Comparison of geometry dependent resistance models with conventional models for estimation of effective thermal conductivity of two-phase materials

The geometry dependent resistance models are used to estimate the effective thermal conductivity of two-phase materials based on the unit cell approach. The algebraic equations are derived based on isotherm approach for various geometries. The effective thermal conductivity of the above models are f...

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Bibliographic Details
Published in:Heat and mass transfer 2010-12, Vol.46 (11-12), p.1379-1394
Main Authors: Senthil Kumar, A. P., Prabhu Raja, V., Karthikeyan, P.
Format: Article
Language:English
Subjects:
Engineering
Engineering Thermodynamics
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Heat and Mass Transfer
Heat conduction
Heat transfer
Industrial Chemistry/Chemical Engineering
Original
Physics
Thermodynamics
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Summary:The geometry dependent resistance models are used to estimate the effective thermal conductivity of two-phase materials based on the unit cell approach. The algebraic equations are derived based on isotherm approach for various geometries. The effective thermal conductivity of the above models are found and compared with experimental data with a minimum and maximum deviation of ±3.976 and ±19.55%, respectively. The present models are good agreement with experimental results.
ISSN:0947-7411
1432-1181
DOI:10.1007/s00231-010-0660-0