Record Details

Probe for Measuring Soil Specific Heat Using A Heat-Pulse Method

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Relation http://oar.icrisat.org/6789/
http://dx.doi.org/10.2136/sssaj1991.03615995005500010052x
 
Title Probe for Measuring Soil Specific Heat Using A Heat-Pulse Method
 
Creator Campbell, G S
Calissendorff , C
Williams, J H
 
Subject Soil Science
 
Description Temperature rise, measured a short distance from a line heat source, can be used to determine the volumetric specific heat of soil and other materials. Volumetric specific heat is linearly related to the inverse of the temperature rise. The purpose of this note is to describe the construction and performance of a device for measuring specific heat using the line source method. The device was constructed from two hypodermic needles, 0.813 mm in diam. and 28 mm long, and spaced 6 mm apart. One needle contained a heater and the other a thermocouple. The temperature rise from heat pulses given to the heater were measured with the thermocouple. The coefficientof variation (CV) of specific heat on replicate samples was around 1%. Since water is the main variable component of the specific heat in nonswelling soil, changes in water content might be resolved to 0.01 or better in nonswelling soils
 
Publisher Soil Science Society of America
 
Date 1991
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Rights —
 
Identifier http://oar.icrisat.org/6789/1/SSSAJ_55_1_291-293_1991.pdf
Campbell, G S and Calissendorff , C and Williams, J H (1991) Probe for Measuring Soil Specific Heat Using A Heat-Pulse Method. Soil Science Society of America Journal, 55 (1). pp. 291-293. ISSN 0361-5995