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International Heat Transfer Conference 7

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

APPLICATION OF TRANSIENT HOT WIRE METHOD TO MEASURE THERMAL CONDUCTIVITY OF A CONDUCTIVE MEDIUM

M. Take-uchi
Department of Mechanical Engineering for Production Tokyo Institute of Technology, Meguro-ku, Tokyo 152 Japan

M. Suzuki
Department of Mechanical Engineering for Production Tokyo Institute of Technology, Meguro-ku, Tokyo 152 Japan

K. Nagata
Department of Metallurgical Engineering Tokyo Institute of Technology, Meguro-ku, Tokyo 152 Japan

Y. Kurosaki
Department of Mechanical Engineering, Tokai University Hiratsuka-shi, Japan

DOI: 10.1615/IHTC7.2810
pages 555-560

Abstract

The theoretical analysis of the transient conduction problem of the electrically heated thin wire in an electrically conductive medium is presented. Comparing the results with the ideal case of non-conductive medium( the principle of hot wire method ), we find a certain region of the wire dimension in which the thermal responce are very similar to the principle. In such a region the thermal conductivity of the electrically conductive medium can be measured by the hot wire without any electric insulation.

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