Abstract:The effect of structural modulation of porous-layer coating on the qCHF for horizontal surfaces is examined experimentally. The surface consists of a copper substrate coated with spherical copper particles which are diffusion sintered into modulated structures inside graphite molds. Results are reported for pentane boiling on four different surfaces; a plain uncoated surface, a surface with a porous-layer coating of uniform thickness, and two surfaces with different modulated porous-layer coatings. A two-fold … Show more
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