Statistical theory of brownian motion in a moving fluid in the presence of a temperature gradient

摘要: Abstract The theory of Brownian motion in an inhomogeneous fluid is discussed within the framework method one authors (DNZ) for construction distribution function a nonequilibrium system. Fokker-Planck equation derived where temperature gradient left hand part considered as “external force”. An extra term right with kinetic coefficient η reflects additional dissipation effect ∼∇T. transport particles diffusion D = kT ζ and thermodiffusion coefficients T n B kT( 1 + ) also obtained, isthe friction nB number density particles.