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激光光谱法尿素水溶液液膜多参数同步测量

石建伟 吴威 杨荟楠 郭晓龙 苏明旭 蔡小舒

石建伟, 吴威, 杨荟楠, 等 . 激光光谱法尿素水溶液液膜多参数同步测量[J]. 北京航空航天大学学报, 2017, 43(2): 360-365. doi: 10.13700/j.bh.1001-5965.2016.0101
引用本文: 石建伟, 吴威, 杨荟楠, 等 . 激光光谱法尿素水溶液液膜多参数同步测量[J]. 北京航空航天大学学报, 2017, 43(2): 360-365. doi: 10.13700/j.bh.1001-5965.2016.0101
SHI Jianwei, WU Wei, YANG Huinan, et al. Simultaneous measurement of multi-parameter of liquid film for urea-water-solution by laser spectroscopy[J]. Journal of Beijing University of Aeronautics and Astronautics, 2017, 43(2): 360-365. doi: 10.13700/j.bh.1001-5965.2016.0101(in Chinese)
Citation: SHI Jianwei, WU Wei, YANG Huinan, et al. Simultaneous measurement of multi-parameter of liquid film for urea-water-solution by laser spectroscopy[J]. Journal of Beijing University of Aeronautics and Astronautics, 2017, 43(2): 360-365. doi: 10.13700/j.bh.1001-5965.2016.0101(in Chinese)

激光光谱法尿素水溶液液膜多参数同步测量

doi: 10.13700/j.bh.1001-5965.2016.0101
基金项目: 

国家自然科学基金 51676130

国家自然科学基金 51306123

博士点基金联合资助课题 20133120120008

上海市科委科研计划 13DZ2260900

上海高校青年教师培养资助计划 

详细信息
    作者简介:

    石建伟, 男, 硕士研究生。主要研究方向:激光光谱测量方法

    通讯作者:

    杨荟楠, 女, 博士, 副教授。主要研究方向:激光光谱测量方法与应用, E-mail:yanghuinan@usst.edu.cn

  • 中图分类号: TK311

Simultaneous measurement of multi-parameter of liquid film for urea-water-solution by laser spectroscopy

Funds: 

National Nature Science Foundation of China 51676130

National Nature Science Foundation of China 51306123

the Joint Specialized Research Found for the Doctoral Program of Higher Education 20133120120008

Research Project of Shanghai Municipal Science and Technology 13DZ2260900

Cultivation of Young Teachers in Colleges and Universities Funded Program in Shanghai 

More Information
  • 摘要:

    对溶液液膜温度、厚度和浓度进行定量分析对与之相关的工业过程至关重要,对其机理的研究中它们互相耦合,而传统的测量方法只能实现液膜的温度、厚度和浓度的单独测量。本文基于比尔-朗伯定律,提出一种尿素水溶液液膜的温度、厚度和浓度同步测量新方法,通过结合3个波长1 420、1 488和1 531 nm的激光,建立了尿素水溶液液膜的温度、厚度和浓度的同步反演模型。在此基础上,利用1 mm温控样品池验证了该方法的测量精度,结果表明,该方法测量尿素水溶液液膜厚度的平均误差为0.51%,液膜温度的平均误差为2.59%,液膜浓度的平均误差为6.32%。

     

  • 图 1  温度30℃,不同浓度(5%~35%) 以及浓度10%不同温度(25~50℃) 的尿素水溶液吸收光谱

    Figure 1.  Absorption spectra of urea-water-solution with different mass fraction (5% -35%) at 30℃ and with mass fraction of 10% at different temperature (25-50℃)

    图 2  实验装置图

    Figure 2.  Schematic drawing of experimental setup

    图 3  尿素水溶液液膜厚度、浓度及温度反演结果

    Figure 3.  Calculated results of film thickness, mass fraction and temperature for urea-water-solution

    表  1  3个波长所对应的AiBiDiEi的值

    Table  1.   Values of AiBiDiEi at three corresponding wavelengths

    波长/nm Ai Bi Di Ei
    1 420 -0.052 33 -8.446 49 0.048 91 10.430 74
    1 488 0.067 71 -0.713 14 -0.048 41 11.484 23
    1 531 0.029 85 -2.452 57 -0.036 21 6.917 73
    下载: 导出CSV
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出版历程
  • 收稿日期:  2016-01-26
  • 录用日期:  2016-06-02
  • 网络出版日期:  2017-02-20

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