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Wetting & Wicking Effects of Superhydrophilic Nano Structured Coatings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Superhydrophilic NanoStructured Coatings (SHNC) were discovered during pool boiling experiments using nanofluids with alumina nanoparticles. During nucleate boiling, the nanoparticles are deposited on the heater surface, ...
Drop Impact Variation at the Extremes of Wettability
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Depicted are sequences of water drop impacts on copper, taken at 16,000 fps. The copper is treated with a heated alkali solution, resulting in a highly wetting, nanoscale structured, cupric oxide layer with a static contact ...
Numerical Simulation of Evaporating Two-Phase Flow in a High-Aspect-Ratio Microchannel with Bends
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Flow boiling was investigated on a hydrophobic surface by coating Teflon® onto a 1×1 cm2 copper surface, resulting in contact angle of 118°. The images depicted were taken using distilled water flowing at 299 kg/m2s with ...