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Soil Science Society of America Journal Abstract -

Miscible Displacement: III. Theoretical Considerations1


This article in SSSAJ

  1. Vol. 26 No. 3, p. 216-221
    Received: July 8, 1961
    Accepted: Oct 13, 1961

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  1. D. R. Nielsen and
  2. J. W. Biggar2



Several theoretical models are examined as to their usefulness in describing miscible displacement in porous materials. These descriptions are discussed for glass beads, sieved aggregates and soils at several water contents and for several flow velocities. It is shown that mathematical descriptions which do not include individual mechanisms are unsatisfactory. The mechanisms that must be considered are discussed with specific reference to experimental data.

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