An improved application of the transient hot-wire technique for the absolute accurate measurement of the thermal conductivity of pyroceram 9606 up to 420 K

M. J. Assael, K. D. Antoniadis, Konstantinos Kakosimos, I. N. Metaxa

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

This article describes the final refinements of a novel application of the transient hot-wire technique developed for the absolute, accurate measurements of the thermal conductivity of solids. Although the technique was originally developed five years ago, these new refinements allow a full understanding of the method and hence the performance of measurements with an absolute uncertainty of less than 1 %. New measurements of Pyroceram 9606 up to 420 K are reported. The maximum deviation of the present measurements is 0.54 %, while their standard deviation at the 95 % confidence level is 0.25 %. Since May 2007, Pyroceram 9606 is a European Commission certified thermal-conductivity reference material, designated as BCR-724, with an uncertainty of ±6.5 % at the 95 % confidence level.

Original languageEnglish
Pages (from-to)445-456
Number of pages12
JournalInternational Journal of Thermophysics
Volume29
Issue number2
DOIs
Publication statusPublished - Apr 2008
Externally publishedYes

Fingerprint

Pyroceram (trademark)
Thermal conductivity
thermal conductivity
wire
Wire
confidence
Thermal conductivity of solids
standard deviation
deviation

Keywords

  • BCR-724
  • Ceramic
  • Pyroceram 9606
  • Solid
  • Thermal conductivity
  • Transient hot wire

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Mechanics of Materials
  • Computational Mechanics
  • Fluid Flow and Transfer Processes
  • Physics and Astronomy (miscellaneous)

Cite this

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abstract = "This article describes the final refinements of a novel application of the transient hot-wire technique developed for the absolute, accurate measurements of the thermal conductivity of solids. Although the technique was originally developed five years ago, these new refinements allow a full understanding of the method and hence the performance of measurements with an absolute uncertainty of less than 1 {\%}. New measurements of Pyroceram 9606 up to 420 K are reported. The maximum deviation of the present measurements is 0.54 {\%}, while their standard deviation at the 95 {\%} confidence level is 0.25 {\%}. Since May 2007, Pyroceram 9606 is a European Commission certified thermal-conductivity reference material, designated as BCR-724, with an uncertainty of ±6.5 {\%} at the 95 {\%} confidence level.",
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