Transient Heat Flow Across Uni Directional Fibers In Composites
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Transient Heat Flow Along Uni-directional Fibers in Composites
For uni-directional fibrous composites and laminated composites, a heat-balance integral method has been developed for the analysis of transient heat flow along the fibers or in the plane of laminates. The method is based on the construction of, for the two constituent media, temperature profiles which not only satisfy the necessary boundary conditions but also fulfill the asymptotic error function properties when inter-region conduction is vanishingly small or at very early times of the heat transient.
Transient Heat Flow Across Unidirectional Fibers in Composites
Transient heat flow in fibrous composites is important in determining the depth of heat penetration and temperature gradients near surface layers. A pervious report dealt with heat flow parallel to the fiber axis. This research is concerned with heat flow perpendicular to the uni-directional fibers. Temperature responses under the condition of a constant surface heat load are calculated by a finite-difference approach. The rise of the composite surface temperature is governed by two bounding-limits (the effective bound and the matrix bound) depending on the time scale. A threshold time criterion is established in this research which is based on a heat penetration concept.
Transient Heat Flow Along Uni-directional Fibers in Composites
For uni-directional fibrous composites and laminated composites, a heat-balance integral method has been developed for the analysis of transient heat flow along the fibers or in the plane of laminates. The method is based on the construction of, for the two constituent media, temperature profiles which not only satisfy the necessary boundary conditions but also fulfill the asymptotic error function properties when inter-region conduction is vanishingly small or at very early times of the heat transient.