1887
banner image
No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
Air cushioning in droplet impacts with liquid layers and other droplets
Rent:
Rent this article for
USD
10.1063/1.3602505
/content/aip/journal/pof2/23/6/10.1063/1.3602505
http://aip.metastore.ingenta.com/content/aip/journal/pof2/23/6/10.1063/1.3602505
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of a liquid droplet with free surface y = f +(x,t), approaching impact with a shallow liquid layer whose free surface is given by y = f (x,t).

Image of FIG. 2.
FIG. 2.

Contour and image system used to solve the potential flow resulting from a droplet impact with a shallow liquid layer.

Image of FIG. 3.
FIG. 3.

Regime diagram indicating the different types of compressible behavior for droplet radius and approach speed for an air-water impact at an ambient pressure p 0 = 105 Pa. The solid curve corresponds to K = ɛ and divides the incompressible regime (below the line) from the compressible regime. The dashed line results from the second inequality in Eq. (22), and we must be above this line to have a lubrication equation governing the air flow. The dotted curve corresponds to Θ = ɛ, below which the gas density is independent of temperature.

Image of FIG. 4.
FIG. 4.

Air cushioning in two-dimensional droplet impacts with a liquid layer with depth (a) h = 0, (b) h = 0.2, (c) h = 1, (d) h = 5, and (e) h →∞.

Image of FIG. 5.
FIG. 5.

Air cushioning in two-dimensional droplet impacts with a shallow liquid layer. (a) shows the upper free-surface, (b) the lower free-surface, and (c) the pressure. The upper free-surface and the pressure evolution are the same as those shown in Figure 4(a) for droplet impact with a solid wall.

Image of FIG. 6.
FIG. 6.

Bubble volume as a function of layer depth h, when [f] = 0.185. The horizontal lines indicate the bubble volume at the same point for impact with a solid and impact with deep liquid.

Image of FIG. 7.
FIG. 7.

Air cushioning in two-dimensional droplet-droplet impacts. (a) shows the free-surface profiles and (b) the pressure, for (i) α = 1 (the same sized droplets), (ii) α = 2, and (iii) α = 4.

Image of FIG. 8.
FIG. 8.

Air cushioning in two-dimensional droplet-droplet impacts. (a) shows the free-surface profiles and (b) the pressure, for a horizontal offset (i) d = 1.5, (ii) d = 3.0, and (iii) d = 4.5.

Loading

Article metrics loading...

/content/aip/journal/pof2/23/6/10.1063/1.3602505
2011-06-28
2014-04-24
Loading

Full text loading...

This is a required field
Please enter a valid email address
752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Air cushioning in droplet impacts with liquid layers and other droplets
http://aip.metastore.ingenta.com/content/aip/journal/pof2/23/6/10.1063/1.3602505
10.1063/1.3602505
SEARCH_EXPAND_ITEM