Abstract
Properties of oil substances manifest themselves by numerous physical, chemical and physicochemical parameters. Among various physical parameters (like temperature dependencies of the density or the friction coefficient), optical parameters can be underlined, namely: coefficient of light refraction and coefficient of light absorption, both as dependencies on the light wavelength. Those parameters are only primary optical characteristics of define substance, because in fact they constitute input data for example in the calculation other optical waveforms like light reflection coefficient (reflectivity), which can be useful in techniques in which oil plays any role. Reflectivity is a value in electrodynamics theory when the light is treated as an electromagnetic wave and can be derived from Maxwell equations for the plane wave which incidence the air-oil interface. The main assumption of this study is expectation that reflection of the light from the surface of define oil contain spectral information about features of oil. In this paper, there are presented spectral dependencies of reflectivity for the light which incidents the surfaces of various examples of oil, namely: crude oil Romashkino, lubricate oil Marinol, fuel oil L-1. Such information can help in the future in preparation the remote (touchless) method of detection the quality of define exploitive oil substance or changes of its properties.
Published Version
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