Measurements of hydrogen thermal conductivity at high pressure and high temperature

S. Moroe, P. L. Woodfield, K. Kimura, Masamichi Kohno, Jun Fukai, M. Fujii, K. Shinzato, Yasuyuki Takata

Research output: Contribution to journalArticle

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Abstract

The thermal conductivity for normal hydrogen gas was measured in the range of temperatures from 323 K to 773 K at pressures up to 99 MPa using the transient short hot-wire method. The single-wire platinum probes had wire lengths of 10 mm to 15 mm with a nominal diameter of 10 μm. The volume-averaged transient temperature rise of the wire was calculated using a two-dimensional numerical solution to the unsteady heat conduction equation. A non-linear least-squares fitting procedure was employed to obtain the values of the thermal conductivity required for agreement between themeasured temperature rise and the calculation. The experimental uncertainty in the thermal-conductivity measurements was estimated to be 2.2 % (k = 2). An existing thermal-conductivity equation of state was modified to include the expanded range of conditions covered in the present study. The new correlation is applicable from 78 K to 773 K with pressures to 100 MPa and is in agreement with the majority of the present thermal-conductivity measurements within ±2 %.

Original languageEnglish
Pages (from-to)1887-1917
Number of pages31
JournalInternational Journal of Thermophysics
Volume32
Issue number9
DOIs
Publication statusPublished - Sep 1 2011

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thermal conductivity
wire
hydrogen
temperature
conductive heat transfer
platinum
equations of state
probes
gases

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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Measurements of hydrogen thermal conductivity at high pressure and high temperature. / Moroe, S.; Woodfield, P. L.; Kimura, K.; Kohno, Masamichi; Fukai, Jun; Fujii, M.; Shinzato, K.; Takata, Yasuyuki.

In: International Journal of Thermophysics, Vol. 32, No. 9, 01.09.2011, p. 1887-1917.

Research output: Contribution to journalArticle

Moroe, S. ; Woodfield, P. L. ; Kimura, K. ; Kohno, Masamichi ; Fukai, Jun ; Fujii, M. ; Shinzato, K. ; Takata, Yasuyuki. / Measurements of hydrogen thermal conductivity at high pressure and high temperature. In: International Journal of Thermophysics. 2011 ; Vol. 32, No. 9. pp. 1887-1917.
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