Paper Title:
Evaluation of Thermal Insulation Properties of Fibrous Mineral Fine Powders
  Abstract

The equivalent thermal resistance model of sepiolite mineral nanofibers has been presented in this paper to predict the thermal insulation properties of fibrous mineral fine powders. The model was based on the correlation between thermal conduction and gas & solid conduction in the fibrous system. According to the analysis about the process of heat transfer in sepiolite nanofibers, the total thermal conduction can be described as the synergism of the solid thermal conduction and the gaseous thermal conduction. From the equivalent thermal resistance model of fibrous materials in the accumulative condition, it can be seen that the thermal conduction of fibrous mineral fine powders can be evaluated by the relationship between bulk density and thermal conduction of sepiolite nanofibers. Comparing the theoretical values with experimental data obtained from thermal conduction instrument, it was found that the theoretical values corresponded well with experimental data.

  Info
Periodical
Edited by
Jinsheng Liang and Lijuan Wang
Pages
339-343
DOI
10.4028/www.scientific.net/AMR.178.339
Citation
F. Wang, J. S. Liang, C. Y. Ren, Q. G. Tang, "Evaluation of Thermal Insulation Properties of Fibrous Mineral Fine Powders", Advanced Materials Research, Vol. 178, pp. 339-343, 2011
Online since
December 2010
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