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基于时域信息的粒径分布及光学常数重建

任亚涛 齐宏 张晓罗 阮立明

任亚涛, 齐宏, 张晓罗, 等 . 基于时域信息的粒径分布及光学常数重建[J]. 北京航空航天大学学报, 2017, 43(11): 2193-2198. doi: 10.13700/j.bh.1001-5965.2017.0054
引用本文: 任亚涛, 齐宏, 张晓罗, 等 . 基于时域信息的粒径分布及光学常数重建[J]. 北京航空航天大学学报, 2017, 43(11): 2193-2198. doi: 10.13700/j.bh.1001-5965.2017.0054
REN Yatao, QI Hong, ZHANG Xiaoluo, et al. Reconstruction of particle size distribution and optical constant based on time-resolved information[J]. Journal of Beijing University of Aeronautics and Astronautics, 2017, 43(11): 2193-2198. doi: 10.13700/j.bh.1001-5965.2017.0054(in Chinese)
Citation: REN Yatao, QI Hong, ZHANG Xiaoluo, et al. Reconstruction of particle size distribution and optical constant based on time-resolved information[J]. Journal of Beijing University of Aeronautics and Astronautics, 2017, 43(11): 2193-2198. doi: 10.13700/j.bh.1001-5965.2017.0054(in Chinese)

基于时域信息的粒径分布及光学常数重建

doi: 10.13700/j.bh.1001-5965.2017.0054
基金项目: 

国家自然科学基金 51576053

哈尔滨市科技创新人才研究专项基金 2014RFQXJ047

详细信息
    作者简介:

    任亚涛 男, 博士研究生。主要研究方向:辐射传输逆问题及智能优化算法

    齐宏 男, 博士, 教授, 博士生导师。主要研究方向:热辐射传输与耦合换热、高温弥散颗粒辐射物性及温度测量、辐射传输逆问题及智能优化算法、微藻新能源利用

    通讯作者:

    齐宏, E-mail: qihong@hit.edu.cn

  • 中图分类号: TK121

Reconstruction of particle size distribution and optical constant based on time-resolved information

Funds: 

National Natural Science Foundation of China 51576053

Harbin Special Fund for Scientific and Technological Innovation Talents 2014RFQXJ047

More Information
  • 摘要:

    准确地测量颗粒系粒径分布与光学常数对于准确地预测相关介质内的辐射传输过程具有重要意义。采用一种改进的烟花算法同时反演了颗粒系粒径分布与光学常数。通过测量不同波长的激光辐照下,一维颗粒系的不同角度的时域透射信号,并结合改进的烟花算法对其光学常数以及粒径分布进行反演。通过对3种常见的粒径分布函数进行测试发现,使用本文提出的改进的烟花算法结合相应的物性测量方法可以准确得到颗粒系粒径分布与光学常数。

     

  • 图 1  实验原理图

    R-反射率;T-透射率;z-样品厚度方向;θ-透射角

    Figure 1.  Experimental schematic

    图 2  烟花算法的搜索过程示意图

    Figure 2.  Schematic of searching process for firework algorithm

    图 3  物性反演流程图

    Figure 3.  Flowchart of parameter retrieval

    图 4  粒径分布反演结果

    Figure 4.  Retrieval results of particle size distribution

    表  1  改进的烟花算法参数设置

    Table  1.   Parameter setting of improved firework algorithm

    参数 Amax Ainit Afinal Ntot ng nmax nmin tmax Vmax w
    数值 5.0 0.1 0.001 100 5 20 5 3 000 10.0 0.9-0.5t/tmax
    下载: 导出CSV

    表  2  粒径分布以及复折射率真值

    Table  2.   True value of particle size distribution and complex refractive index

    参数分布 (D, σ) (n, k)
    波长为λ1 波长为λ2
    R-R (3.4, 1.8) (1.359, 4.9×10-3) (1.363, 2.5×10-3)
    S-N (4.1, 2.3) (1.352, 4.9×10-3) (1.358, 2.5×10-3)
    L-N (3.6, 4.2) (1.352, 5.0×10-3) (1.353, 2.5×10-3)
    下载: 导出CSV

    表  3  光学常数和粒径分布反演结果

    Table  3.   Retrieval results of optical constant and particle size distribution

    参数分布 (n, k) (εrel(n), εrel(k))/% (D, σ) (εrel(), εrel(σ))/%
    波长为λ1 波长为λ2 波长为λ1 波长为λ2
    R-R (1.358 9, 4.85 × 10-3) (1.364 5, 2.52 × 10-3) (0.01, 1.04) (0.11, 0.67) (3.45, 1.84) (1.47, 2.22)
    S-N (1.352 5, 4.94 × 10-3) (1.356 0, 2.52 × 10-3) (0.03, 0.80) (0.11, 0.95) (4.17, 2.33) (1.71, 1.30)
    L-N (1.351 6, 4.99 × 10-3) (1.352 7, 2.51 ×10-3) (0.03, 0.13) (0.02, 0.50) (3.57, 4.14) (0.83, 1.43)
    下载: 导出CSV
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出版历程
  • 收稿日期:  2017-02-13
  • 录用日期:  2017-06-30
  • 刊出日期:  2017-11-20

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