Advanced Fundamental Studies on Supercritical Fluids

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SuperCritical Fluids (SCFs) are fluids at pressures above critical pressure. SCFs exhibit a unique set of properties like peaks in specific heat, thermal conductivity and coefficient of thermal expansion; zero surface tension; high diffusivity and compressibility; which make them ideal for use in a variety of industrial and laboratory applications. The application of SCFs requires an understanding of the fundamentals of their thermophysical properties and behavior. At critical and SC Pressures (SCPs) a fluid is considered a single-phase substance despite the fact that all thermophysical properties undergo significant variations within the critical and pseudocritical regions. Near the critical point, these changes are dramatic. In the vicinity of pseudocritical points with an increase in pressure, these changes become less pronounced.