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Equivalent thermal conductivity of open-cell ceramic foams at high temperatures

Li, J. E. and Wang, Baolin (2014). Equivalent thermal conductivity of open-cell ceramic foams at high temperatures. International Journal of Thermophysics,35(1):105-122.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 0 times in Scopus Article

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IRMA ID 82794376xPUB275
Title Equivalent thermal conductivity of open-cell ceramic foams at high temperatures
Author Li, J. E.
Wang, Baolin
Journal Name International Journal of Thermophysics
Publication Date 2014
Volume Number 35
Issue Number 1
ISSN 0195-928X   (check CDU catalogue  open catalogue search in new window)
Scopus ID 2-s2.0-84894543089
Start Page 105
End Page 122
Total Pages 18
Place of Publication United States
Publisher Springer New York LLC
HERDC Category C1 - Journal Article (DIISR)
Abstract At high temperature, heat transfer in open-cell foams occurs by thermal radiation through the whole medium as well as by conduction through the solid matrix and air filling the pores. This paper applies the body-centered cubic cell model to predict radiative properties and the thermal conductivity of the open-cell foams. The model is validated by comparing the results with previous published works. Effects of structural characteristic parameters (cell diameter and porosity) and optical properties of the solid matrix (reflectivity and specularity parameter) on extinction coefficients and the radiative conductivity are discussed. The influence of temperature on the thermal conductivities including the effective, radiative, and the equivalent conductivity of open-cell ceramic foams are analyzed.
Keywords Ceramic foams
Extinction coefficient
High temperature
Thermal conductivity
DOI http://dx.doi.org/10.1007/s10765-013-1545-5   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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