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真空环境液体闪蒸射流实验研究
Alternative TitleExperimental Study on Flashing Liquid Jets in Vacuum Environment
杜王芳; 赵建福; 李凯
Source Publication工程热物理学报
2014
Volume35Issue:5Pages:910-913
ISSN0253-231X
Abstract本文实验研究了蒸馏水经内径0.226 mm、长度16.5 mm薄壁不锈钢直管向真空环境排放时形成的液体闪蒸射流现象.实验观察到3种射流形态。在液体初始温度低于背压所对应的饱和温度时,液体不会发生闪蒸,液体射流喷出后保持完整;反之,液体表面蒸发会导致液体射流核周围出现不规则蒸发波,射流破碎散落;进一步降低背压,会使得射流一出喷口即快速破碎形成扩张角大于90°的雾状射流。射流流量在背压低于某个临界数值时出现壅塞现象,即流量不再随背压降低而增加,表现出强烈的可压缩流动特征。
Keyword液体闪蒸射流 壅塞 真空
Indexed ByEI ; CSCD
Language中文
Funding Organization中国科学院“知识创新工程”资助项目
CSCD IDCSCD:5135736
DepartmentNML微重力两相流与燃烧
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49280
Collection国家微重力实验室
Recommended Citation
GB/T 7714
杜王芳,赵建福,李凯. 真空环境液体闪蒸射流实验研究[J]. 工程热物理学报,2014,35(5):910-913.
APA 杜王芳,赵建福,&李凯.(2014).真空环境液体闪蒸射流实验研究.工程热物理学报,35(5),910-913.
MLA 杜王芳,et al."真空环境液体闪蒸射流实验研究".工程热物理学报 35.5(2014):910-913.
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