Measurement of transient temperature field within a falling droplet

被引：20

作者：

Lu, QZ

Melton, LA

机构：

[1] Univ Texas, Dept Chem, Richardson, TX 75083 USA

[2] Univ Sci & Technol China, Dept Modern Chem, Hefei 230026, Anhui, Peoples R China

来源：

AIAA JOURNAL | 2000年 / 38卷 / 01期

关键词：

D O I：

10.2514/2.927

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Fluorescence shift thermometry has been combined with droplet slicing imaging to capture images of the transient temperature field within a 500-mu m-diam decane droplet falling into 370-420 degrees C nitrogen. The temperature held becomes almost homogeneous within 5-10 ms of entry into the hot ambient gas and rises toward the boiling point of the liquid over 50-100 ms. The constraints faced in time design of such an experiment and the protocols required for successful measurement of such temperature images are addressed.

引用

收藏

页码：95 / 101

页数：7

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