Copper mesh, compressed and formed into porous atrices of varius shpes and sizes, has been routinely used in high heat load/flux component cooling at the Advanced Photon Source (APS) to significantly enhance the heat transfer performance. Substantial research has been performed at the APS over the last eight years in order to better quantify and optimize the selection of the mesh copper matrix attributes (porosity, wire size, core size, bondign technique, etc.) for various water-cooled component applications in single phase. The same mesh configuration can also be applied in cryogenic cooling of optical components, such as monochromators, mirrors and multilayers, with liquid nitrogen. This paepr reviews the experimental data and the analytical calculations, compares the data with existing single- and two-phase correllations, and interprets the results for a cryogenically cooled monochromator.
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