Journal ArticleDOI
The Dynamics of Thin Sheets of Fluid. I. Water Bells
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In this paper, a simple solution of the equations representing the shape of an axially symmetric sheet of fluid is given, and the shapes so calculated are compared with photographs of a "water bell" produced by placing a plane or conical obstruction in the centre of a jet of water.Abstract:
A simple solution of the equations representing the shape of an axially symmetric sheet of fluid is given. The shapes so calculated are compared with photographs of a 'water bell' produced by placing a plane or conical obstruction in the centre of a jet of water. The effect of air friction is evident in one of the photographs, and calculation, using a formula due to Howarth, shows that it should have been expected, though previous discussions of water bells have assumed it negligible.read more
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Normal impact of a liquid drop on a dry surface: model for spreading and receding
TL;DR: In this paper, a strictly theoretical model is introduced, which predicts the evolution of the drop diameter by the motion of a rim appearing at the edge of the liquid film (lamella) due to the surface-tension forces.
Journal ArticleDOI
On the experimental investigation on primary atomization of liquid streams
TL;DR: In this paper, a review of the early atomization step of liquid spray can be found, where the main instability mechanisms, which control primary breakup processes, are rather well described, as well as the significant parameters they depend on.
Journal ArticleDOI
The effect of ambient density on drop formation in sprays
N. Dombrowski,P. C. Hooper +1 more
TL;DR: In this paper, a study of the stability and disintegration of flat sheets produced by single-hole spray nozzles at various densities of the surrounding air has been made, and it is shown that a flat laminar sheet injected in vacuo is stable, and that drops are formed only at its edges.
Journal ArticleDOI
Inviscid coalescence of drops
TL;DR: In this article, the coalescence of two drops of an ideal fluid driven by surface tension is studied and the velocity of approach is taken to be zero and the dynamical effect of the outer fluid (usually air) is neglected.
Journal ArticleDOI
Morphology development in polymer blends
TL;DR: In this article, the evolution of phase morphology of polymer blends from pellets to submicron particles in a co-rotating twin-screw extruder was explained using scanning electron microscopy.
References
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Journal ArticleDOI
The surface tension of a moving water sheet
TL;DR: In this article, a method of measuring surface tension is developed and applied to measure the surface tension of water, giving 73.83±0.13 dyne/cm at 15°C.