Thermal conductivity measurement of gases by the transient short-hot-wire method

S. Moroe, P. L. Woodfield, J. Fukai, K. Shinzato, M. Kohno, M. Fujii, Y. Takata

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Measurements of the thermal conductivity of helium and hydrogen are performed using the transient short-hot-wire method. The short hot wire is made of platinum and has a diameter of about 10 μm and a length of about 15 mm. It is attached by spot welding to platinum terminals with a diameter of 1.5 mm. The probe is inserted into the sample vessel that has a volume of 35 cm 3 and an inner diameter of 30 mm. The thermal conductivity is evaluated by comparing a numerical solution of the heat conduction in and around the short wire with the experimentally obtained temperature rise of the wire. The measured thermal conductivities show good reproducibility. Also, the measured thermal conductivities agree with the reference equations within a deviation of ± 1%.

Original languageEnglish
Pages (from-to)168-178
Number of pages11
JournalExperimental Heat Transfer
Volume24
Issue number2
DOIs
Publication statusPublished - Apr 1 2011

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Thermal conductivity
thermal conductivity
wire
Wire
Gases
gases
Platinum
platinum
Spot welding
welding
Heat conduction
conductive heat transfer
Helium
vessels
helium
deviation
Hydrogen
probes
hydrogen
Temperature

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

Thermal conductivity measurement of gases by the transient short-hot-wire method. / Moroe, S.; Woodfield, P. L.; Fukai, J.; Shinzato, K.; Kohno, M.; Fujii, M.; Takata, Y.

In: Experimental Heat Transfer, Vol. 24, No. 2, 01.04.2011, p. 168-178.

Research output: Contribution to journalArticle

Moroe, S. ; Woodfield, P. L. ; Fukai, J. ; Shinzato, K. ; Kohno, M. ; Fujii, M. ; Takata, Y. / Thermal conductivity measurement of gases by the transient short-hot-wire method. In: Experimental Heat Transfer. 2011 ; Vol. 24, No. 2. pp. 168-178.
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