In this paper we propose a new technique for drop deposition on low energy surfaces, which addresses the limitations of the classical drop deposition technique. In this classical technique, a drop is deposited on a surface by bringing a needle, holding the drop, in proximity to the solid surface. Therefore, irrespective of whether the solid surface is in air or under a liquid, it becomes extremely difficult to deposit the drop on low energy surfaces owing to the large differences between the drop-needle and the drop-substrate adhesion forces (or surface energies). In our discussed method, we overcome this difficulty for low energy surfaces immersed in a liquid. For surfaces under liquid, there is an interface in addition to the solid-liquid interface: this interface is the air-liquid interface, where the liquid gets exhausted. In our technique, we cater the (un)favorable drop spreading dynamics at this interface to ensure that the drop gets deposited on the under-liquid surface.
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ASME 2013 Fluids Engineering Division Summer Meeting
July 7–11, 2013
Incline Village, Nevada, USA
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-5558-4
PROCEEDINGS PAPER
Drop Deposition Technique on Low Energy Surface Available to Purchase
Prashant R. Waghmare,
Prashant R. Waghmare
University of Alberta, Edmonton, AB, Canada
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Siddhartha Das,
Siddhartha Das
University of Alberta, Edmonton, AB, Canada
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Sushanta K. Mitra
Sushanta K. Mitra
University of Alberta, Edmonton, AB, Canada
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Prashant R. Waghmare
University of Alberta, Edmonton, AB, Canada
Siddhartha Das
University of Alberta, Edmonton, AB, Canada
Sushanta K. Mitra
University of Alberta, Edmonton, AB, Canada
Paper No:
FEDSM2013-16265, V002T21A004; 5 pages
Published Online:
December 13, 2013
Citation
Waghmare, PR, Das, S, & Mitra, SK. "Drop Deposition Technique on Low Energy Surface." Proceedings of the ASME 2013 Fluids Engineering Division Summer Meeting. Volume 2, Fora: Cavitation and Multiphase Flow; Fluid Measurements and Instrumentation; Microfluidics; Multiphase Flows: Work in Progress. Incline Village, Nevada, USA. July 7–11, 2013. V002T21A004. ASME. https://doi.org/10.1115/FEDSM2013-16265
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