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A contribution to the theory of the transient hot-wire technique for thermal conductivity measurements

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  • Kestin, J.
  • Wakeham, W.A.

Abstract

The paper presents rigorous working equations for an automatic Wheatstone bridge employed in fluid thermal conductivity measurements by the transient hot-wire technique. Particular attention is concentrated upon the inevitable small differences between the two wires employed for the cancellation of the end effects in the experimental arrangement. It is shown that from experimental measurements of the change in the difference of resistance of the two wires as a function of time during their transient heating, it is possible to determine the temperature rise of a wire acting as a finite section of an infinite wire. The correct expressions for the calculation of the heat flux in the wire are also given.

Suggested Citation

  • Kestin, J. & Wakeham, W.A., 1978. "A contribution to the theory of the transient hot-wire technique for thermal conductivity measurements," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 92(1), pages 102-116.
    • Handle: RePEc:eee:phsmap:v:92:y:1978:i:1:p:102-116
    DOI: 10.1016/0378-4371(78)90023-7
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    Cited by:

    1. Won, Jongmuk & Lee, Dongseop & Na, Kyunguk & Lee, In-Mo & Choi, Hangseok, 2015. "Physical properties of G-class cement for geothermal well cementing in South Korea," Renewable Energy, Elsevier, vol. 80(C), pages 123-131.
    2. Mohammed, H.A. & Al-aswadi, A.A. & Shuaib, N.H. & Saidur, R., 2011. "Convective heat transfer and fluid flow study over a step using nanofluids: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(6), pages 2921-2939, August.
    3. Jongmuk Won & Hyun-Jun Choi & Hyobum Lee & Hangseok Choi, 2016. "Numerical Investigation on the Effect of Cementing Properties on the Thermal and Mechanical Stability of Geothermal Wells," Energies, MDPI, vol. 9(12), pages 1-13, December.
    4. Hesam Moghadasi & Navid Malekian & Hamid Saffari & Amir Mirza Gheitaghy & Guo Qi Zhang, 2020. "Recent Advances in the Critical Heat Flux Amelioration of Pool Boiling Surfaces Using Metal Oxide Nanoparticle Deposition," Energies, MDPI, vol. 13(15), pages 1-49, August.

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