The Mechanism by which water moves through a porous material subjected to a temperature gradient: 2. Salt tracer and streaming potential to detect flow in the liquid phase

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TypeArticle
Journal titleSoil Science
ISSN0038-075X
Volume84
Issue5
Pages419422; # of pages: 4
Subjectsand; porosity; waterflow
AbstractA temperature gradient across a partially saturated porous material produces a movement of water from the hot to the cold side. The controversy regarding the mechanism by which this water moves has been referred to in a previous paper ( NRCC-3453). If there is flow in the liquid phase toward the cold side, the liquid may be expected to carry along dissolved salt, and this flow may be expected to give rise to a streaming potential. This paper gives the results of experiments to detect flow in the liquid phase through a bed of sand by using a salt tracer and by measuring streaming potentials.
Publication date
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
IdentifierDBR-RP-53
NRC number4529
1731
NPARC number20378330
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Record identifiere8c86b3b-a359-4eb0-9e85-dc83ad48c8ba
Record created2012-07-24
Record modified2016-05-09
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