基于时域信息的粒径分布及光学常数重建
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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。
The accurate measurement of particle size distribution and optical constant is of great importance for the prediction of radiative transfer in participating media. In the present work,an improved firework algorithm was applied to estimate the particle size distribution and optical constant simultaneously. At different angles,the time-resolved transmittance of a one-dimensional slab irradiated by laser of different wavelengths was measured. Afterward,the particle size distribution and optical constant were retrieved using the improved firework algorithm. According to the test cases for three different types of particle size distribution functions,it can be concluded that the particle size distribution and optical constant can be retrieved accurately by the proposed improved firework algorithm with assistant of corresponding physical property measurement technique.
The accurate measurement of particle size distribution and optical constant is of great importance for the prediction of radiative transfer in participating media. In the present work,an improved firework algorithm was applied to estimate the particle size distribution and optical constant simultaneously. At different angles,the time-resolved transmittance of a one-dimensional slab irradiated by laser of different wavelengths was measured. Afterward,the particle size distribution and optical constant were retrieved using the improved firework algorithm. According to the test cases for three different types of particle size distribution functions,it can be concluded that the particle size distribution and optical constant can be retrieved accurately by the proposed improved firework algorithm with assistant of corresponding physical property measurement technique.
引文
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[2]FRANKEL J I.Cumulative variable formulation for transient conductive and radiative transport in participating media[J].Journal of Thermophysics&Heat Transfer,2015,9(2):210-218.
[3]QIAO Y,HONG Q,QIN C,et al.Multi-start iterative reconstruction of the radiative parameter distributions in participating media based on the transient radiative transfer equation[J].Optics Communications,2015,351:75-84.
[4]COQUARD R,ROCHAIS D,BAILLIS D.Conductive and radiative heat transfer in ceramic and metal foams at fire temperatures[J].Fire Technology,2012,48(3):699-732.
[5]汪雪,苏明旭,蔡小舒.超声衰减谱法颗粒粒径测量中遗传算法参数优化[J].上海理工大学学报,2016,38(2):148-153.WANG X,SU M X,CAI X S.Parameters optimization of genetic inversion algorithm for particle sizing by ultrasonic attenustion spectroscopy[J].Journal of University of Shanghai for Science and Technology,2016,38(2):148-153(in Chinese).
[6]DREYER A,KIRCHGEORG T,WEINBERG I,et al.Particlesize distribution of airborne poly-and perfluorinated alkyl substances[J].Chemosphere,2015,129:142-149.
[7]REN Y,QI H,CHEN Q,et al.Simultaneous retrieval of the complex refractive index and particle size distribution[J].Optics Express,2015,23(15):19328-19337.
[8]LUK’YANCHUK B S,VOSHCHINNIKOV N V,PANIAGUA-DOMNGUEZ R,et al.Optimum forward light scattering by spherical and spheroidal dielectric nanoparticles with high refractive index[J].ACS Photonics,2015,2(7):993-999.
[9]ZHANG B,XU C L,WANG S M.An inverse method for flue gas shielded metal surface temperature measurement based on infrared radiation[J].Measurement Science and Technology,2016,27(7):074002.
[10]DEEPA O,SENTHILKUMAR A.Swarm intelligence from natural to artificial systems:Ant colony optimization[J].Applied Optics,2016,8(1):9-17.
[11]EATON J,YANG S,MAVROVOUNIOTIS M.Ant colony optimization with immigrants schemes for the dynamic railway junction rescheduling problem with multiple delays[J].Soft Computing,2016,20(8):1-16.
[12]QI H,REN Y T,CHEN Q,et al.Fast method of retrieving the asymmetry factor and scattering albedo from the maximum timeresolved reflectance of participating media[J].Applied Optics,2015,54(16):5234-5242.
[13]TAN Y,ZHU Y.Fireworks algorithm for optimization[C]∥International Conference on Advances in Swarm Intelligence.Heidelberg:Springer,2010,6145:355-364.
[14]IMRAN A M,KOWSALYA M.A new power system reconfiguration scheme for power loss minimization and voltage profile enhancement using fireworks algorithm[J].International Journal of Electrical Power&Energy Systems,2014,62:312-322.
[15]MODEST M F.Radiative heat transfer[M].New York:Academic Press,2013:265-270.
[16]HODKINSON J,GREENLEAVES I.Computations of light-scattering and extinction by spheres according to diffraction and geometrical optics,and some comparisons with the Mie theory[J].Journal of the Optical Society of America,1963,53(5):577-588.
[17]REN Y T,QI H,HE M J,et al.Application of an improved firework algorithm for simultaneous estimation of temperature-dependent thermal and optical properties of molten salt[J].International Communications in Heat&Mass Transfer,2016,77:33-42.
[18]PILON L,BERBEROG^LU H,KANDILIAN R.Radiation transfer in photobiological carbon dioxide fixation and fuel production by microalgae[J].Journal of Quantitative Spectroscopy&Radiative Transfer,2011,112(17):2639-2660.