BRRDF Simulation Research on Detection Parameters of Oil-in-Water Emulsion of Oil Spill on Sea Surface

Xiaodan Zhang; Deming Kong; Li Yuan; Dehan Kong; Lingfu Kong; Haiyang Jia

doi:10.3788/AOS202040.1701001

Acta Optica Sinica, Volume. 40, Issue 17, 1701001(2020)

BRRDF Simulation Research on Detection Parameters of Oil-in-Water Emulsion of Oil Spill on Sea Surface

Xiaodan Zhang¹, Deming Kong^2、*, Li Yuan¹, Dehan Kong³, Lingfu Kong¹, and Haiyang Jia¹

Author Affiliations

¹School of Information Science and Engineering, Yanshan University, Qinhuangdao, Hebei 0 66004, China

²School of Electrical Engineering, Yanshan University, Qinhuangdao, Hebei 0 66004, China

³Department of Information Engineering, Hebei University of Environmental Engineering, Qinhuangdao, Hebei 0 66000, China

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Figures & Tables(9)

Fig. 1. Geometric diagram of X_BRRDF

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Fig. 2. Schematic diagram of photon transmission

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Fig. 3. Simulation results of oil-in-water emulsion at different emulsification time. (a) 0 d; (b) 1 d; (c) 7 d; (d) 14 d

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Fig. 4. $X_{BRRDF} \cos θ_{r} \cos θ_{i}$ at different fluorescence wavelengths. (a) 618 nm; (b) 500 nm

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Fig. 5. X_BRRDFcos θ_rcos θ_i simulation curves of different oil-in-water emulsions. (a) Group1; (b) group3; (c) group5

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$Simulation results of different oil-in-water emulsions at θi=θr. (a) Volume fraction is 10-6; (b) thickness is 5 cm and volume fraction is 10-6; (c) thickness is 5 cm$

Fig. 6. Simulation results of different oil-in-water emulsions at θ_i=θ_r. (a) Volume fraction is 10^-6; (b) thickness is 5 cm and volume fraction is 10^-6; (c) thickness is 5 cm

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Table 1. Oil droplet size distribution of oil-in-water emulsions with different emulsification time
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Table 1. Oil droplet size distribution of oil-in-water emulsions with different emulsification time
Time /d Radius for maximum of distribution r₀ /μm Parameter of a shape of distribution σ
0 0.250 1.02
1 0.200 0.98
7 0.125 0.90
14 0.080 0.87

Table 2. Optical parameters of Petrobaltic oil and seawater
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Table 2. Optical parameters of Petrobaltic oil and seawater
Wavelength /nm Petrobaltic Seawater
a /m^-1 Refractive index a /m^-1 b /m^-1 Refractive index
405 20110 1.490 0.7 0.70 1.345
500 3270 1.482 0.3 0.50 1.339
618 1260 1.477 0.4 0.45 1.334

Table 3. Absorption coefficient and scattering coefficient of oil droplets particle of oil-in-water emulsion (Petrobaltic oil)

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Table 3. Absorption coefficient and scattering coefficient of oil droplets particle of oil-in-water emulsion (Petrobaltic oil)

Time /d	405 nm		500 nm		618 nm
Time /d	a /m^-1	b /m^-1	a /m^-1	b /m^-1	a /m^-1	b /m^-1
0	0.1236	2.6905	0.0215	2.8400	0.0084	2.8804
1	0.1612	4.3136	0.0278	4.4935	0.0108	4.5165
7	0.1781	8.6540	0.0300	8.4395	0.0117	8.0408
14	0.1678	12.1213	0.0279	10.8637	0.0108	9.6768

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Xiaodan Zhang, Deming Kong, Li Yuan, Dehan Kong, Lingfu Kong, Haiyang Jia. BRRDF Simulation Research on Detection Parameters of Oil-in-Water Emulsion of Oil Spill on Sea Surface[J]. Acta Optica Sinica, 2020, 40(17): 1701001

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Paper Information

Category: Atmospheric Optics and Oceanic Optics

Received: Apr. 9, 2020

Accepted: May. 29, 2020

Published Online: Aug. 24, 2020

The Author Email: Kong Deming (demingkong@ysu.edu.cn)

DOI:10.3788/AOS202040.1701001

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Oil droplet size distribution of oil-in-water emulsions with different emulsification time

Table 1. Oil droplet size distribution of oil-in-water emulsions with different emulsification time

Table 2. Optical parameters of Petrobaltic oil and seawater

Table 2. Optical parameters of Petrobaltic oil and seawater

Table 3. Absorption coefficient and scattering coefficient of oil droplets particle of oil-in-water emulsion (Petrobaltic oil)

Table 3. Absorption coefficient and scattering coefficient of oil droplets particle of oil-in-water emulsion (Petrobaltic oil)