کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
660392 1458146 2008 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Weighted effective medium approximations for conductivity of random composites
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی جریان سیال و فرایندهای انتقال
پیش نمایش صفحه اول مقاله
Weighted effective medium approximations for conductivity of random composites
چکیده انگلیسی

Effective medium approximations are developed to estimate the conductivity of composite media that are random mixtures of inhomogeneities of various shapes. The approximations use dilute solution results for inclusions of certain shapes embedded in the effective medium matrix, and incorporate weight parameters to reflect the proportions of the inhomogeneities of various shapes from different component materials in a mixture. Since the approximations are based on the differential scheme, which is realizable by a certain hierarchical model, they never violate the mathematical requirements imposed upon a homogenized property including the bounds. As illustrations, the approximations are used to interpret empirical data on the electrical conductivity of water-saturated sedimentary rocks, and the thermal conductivity of some multiphase dispersions of metallic particles in silicone rubber matrix.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Heat and Mass Transfer - Volume 51, Issues 13–14, 1 July 2008, Pages 3355–3361
نویسندگان
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