摘要

为了精确指导液氢储罐多层绝热(MLI)/蒸气冷却屏(VCS)复合绝热结构设计，建立了MLI/VCS三维稳态传热模型，研究了平行布置和螺旋布置下VCS内温度场及不同VCS管直径、数量/管长、辐射屏厚度、排气流量等对储罐绝热性能的影响规律，对比了两种VCS管布置方式的绝热性能。结果显示：对于VCS管平行布置方案，增加管径、管数和排气流量，储罐绝热性能均相应提高；对于VCS管螺旋布置方案，增加管径和流量也呈现与平行竖管方案相同规律，而管长增加对储罐绝热性能的影响与排气流量有关，辐射屏厚度对绝热性能影响较小，两种VCS管布置方式的绝热性能优劣也受排气流量的影响。实际中需要结合排气方式和排气量选择合适的VCS管布置方式。

Abstract

To provide accurate guidance for the design of multilayer insulation (MLI) combined with vapor-cooled shield (VCS) structures in liquid hydrogen storage tank

a three-dimensional steady-state model of MLI/VCS was established. The temperature field of VCS in both parallel and spiral arrangements and the influence of VCS tube diameter

number/length

radiation shield thickness

and vapor mass flow rate on the thermal insulation performance of the tank have been investigated. A comparative analysis of thermal insulation performance between two arrangements was conducted. The results show that for the parallel arrangement

increasing the tube diameter

number of tubes

and mass flow rate improves the tank's insulation performance. For the spiral arrangement

increasing the tube diameter and flow rate follows the same trend as the parallel vertical tubes

whereas the effect of tube length on insulation performance depends on the vapor mass flow rate. The radiation shield thickness has a minor impact on the insulation performance. The relative superiority of the two VCS pipes configurations in terms of insulation performance is also influenced by the venting vaper mass flow rate. In practical engineering applications

the appropriate VCS pipes arrangement should be selected based on the venting method and venting capacity.

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references

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