2017
DOI: 10.1016/j.ces.2017.01.057
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Evolution of internal flows in mechanically oscillating sessile droplets undergoing evaporation

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Cited by 12 publications
(19 citation statements)
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“…The terminology has been chosen to highlight the fact that these planes divide the entire droplet bulk into separate flow regions, which in turn homogenize particle transport. 39 It has been seen that with evaporation these segregation planes (indicated by blue lines in Figure 8c) show a downward shift similar in nature to a nodal circle shift. (The nodal circles, i.e., red lines, are indicated in Figure 8c.)…”
Section: Demonstrated Experimentally Thatmentioning
confidence: 83%
See 3 more Smart Citations
“…The terminology has been chosen to highlight the fact that these planes divide the entire droplet bulk into separate flow regions, which in turn homogenize particle transport. 39 It has been seen that with evaporation these segregation planes (indicated by blue lines in Figure 8c) show a downward shift similar in nature to a nodal circle shift. (The nodal circles, i.e., red lines, are indicated in Figure 8c.)…”
Section: Demonstrated Experimentally Thatmentioning
confidence: 83%
“…75 Furthermore, vapor entrapment also modifies the internal flow field. 39 To be more precise, in the unconfined case, evaporation flux is uniform in the azimuthal direction while it increases homogeneously from the bottom to the apex (J = f(β, t); J apex > J base ) (Figure 11b,c). This causes an internal recirculating toroidal flow which radiates outward when viewed from the bottom (close to the center, as explained in the previous sections) (Figure 11d).…”
Section: ■ Droplet In a Confined Geometry: Vapor−wall Interactionmentioning
confidence: 98%
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“…Since the flow inside the droplet is primarily responsible for the final deposit formed, the final deposit can be controlled by controlling the flow as a corollary. However, most techniques used to control the flow inside droplets, such as acoustic excitation [17], heating [18], magnetic stirring [19], the addition of surfactant [20], are highly intrusive and can lead to denaturing of the biological sample. Hence we propose the non-intrusive vapor mediated interaction [21,22] to control the flow and subsequent patterns formed on drying of the bio-fluid droplet.…”
Section: Introductionmentioning
confidence: 99%