Study of 3D diffusion of liquid contaminants in a liquid medium
In today's world, various methods are being applied for obtaining pollution amount and its emission in different environments (water, soil, and air). Laser sheets is a new method to study the diffusion of contaminant in a liquid medium. In this study, the images resulting reflecting from the visible light shone on the pollutant in a liquid environment are processed. The camera records this reflection, and then the data is pixelated using the image processing and simulated by the code written in MATLAB software. According to the results of experiments on the effect of temperature on the liquid environment, the highest diffusion coefficients are in warmer, isothermal and colder environments, than the pollutant temperature, respectively. According to the experimental results, due to the effect of temperature on the kinetic energy of molecules in the liquid medium, the highest diffusion coefficients are in the liquid medium with warmer, isothermal, and colder temperatures for pollutant, respectively. Based on the experimental results of the surface tension phenomenon, the elastic property of water increases the surface injected pollutant diffusion compared to the sub-surface injection in the liquid medium.
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