首页|Research on the fluorescence distribution of the emulsified oil spills on the sea surface based on LIF
Research on the fluorescence distribution of the emulsified oil spills on the sea surface based on LIF
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NSTL
Elsevier
The fluorescence distribution of the emulsified oil spills (water-in-oil and oil-in-water) on the sea surface based on laser-induced fluorescence (LIF) is profoundly researched. First, the fluorescent radiative transmission model of the emulsified oil spills is established based on the MIE scattering theory and the Monte Carlo method. And then, the correctness of the fluorescent radiative transmission model is verified by the experimental and simulated fluorescence signal data. Second, the positional distributions and directional distributions of the fluorescence emitted from the emulsified oil spills to sea level under different detection parameters are discussed based on this model, respectively. Finally, the effective receiving area of the emulsified oil spills under certain LIF detection conditions is also analyzed. The results demonstrate that the fluorescence positional distribution for two types of the emulsified oil spills varies extremely. When the laser is vertically incident on the sea surface to the emulsified oil spills, the fluorescence emitted from the sea surface assumes Gaussian distribution. Simultaneously, the fluorescence signal in all directions enhances first and then stabilizes with the increase of the detection area. Further when the detection area reaches a certain value, the strongest fluorescence signal can be received in the vertical sea surface. In addition, the effective detection area of oil-in-water is significantly sharper than that of water-in-oil, and light emulsified oil spill is larger than that of heavy emulsified oil spill.
The emulsified oil spillsFluorescent radiative transmission modelLaser-induced fluorescenceMIE scattering theoryMonte Carlo methodLIGHTSIZEIDENTIFICATIONPARTICLESBRDFFILM
NSTL
Elsevier
