[Thermal effects of a short light flash on biological tissues. I. An optical and thermal model].
By summarizing the reference data and own calculations, a simple model for the optical and thermal properties of two-component biological tissues was proposed, as applied to the investigations of thermal fields in human tissues under external irradiation. The model comprises a small number of input variable parameters (total hemoglobin, blood oxygenation degree, and volume fraction of blood vessels) and enables one to find all optical characteristics necessary to compute the light fields in the tissue and set the thermal source function. Thermal parameters that determine heat transfer in the two-component medium were calculated with regard for the conditions of heat exchange between the components and heat transfer at the interface with various environments.
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D000818:Animals; D001769:Blood; D001775:Blood Circulation; D001808:Blood Vessels; D003198:Computer Simulation; D006358:Hot Temperature; D006801:Humans; D008027:Light; D008954:Models, Biological; D013814:Thermal Conductivity; D013816:Thermodynamics