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Apparatus for routine measurements of the thermal conductivity of ice cores
Abstract
An apparatus is described for measuring the thermal conductivity of ice by the transient hot-wire method. Thermal conductivity A, is determined by tracking the thermal pulse induced in the sample by a heating source consisting of a platinum resistor. A central segment of the same platinum heating resistor acts also as a thermal sensor. A heat pulse transferred to the ice for a period of 40s gives a maximum temperature increment of about 7-14°C. In good experimental conditions, the expected reproducibility of the measurements is within ±3%. The accuracy of the method depends on whether the instrument has been calibrated by reliable standard samples, certified by absolute methods.
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The hot-wire method is commonly used to measure low thermal conductivity materials such as soils, ice cores and refractories.
“Hot-wire method is commonly used to measure low thermal conductivity materials such as soils [46], ice cores [47] and refractories (refractory brick, refractory fibers, plastic refractories and powdered materials [48]).”
From Measurement Techniques for Thermal Conductivity and Interfacial Thermal Conductance of Bulk and Thin Film Materials (2016) · cites this paper as [47]
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Research works printed but not linked: 12
- Ito, 1977, Shotherm QTM measurement of rock specimens. Shotherm Sales Information 111, Chinetsu, 14, 21
- Clark, 1966, Handbook of physical constants, 10.1130/MEM97 · DOI
- 10.1063/1.1721592 · DOI
- Beblo, 1982, Landolt-Börnstein numerical data and functional relationships in science and technology. Vol. lb, 482
- Jaeger, 1965, Terrestrial heat flow, 7
- 10.1088/0508-3443/15/10/307 · DOI
- 10.1088/0508-3443/10/1/306 · DOI · Paper page
- 10.1088/0950-7671/40/2/309 · DOI
- 10.1071/PH560167 · DOI
- 10.1029/JZ064i010p01557 · DOI
- Grubbe, 1983, Determination of the vertical component of thermal conductivity by line source methods, Zentralbl. Geol. Paläontol., 1, 49
- Carslaw, 1959, Conduction of heat in solids
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Zhao, D., Qian, X., Gu, X., Jajja, S. A., & Yang, R. (2016) · Journal of Electronic Packaging · doi:10.1115/1.4034605 · Cited by 559
Metadata
- Authors
- Festa, C., & Rossi, A.
- Venue
- Annals of Glaciology
- Publisher
- International Glaciological Society
- Published
- 1999
- Volume
- 29
- Pages
- 151-154
- ISSN
- 0260-3055
- 1727-5644
- Cited by
- 5
- References
- 0
- Language
- en
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