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Spatial Control of Condensate Droplets on Superhydrophobic Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Superbiphilic surfaces have been fabricated and characterized using environmental scanning electron microscopy (ESEM) to demonstrate spatial control of microscale droplets during condensation. The surfaces are composed of ...
Effect of Length Scales on the Boiling Enhancement of Structured Copper Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Boiling heat transfer can be substantially altered with the addition of surface structures. While significant enhancements in critical heat flux (CHF) and heat transfer coefficient (HTC) have been demonstrated using this ...
Dendrite Growth during Freezing of Millimeter Scale Eicosane Droplets
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The freezing characteristics of small diameter eicosane (Tmelt = 37آ°C) droplets are studied here for their use in novel drycooling strategies based on spray freezing of recirculating phase change materials (PCM). PCM can ...
Experimental Characterization of Inward Freezing and Melting of Additive Enhanced Phase Change Materials Within Millimeter Scale Cylindrical Enclosures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The inward melting and solidification of phasechange materials (PCM) within millimeterscale cylindrical enclosures have been experimentally characterized in this work. The effects of cylinder size, thermal loading, and ...
Thin Film Condensation Supported on Ambiphilic Microstructures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Ambiphilic surfaces have been used to support thin liquid films during condensation and imaged using environmental scanning electron microscopy (ESEM). Ambiphilic microstructures (a) are comprised of hydrophilic deep etched ...