Passive zero-boil-off storage of liquid hydrogen for long-time space missions
Passive zero-boil-off storage of liquid hydrogen for long-time space missions
复制标题
DOI：
10.1016/j.ijhydene.2015.05.184
复制
发表时间：
2015-08
影响因子：
7.2
通讯作者：
Xi-Wan Sun;Zhen-yun Guo;Wei Huang
中科院分区：
文献类型：
--
作者：
Xi-Wan Sun;Zhen-yun Guo;Wei Huang
液氢和液氧的储存技术是决定氢能否成为未来空间科学任务新能源的关键技术之一。在目前的研究中，一个用于空间任务的储存系统将被设计为没有良好的隔热系统的液氢罐周围，并允许辐射热从罐泄漏到空间环境中。利用热传导和辐射传热理论对空间贮氢容器的吸热速率进行了研究。该模型考虑了太阳和航天器对贮箱的辐射热、贮箱对空间环境的辐射热、支承结构对贮箱的热传导以及液氧贮箱对贮箱的热传导等传热问题。通过建立液氢和液氧储罐的吸热速率与温度之间的函数关系，论证了液氢可以在两年内不蒸发地储存。
The technology of the storage of liquid hydrogen and liquid oxygen is one of the key technologies that decide whether hydrogen can become the new energy for space science missions in the future. In the current study, a storage system for space missions will be designed without good thermal insulation system around the liquid hydrogen tank, and allow the radiation heat to leak into the space environment from the tank. The theories of heat conduction and radiation heat transfer have been utilized to study the rate of heat absorption for a hydrogen storage tank in space. The model has been simplified by taking several aspects of heat transfer into account, which contains the radiation heat into the storage tank from the sun and spacecraft, the radiation heat into the space environment from the tank, the heat conduction into the tank from the support structure, and the heat conduction into the tank from the liquid oxygen tank. By establishing the function relationship between the rate of heat absorption and the temperature of the liquid hydrogen and oxygen tank, we can demonstrate that the liquid hydrogen can be stored within two years without evaporation.