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

Journals >Acta Optica Sinica >Volume 40 >Issue 17 >Page 1701001 > Article

Acta Optica Sinica
Vol. 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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DOI: 10.3788/AOS202040.1701001 Cite this Article Set citation alerts

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 Copy Citation Text

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

Wavelength /nm	Petrobaltic		Seawater
Wavelength /nm	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 2. Optical parameters of Petrobaltic oil and seawater

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

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

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