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On the Heat Flux Vector and Thermal Conductivity of Slags: A Brief Review

Author

Listed:
  • Mehrdad Massoudi

    (U.S. Department of Energy (DOE), National Energy Technology Laboratory (NETL), 626 Cochrans Mill Road, P.O. Box 10940, Pittsburgh, PA 15236, USA)

  • Jeongho Kim

    (Department of Mechanical Engineering, Kyung Hee University, Yong-in, Kyunggi-do 446-701, Korea)

  • Ping Wang

    (U.S. Department of Energy (DOE), National Energy Technology Laboratory (NETL), 626 Cochrans Mill Road, P.O. Box 10940, Pittsburgh, PA 15236, USA)

Abstract

The viscosity and the thermal conductivity of slag are among two of the most important material properties that need to be studied. In this paper we review the existing theoretical and experimental correlations for the thermal conductivity of slag. However, since, in general, slag behaves as a non-linear fluid, it is the heat flux vector which must be studied. Both explicit and implicit approaches are discussed and suggestions about the form of the heat flux vector and the thermal conductivity and their dependence on shear rate, porosity, deformation, etc. are provided. The discussion of the constitutive modeling of the heat flux vector for slag is from a theoretical perspective.

Suggested Citation

  • Mehrdad Massoudi & Jeongho Kim & Ping Wang, 2016. "On the Heat Flux Vector and Thermal Conductivity of Slags: A Brief Review," Energies, MDPI, vol. 9(1), pages 1-23, January.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:1:p:27-:d:61810
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    References listed on IDEAS

    as
    1. Mehrdad Massoudi & Ping Wang, 2013. "Slag Behavior in Gasifiers. Part II: Constitutive Modeling of Slag," Energies, MDPI, vol. 6(2), pages 1-32, February.
    2. Ling Miao & Mehrdad Massoudi, 2015. "Effects of Shear Dependent Viscosity and Variable Thermal Conductivity on the Flow and Heat Transfer in a Slurry," Energies, MDPI, vol. 8(10), pages 1-29, October.
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    Cited by:

    1. Young Mun Lee & Heeyoon Chung & Seon Ho Kim & Hyeng Sub Bae & Hyung Hee Cho, 2017. "Optimization of the Heating Element in a Gas-Gas Heater Using an Integrated Analysis Model," Energies, MDPI, vol. 10(12), pages 1-19, November.

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