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

doi:10.1080/08916152.2010.503310

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 journal › Article › peer-review

9 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 language	English
Pages (from-to)	168-178
Number of pages	11
Journal	Experimental Heat Transfer
Volume	24
Issue number	2
DOIs	https://doi.org/10.1080/08916152.2010.503310
Publication status	Published - Apr 2011

All Science Journal Classification (ASJC) codes

Control and Systems Engineering
Instrumentation
Electrical and Electronic Engineering

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10.1080/08916152.2010.503310

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title = "Thermal conductivity measurement of gases by the transient short-hot-wire method",

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%.",

author = "S. Moroe and Woodfield, {P. L.} and J. Fukai and K. Shinzato and M. Kohno and M. Fujii and Y. Takata",

note = "Funding Information: This research has been conducted as a part of the “Fundamental Research Project on Advanced Hydrogen Science” funded by the New Energy and Industrial Technology Development Organization (NEDO).",

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T1 - Thermal conductivity measurement of gases by the transient short-hot-wire method

AU - Moroe, S.

AU - Woodfield, P. L.

AU - Fukai, J.

AU - Shinzato, K.

AU - Kohno, M.

AU - Fujii, M.

AU - Takata, Y.

N1 - Funding Information: This research has been conducted as a part of the “Fundamental Research Project on Advanced Hydrogen Science” funded by the New Energy and Industrial Technology Development Organization (NEDO).

PY - 2011/4

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N2 - 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%.

AB - 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%.

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

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