Chemical and Biomolecular Engineering Research and Publications

 

Date of this Version

March 2003

Comments

This is the authors own version of the article published in Journal of Applied Physics,VOLUME 93, NUMBER 5,Page 2663- 2670,1 MARCH 2003.© 2003 American Institute of Physics. DOI: 10.1063/1.1541106 This article is available at Publisher site:

Abstract

Several theories have been advanced to estimate effective thermal conductivities of particulate mixtures, but most theories have focused on the dilute case. A method is proposed to estimate the effective thermal con-ductivity coefficient of mixtures of arbitrary concentration. Earlier the authors developed a theory to deter-mine the expected contact area between different species. This theory is employed to determine the Kapitza resistance of the heterogeneous mixture and forms part of an overall theory to estimate the effective thermal conductivity. Results are compared with other theoretical estimates and with experiments.

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