Please use this identifier to cite or link to this item: https://doi.org/10.1080/07373930802046526
Title: Evaporation of ethanol-water mixture drop on horizontal substrate
Authors: Wang, Z.
Peng, X.-F.
Mujumdar, A.S. 
Su, A.
Lee, D.-J.
Keywords: Binary mixture
Contact angle
Contact radius
Evaporation
Issue Date: Jun-2008
Citation: Wang, Z., Peng, X.-F., Mujumdar, A.S., Su, A., Lee, D.-J. (2008-06). Evaporation of ethanol-water mixture drop on horizontal substrate. Drying Technology 26 (6) : 806-810. ScholarBank@NUS Repository. https://doi.org/10.1080/07373930802046526
Abstract: This study investigates the evaporation of sessile drop comprising ethanol and water mixture on horizontal poly methyl methacrylate surface. The contact angle (θ) and contact radius (R) of ethanol-water mixture drop are recorded with time, considering the impacts of presence of ethanol. With excess ethanol, the drop evaporation is principally controlled by a phase in which both the contact angle and contact radius are falling. A diffusional model assuming linear relation between contact radius and time is proposed as θ = eR3 + cR1, where e and c denote fitting coefficients. This model correlates with the experimental data.
Source Title: Drying Technology
URI: http://scholarbank.nus.edu.sg/handle/10635/85167
ISSN: 07373937
DOI: 10.1080/07373930802046526
Appears in Collections:Staff Publications

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