Abstract

In this paper we numerically analyze the possibility of using buoyant flow in the display panel of a laptop for electronics cooling. A three-dimensional channel with a staggered pin fin array is analyzed using an unstructured finite volume method. A uniform heat flux is applied on the inner wall; the outer wall is exposed to the ambient. A single periodic module is selected in the lateral direction. In the axial direction, however, the entire height of the display channel is considered. A range of Rayleigh numbers, panel inclinations and staggering arrangements are considered, and local and global flow and heat transfer results are obtained. The results are useful in designing augmented cooling schemes in portable electronics.

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