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  • Title: [Model equations for graviosmotic flows in double-membrane system].
    Author: Slezak A.
    Journal: Polim Med; 2009; 39(1):3-15. PubMed ID: 19580169.
    Abstract:
    On the basis of Kedem-Katchalsky equations the model equations for graviosmotic flows was elaborated. The validity of this model for aqueous glucose solutions was verified, using a Kargol's double-membrane cell. In the cell, volume flux was measured as a function of time and solution concentrations. These experimental findings are interpreted in terms of a gravitational instability that reduced concentration boundary layers dimensions. A critical values of concentration Rayleigh number for membrane transport is used in a mathematical model for gravitationally sensitive volume flows.
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