scholarly journals A Correlation Equation Derived from Three Phase Geometric Mean Model and Analysis of the Effective Thermal Conductivity of Porous Rocks. Studies on the thermal conductivity of porous rocks (2nd Report).

1995 ◽  
Vol 111 (14) ◽  
pp. 1007-1013
Author(s):  
Mamoru DEGUCHI ◽  
Hiroshi KIYOHASHI ◽  
Heiji ENOMOTO
Keyword(s):  
Thermal Conductivity ◽  
Effective Thermal Conductivity ◽  
Geometric Mean ◽  
Correlation Equation ◽  
Porous Rocks ◽  
Three Phase

scholarly journals Effective thermal conductivity of partially saturated porous rocks

2007 ◽  
Vol 44 (3-4) ◽  
pp. 811-833 ◽  
Author(s):  
C. Gruescu ◽  
A. Giraud ◽  
F. Homand ◽  
D. Kondo ◽  
D.P. Do
Keyword(s):  
Thermal Conductivity ◽  
Effective Thermal Conductivity ◽  
Porous Rocks ◽  
Partially Saturated

Effective Thermal Conductvity of Three-Phase Soils

2012 ◽  
Author(s):  
Fabio Gori ◽  
Sandra Corasaniti
Keyword(s):  
Thermal Conductivity ◽  
Effective Thermal Conductivity ◽  
Heat Fluxes ◽  
Water Volume ◽  
Two Phase ◽  
Empirical Constant ◽  
Three Phase ◽  
Theoretical Predictions ◽  
Porosity Ratio ◽  
Good Agreement

The aim of the present paper is to determine the effective thermal conductivity of three-phase soils, made of a quasi-spherical solid grain, and surrounded by two phase, which can be water and air or water and ice. The effective thermal conductivity is obtained theoretically by integrating the conduction equation under the thermal distribution of parallel heat fluxes in steady-state. The effective thermal conductivity is evaluated at a given degree of porosity (ratio between the void volume and the total one) and different degrees of saturation (ratio between the water volume and the void one) from dryness up to saturation. Comparisons between experimental data and theoretical predictions confirm that the present model can predict the effective thermal conductivity with a fairly good agreement without using any empirical constant.

Effective thermal conductivity of three-phase styrene butadiene composites

2000 ◽  
Vol 76 (12) ◽  
pp. 1799-1803 ◽  
Author(s):  
Richa Agrawal ◽  
N. S. Saxena ◽  
G. Mathew ◽  
S. Thomas ◽  
Kanan B. Sharma
Keyword(s):  
Thermal Conductivity ◽  
Effective Thermal Conductivity ◽  
Three Phase ◽  
Styrene Butadiene

scholarly journals Fractal geometry model for effective thermal conductivity of three-phase porous media

2004 ◽  
Vol 95 (11) ◽  
pp. 6426-6434 ◽  
Author(s):  
Yongting Ma ◽  
Boming Yu ◽  
Duanming Zhang ◽  
Mingqing Zou
Keyword(s):  
Thermal Conductivity ◽  
Porous Media ◽  
Effective Thermal Conductivity ◽  
Fractal Geometry ◽  
Geometry Model ◽  
Three Phase

The Effective Conductivity of Multiphase Composites with Imperfect Thermal Contact at Constituent Interfaces

2009 ◽  
Vol 631-632 ◽  
pp. 127-132
Author(s):  
M. Zhang ◽  
Peng Cheng Zhai ◽  
Qing Jie Zhang
Keyword(s):  
Thermal Conductivity ◽  
Effective Thermal Conductivity ◽  
Effective Conductivity ◽  
Thermal Contact ◽  
Spherical Particles ◽  
Particulate Composites ◽  
Imperfect Contact ◽  
Matrix Embedding ◽  
Three Phase ◽  
Multiphase Composites

This paper studies the effective thermal conductivity of multiphase composite in which a thermal boundary resistance exists at constituent interfaces. Based on the theoretical framework of conductivity for binary system composites in the presence of a thermal contact resistance between matrix and inclusion given by Y. Benveniste and T. Miloh (1986), the fundamental concept is generalized for the case of multiphase composites with imperfect contact which permits a temperature discontinuity between matrix and inclusions of different phases. A micromechanics model, the “generalized self-consistent scheme (GSCS)” based on a particle-matrix embedding in the effective medium, is generalized to evaluate the effective conductivity of multiphase medium with imperfect thermal contact at constituent interfaces. Numerical results are given for three-phase particulate composites with spherical particles to illustrate the effect of imperfect interfaces on the effective thermal conductivity of multiphase composites.

Prediction and measurement of effective thermal conductivity of three-phase systems

1991 ◽  
Vol 24 (9) ◽  
pp. 1515-1526 ◽  
Author(s):  
L S Verma ◽  
A K Shrotriya ◽  
R Singh ◽  
D R Chaudhary
Keyword(s):  
Thermal Conductivity ◽  
Effective Thermal Conductivity ◽  
Three Phase ◽  
Phase Systems
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