Journal of Composite Materials, Vol. 26(18), pp. 2736-2758, 1992
A. Dasgupta, and R. Agarwal
University of Maryland
College Park, MD 20742
This article presents a new application of two-scale asymptotic homogenization
schemes to predict the orthotropic thermal conductivity of plain-weave-fabric
reinforced composite laminates. A unit-cell, enclosing the characteristics
periodic repeat pattern in the fabric weave, is isolated and modeled.
A new three-dimensional series-parallel thermal resistance network is developed
to solve a steady-state heat transfer boundary value problem (BVP) for
this unit-cell. Laminate effective orthotropic thermal conductivities
are obtained analytically and numerically as functions of (1) thermal conductivity
of the constituent materials, (2) fiber volume fraction, and (3) weave
style. The analytically predicted thermal conductivity values are
compared with numerical finite element predictions, with existing models
in the literature and with experimentally obtained values.
article is available to CALCE Consortium Members.