Development and calibration of a thermal conductivity probe apparatus for use in the field and laboratory

An important property in the solution of geothermal problems is the thermal conductivity of the ground. Data on conductivity of soils, particularly in permafrost areas, are extremely scarce owing in part to the fact that a relatively inexpensive and simple apparatus has not been available for measur...

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Bibliographic Details
Main Authors: Slusarchuk, W. A., Foulger, P. H.
Format: Report
Language:English
Published: National Research Council of Canada 1973
Subjects:
sol
Online Access:https://doi.org/10.4224/20375026
https://nrc-publications.canada.ca/eng/view/ft/?id=7c67f98b-d123-446d-8b1a-d34fc7b4e502
https://nrc-publications.canada.ca/eng/view/object/?id=7c67f98b-d123-446d-8b1a-d34fc7b4e502
https://nrc-publications.canada.ca/fra/voir/objet/?id=7c67f98b-d123-446d-8b1a-d34fc7b4e502
Description
Summary:An important property in the solution of geothermal problems is the thermal conductivity of the ground. Data on conductivity of soils, particularly in permafrost areas, are extremely scarce owing in part to the fact that a relatively inexpensive and simple apparatus has not been available for measuring conductivity with confidence. This paper deals with the development of such an instrument for use in permafrost soils under both field and laboratory conditions. A series of tests has been carried out to calibrate the probe with the guarded hot plate using several granular materials. La conductibilité thermique du sol est un élément important de la solution des problèmes géothermiques. Les données sur la conductibilité du sol, surtout dans les régions gelées en permanence, sont très rares, en partie parce qu'il n'existe aucun appareil relativement simple et peu coûteux qui permette de mesurer la conductibilité avec précision. Le pré sent article traite de la mise au point d'un tel appareil pour l'étude des sols gelés en permanence, tant sur place qu' en laboratoire. On a mené une série d'essais afin d'é talonner la sonde avec la plaque chaude gardée au moyen de divers matériaux granuleux. Peer reviewed: No NRC publication: Yes