Research on the fractal model and calibration of the aerosol mass concentration measurement based on the particle group light scattering

Fang Gu; Yi Liu; Jiahong Zhang; Yunyun Chen; Fengping Cui

doi:10.3788/COL201614.112901

Chinese Optics Letters, Volume. 14, Issue 11, 112901(2016)

Research on the fractal model and calibration of the aerosol mass concentration measurement based on the particle group light scattering

Fang Gu^1、*, Yi Liu³, Jiahong Zhang^2,4, Yunyun Chen¹, and Fengping Cui¹

Author Affiliations

¹School of Physics and Optoelectronic Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China

²Jiangsu Collaborative Innovation Center on Atmospheric Environment and Equipment Technology, Nanjing University of Information Science and Technology, Nanjing 210044, China

³School of Electronic & Information Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China

⁴Jiangsu Key Laboratory of Meteorological Observation and Signal Processing, Nanjing University of Information Science and Technology, Nanjing 210044, China

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Figures & Tables(6)

Fig. 1. Schematic diagram of the measurement system for aerosol mass concentration.

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Fig. 2. Schematic diagram of equivalent particle aggregate.

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Fig. 3. Voltage signal amplitude distribution of aggregates with different mass concentrations.

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$Relationship between the fractal dimension and the relative error of aerosol mass concentration in the condition of the whole interval and subsections.$

Fig. 4. Relationship between the fractal dimension and the relative error of aerosol mass concentration in the condition of the whole interval and subsections.

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Fig. 5. Relationship between the mass concentration and the number of measurement cycle.

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Table 1. Calibration Results of the Proposed Measurement System for Aerosol Mass Concentration

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Table 1. Calibration Results of the Proposed Measurement System for Aerosol Mass Concentration

Range of Number Concentration ( $10^{4} / m^{3}$ )	Range of Mass Concentration ( $mg / m^{3}$ )			$β$	$k (mg / m^{3})$
120–110	${[2.75, 11.09]}_{1}$	${[4.83, 14.90]}_{2}$	${[5.27, 11.69]}_{3}$	2.90	$5.69 \times 10^{- 5}$
110–100	${[1.42, 2.47]}_{1}$	${[2.23, 4.34]}_{2}$	${[2.21, 4.93]}_{3}$	3.11	$5.83 \times 10^{- 5}$
100–90	${[0.92, 1.11]}_{1}$	${[1.21, 1.75]}_{2}$	${[1.23, 2.15]}_{3}$	3.25	$5.84 \times 10^{- 5}$
90–80	${[0.71, 0.76]}_{1}$	${[0.75, 1.09]}_{2}$	${[0.75, 1.19]}_{3}$	3.51	$6.24 \times 10^{- 5}$

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Fang Gu, Yi Liu, Jiahong Zhang, Yunyun Chen, Fengping Cui. Research on the fractal model and calibration of the aerosol mass concentration measurement based on the particle group light scattering[J]. Chinese Optics Letters, 2016, 14(11): 112901

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Paper Information

Category: Scattering

Received: Aug. 7, 2016

Accepted: Sep. 23, 2016

Published Online: Aug. 2, 2018

The Author Email: Fang Gu (gfnuist@163.com)

DOI:10.3788/COL201614.112901

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology