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Non-isothermal mass transport in porous media

Authors
Journal
Journal of Membrane Science
0376-7388
Publisher
Elsevier
Publication Date
Volume
3
Issue
2
Identifiers
DOI: 10.1016/s0376-7388(00)83022-7
Disciplines
  • Musicology
  • Physics

Abstract

Abstract Propagation of acoustic waves in non-isothermal dense media produces radiation-pressures whose nature is analyzed here. The case of a flux of thermal — rather than acoustic — energy can be analogously treated, and a molecular theory of thermal diffusion is accordingly formulated. p]The special case of thermal diffusion occurring within the liquid-filled channels of a thin partition — “thermodialysis” — is quantitatively analyzed within the frame of reference of the radiation-pressure approach. p]Some apparatuses developed for the experimental study of thermodialysis are described. The results obtained are discussed and shown to be in accord with the theoretical expectations.

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