Modelling Capillary Barriers
Author(s)
J. Mls & D. Trpkosˇova´
Abstract
When predicting the behaviour of a proposed capillary barrier, it is possible to
utilize either the experimental measurements or the numerical modelling. Results
of tipping trough modelling of a capillary barrier are used to study the reliability
of numerical modelling. The required hydromechanical parameters of the capillary
barrier layers are determined and used for the numerical repeating of the tipping
trough experiments. The results are presented and discussed.
Subsequently, the paper studies the problem of capillary barriers efficiency. A
criterion is introduced that makes use of soil-moisture retention data in order to
predict the efficiency of a capillary barrier. Hysteresis of retention curves of the
applied materials is studied and its effect on the efficiency is discussed.
Keywords: capillary barrier, retention curve, hysteresis, hydraulic characteristics,
tension apparatus.
Keywords
capillary barrier, retention curve, hysteresis, hydraulic characteristics,
tension apparatus.
Related Book
Other papers in this volume
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