Features of the determination of the thermal conductivity of graphite at temperatures of 3000–3300 K

The results of an investigation of the thermal conductivity of DE-24 isostatic graphite in the temperature range 3000–3300 K are presented. The temperature dependences of the thermal conductivity are determined by the two hollow cylinders method in which it is assumed that the properties of the mate...

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Bibliographic Details
Published in:Measurement techniques 2011-08, Vol.54 (5), p.529-535
Main Authors: Kostanovskii, A. V., Kostanovskaya, M. E., Zeodinov, M. G.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Boundary conditions
Characterization and Evaluation of Materials
Conductivity
Dependence
Electric currents
Graphite
Heat conductivity
Investigations
Measurement Science and Instrumentation
Measurement techniques
Physical Chemistry
Physics
Physics and Astronomy
Radiation
Studies
Temperature
Toy industry
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Summary:The results of an investigation of the thermal conductivity of DE-24 isostatic graphite in the temperature range 3000–3300 K are presented. The temperature dependences of the thermal conductivity are determined by the two hollow cylinders method in which it is assumed that the properties of the material and the resistivity are constant. Exact values of the thermal conductivity are obtained using these relations, the numerical solution of the nonlinear stationary heat-conduction equation and the results of measurements of the temperature on the inner surface of one of the cylinders.
ISSN:0543-1972
1573-8906
DOI:10.1007/s11018-011-9761-5