Thermal diffusion in liquids 4 Axial flow 2 Bifurcation (mathematics) 2 Carbon dioxide 2 Density (optical) 2 Diffusion in liquids 2 Ethane 2 Gaussian models 2 Hydrodynamics 2 Light extinction 2 Mass transfer 2 Mathematical models 2 Measurement errors 2 Optical variables measurement 2 Perturbation techniques 2 Photothermal 2 Recirculations 2 Refractive index 2 Supercritical carbon dioxide 2 Supercritical ethane 2 Supercritical fluid 2 Taylor Couette flows 2 Thermal diffusivity 2 Thermal lens 2 Thermal lensing 2 Thermal variables measurement 2 Tracer dispersion 2 Turbulent flow 2