We investigate theoretically, numerically and experimentally nonlinear optical waves in an absorbing out-of-equilibrium colloidal material at the gelification transition. At sufficiently high optical intensity, absorption is frustrated and light propagates into the medium. The process is mediated by the formation of a matter-shock wave due to optically induced thermodiffusion, and largely resem...

We study diffusive transport of aqueous methane in sea sediments, which is important for formation of methane hydrate and gas deposits and has even been claimed to be principal methane transport mechanism for some geological systems. The isothermal diffusion law (Fick's law), D X = − ∇ J , which is employed in the literature for investigations on methane hydrate, is shown to significantly devia...

Soret coefficients of the ternary system of poly(ethylene oxide) in mixed water/ethanol solvent were measured over a wide solvent composition range by means of thermal diffusion forced Rayleigh scattering. The Soret coefficient S(T) of the polymer was found to change sign as the water content of the solvent increases with the sign change taking place at a water mass fraction of 0.83 at a temper...

In a series of publications, Kocherginsky and Gruebele presented systematic framework for chemical transport thermodiffusion to predict the Soret coefficients from thermodynamics. A macroscopic derivation Onsager reciprocal relations without recourse microscopic fluctuations or equations motion was also discussed. Their important contributions some confusions are

The paper considers the technological features of thermodiffusion galvanizing fasteners in a powder mixture containing main waste hot it is gartzink. advantages preliminary fluxing over thermal diffusion zinc plating are noted. microstructure obtained layers on steel 40Х was studied, saturation kinetics and quality resulting were