微重力下低温液体质量测量技术进展  

Development of mass gauging technology for cryogenic liquid in microgravity

作　　者：王丽红[1] 王田刚[1] 王小军[1] 冶文莲[1] 

机构地区：[1]兰州空间技术物理研究所真空低温技术与物理重点实验室,兰州730000

出　　处：《低温工程》2012年第5期58-62,共5页Cryogenics

基　　金：真空低温技术与物理国家级重点实验室基金(9140C550604)项目资助

摘　　要：针对空间低温液体需要高精度质量测量技术的问题,提出了微重力下低温液体测量技术的几种方法,介绍了压缩质测法、光学质测法、压力-体积-温度法和射频质测法的测量原理及研究进展,并对上述4种测量方法进行了比较和评述,最后对微重力下低温液体测量技术进行了总结和展望。Aimed at the problem that cryogenic liquid in space needs accurate mass gauging technolo- gy, several methods of mass gauging for cryogenic liquid in microgravity were put forward. The principle and research progress of compression mass gauging, optical mass gauging. Pressure-volume-temperature method and radio frequency gauging were introduced. The four methods were compared and commented. Finally, the mass gauging technology for cryogenic liquid in microgravity were summarized and prospected.

关 键 词：微重力 低温液体 质量测量 进展 

分 类 号：TB61[一般工业技术—制冷工程] TB663