A new approach to modeling the effective thermal conductivity of ceramics porous media using a generalized self-consistent method

作者：Edrisi Siroos; Bidhendi Norollah Kasiri^*; Haghighi Maryam

来源：Heat and Mass Transfer, 2017, 53(1): 321-330.

DOI：10.1007/s00231-016-1821-6

Effective thermal conductivity of the porous media was modeled based on a self-consistent method. This model estimates the heat transfer between insulator surface and air cavities accurately. In this method, the pore size and shape, the temperature gradient and other thermodynamic properties of the fluid was taken into consideration. The results are validated by experimental data for fire bricks used in cracking furnaces at the olefin plant of Maroon petrochemical complexes well as data published for polyurethane foam (synthetic polymers) IPTM and IPM. The model predictions present a good agreement against experimental data with thermal conductivity deviating < 1 %.

• 出版日期2017-1