Predicting the onset of condensate droplet departure from a vertical surface due to air flow—Applications to topographically-modified, micro-grooved surfaces

► We present a force-based model to predict air velocity required for condensate carryover. ► Micro-grooved surfaces help resist condensate carryover and aid in condensate drainage. ► Critical velocity is calculated within 15.2% for 89% of the droplet volumes analyzed. ► Critical velocity for drople...

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Veröffentlicht in:	Experimental thermal and fluid science 2012-07, Vol.40, p.38-49
Hauptverfasser:	Sommers, A.D., Ying, J., Eid, K.F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Air flow Air velocity Alignment Anisotropic wettability Applied sciences Channels Condensate carryover Condensates Contact angle Drag Droplets Energy Energy. Thermal use of fuels Exact sciences and technology Gravitation Heat transfer Mathematical models Micro-channels Movement Theoretical studies. Data and constants. Metering Water droplet
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