Ocena efektu grawitacyjnego w polu stężeń membrany dla warunków Polaryzacji stężeniowej
Evaluation of the effects of gravity in the concentration field of membrane for the conditions of concentration polarization

Summary/Abstract: The cubic equations describing the difference in concentration at the interface of membrane-solutions and a mathematical model describing the gravitational effect for the diffusion and convection-diffusion conditions of membrane concentration fields. The article also shows a mathematical expression for the concentration of Rayleigh number, which is a parameter controlling the transition from diffusion to convection states. Using the obtained equations, calculations for a Nephrophan membrane used in hemodializator of "artificial kidney", separating the aqueous glucose solutions of different concentrations were performed.

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