中国激光, 2019, 46 (4): 0404011, 网络出版: 2019-05-09
双波长动态液膜厚度与温度同步测量系统 
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Simultaneous Measurement System of Thickness and Temperature of Two-Wavelength Dynamic Liquid Film
图 & 表
图 1. 激光1和2的红外吸收截面σ(vi,Tl)随温度的变化
Fig. 1. Infrared absorption cross sections σ(vi,Tl) of lasers 1 and 2 versus temperature
图 3. 双波长DLAS液膜测量系统示意图
Fig. 3. Schematic of two-wavelength DLAS liquid film measurement system
图 4. 标准具验证实验结果。(a)液膜温度;(b)液膜厚度
Fig. 4. Experimental results of validation by calibration tool. (a) Liquid film temperature; (b) liquid film thickness
图 5. 激光1和2在液膜蒸发过程中的透射光强和室温下的入射光强
Fig. 5. Time-dependent transmitted intensities during liquid film evaporation process and incident intensities at room temperature for lasers 1 and 2
图 6. 液膜蒸发过程中不同方法测得的液膜厚度和温度随时间的变化
Fig. 6. Time-resolved measurements of liquid film temperature and liquid film thickness during liquid film evaporation process obtained by different methods
图 7. 液膜蒸发过程中的4个特定时刻的阴影图像。(a) t=960 s;(b) t=2280 s;(c) t=3000 s;(d) t=3600 s
Fig. 7. Shadow graphs at four specific instants during liquid film evaporation process. (a) t=960 s; (b) t=2280 s; (c) t=3000 s; (d) t=3600 s
图 8. 流道中动态液膜测量实验装置图
Fig. 8. Experimental setup of dynamic liquid film measurement in flow channel
表 1两个选定波数的液态水吸收截面的拟合参数
Table1. Fitting parameters of liquid water absorption cross sections at two selected wavenumbers
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杨荟楠, 邓豪, 蒋永, 张月星, 苏明旭. 双波长动态液膜厚度与温度同步测量系统[J]. 中国激光, 2019, 46(4): 0404011. Huinan Yang, Hao Deng, Yong Jiang, Yuexing Zhang, Mingxu Su. Simultaneous Measurement System of Thickness and Temperature of Two-Wavelength Dynamic Liquid Film[J]. Chinese Journal of Lasers, 2019, 46(4): 0404011.
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