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真空环境液体排放过程的热动力学研究
Alternative TitleThermal dynamics on liquid discharge into vacuum environment
赵建福; 杜王芳; 李凯
Source Publication工程热物理学报
2015-03-15
Volume41Issue:3Pages:564-567
Abstract实验研究了真空环境液体排放过程(特别是出口射流)的热动力学特征,分析了3种不同射流形态(连续液体射流、部分闪蒸射流和完全闪蒸射流)间的转换条件,发现基于气泡生长机制的Cleary模型低估了闪蒸所需过热度,较早预测了闪蒸射流的发生;而基于核化机制的Lamanna模型会高估闪蒸所需化学势差,预测的闪蒸发生晚于实验观测结果。闪蒸引起的流量壅塞效应对真空液体排放流量的影响依赖于初始过冷比RP,0=P_0/P_(sat)(T_0),除非初始过冷比远大于1,一般需要考虑闪蒸引起的实际排放流量变化,即明显低于不可压理论的估算结果。
Keyword液体闪蒸射流 壅塞 真空液体排放
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:5372528
DepartmentNML微重力两相流与燃烧
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58234
Collection国家微重力实验室
Recommended Citation
GB/T 7714
赵建福,杜王芳,李凯. 真空环境液体排放过程的热动力学研究[J]. 工程热物理学报,2015,41(3):564-567
APA 赵建福,杜王芳,&李凯.(2015).真空环境液体排放过程的热动力学研究.工程热物理学报,41(3),564-567.
MLA 赵建福,et al."真空环境液体排放过程的热动力学研究".工程热物理学报 41.3(2015):564-567.
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