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Abstract Steam condensation was studied experimentally over a honeycomb-like microporous superhydrophobic surface, as fabricated by electrodeposition method, under various condensing pressures. The condensing pressure was varied from 4 kPa to 13 kPa,… Click to show full abstract
Abstract Steam condensation was studied experimentally over a honeycomb-like microporous superhydrophobic surface, as fabricated by electrodeposition method, under various condensing pressures. The condensing pressure was varied from 4 kPa to 13 kPa, based on the typical operating conditions of condensers in coal-fired power plants. Over this range of pressure, stable coalescence-induced condensate droplet jumping was realized on the honeycomb-like surface with hierarchical micro-/nanostructures, leading to a significantly enhanced condensation heat transfer over that on a smooth hydrophobic surface at low degrees of subcooling (
Journal Title: Applied Thermal Engineering
Year Published: 2021
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