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Repeatability and refinement of a transient hot wire instrument for measuring the thermal conductivity of high temperature melts

Repeatability and refinement of a transient hot wire instrument for measuring the thermal conductivity of high temperature melts
Repeatability and refinement of a transient hot wire instrument for measuring the thermal conductivity of high temperature melts
The paper reports an assessment of the repeatability of a method for the measurement of the thermal conductivity of high temperature melts. The main goal is to demonstrate that a novel approach to the transient hot wire technique can yield highly accurate results that are consistent with previous, independent measurements. The paper summarizes the modified transient hot-wire method, presents improvements in the finite-element analysis of its operation, and briefly discusses deviations from available analytical equations. The transient hot-wire instrument and experimental configuration are also described. Results from measurements on molten metals, in particular, tin and indium, in the temperature range from their melting points up to 750K are presented. A comparison with previously measured values is given, and the accuracy and repeatability of the method are discussed.
finite-element method (FEM), indium, molten metal, thermal conductivity, tin, transient hot wire
1626-1637
Bilek, J.
29073426-9213-4da4-9bbe-b65a2a488483
Atkinson, J.
5e9729b2-0e1f-400d-a889-c74f6390ea58
Wakeham, W.
88549729-a39a-497f-b112-feaa6be2c449
Bilek, J.
29073426-9213-4da4-9bbe-b65a2a488483
Atkinson, J.
5e9729b2-0e1f-400d-a889-c74f6390ea58
Wakeham, W.
88549729-a39a-497f-b112-feaa6be2c449

Bilek, J., Atkinson, J. and Wakeham, W. (2006) Repeatability and refinement of a transient hot wire instrument for measuring the thermal conductivity of high temperature melts. International Journal of Thermophysics, 27 (6), 1626-1637. (Submitted)

Record type: Article

Abstract

The paper reports an assessment of the repeatability of a method for the measurement of the thermal conductivity of high temperature melts. The main goal is to demonstrate that a novel approach to the transient hot wire technique can yield highly accurate results that are consistent with previous, independent measurements. The paper summarizes the modified transient hot-wire method, presents improvements in the finite-element analysis of its operation, and briefly discusses deviations from available analytical equations. The transient hot-wire instrument and experimental configuration are also described. Results from measurements on molten metals, in particular, tin and indium, in the temperature range from their melting points up to 750K are presented. A comparison with previously measured values is given, and the accuracy and repeatability of the method are discussed.

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More information

Submitted date: 14 September 2006
Keywords: finite-element method (FEM), indium, molten metal, thermal conductivity, tin, transient hot wire

Identifiers

Local EPrints ID: 43837
URI: https://eprints.soton.ac.uk/id/eprint/43837
PURE UUID: 5ca3f5f9-58aa-4204-b862-b6105dceb299
ORCID for J. Atkinson: ORCID iD orcid.org/0000-0003-3411-8034

Catalogue record

Date deposited: 02 Feb 2007
Last modified: 14 Mar 2019 01:57

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