fountain effect


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Related to fountain effect: superfluid, Liquid helium

fountain effect

[′fau̇nt·ən i‚fekt]
(fluid mechanics)
The effect occurring when two containers of superfluid helium are connected by a capillary tube and one of them is heated, so that helium flows through the tube in the direction of higher temperature.
References in periodicals archive ?
Because of the significant implications for microstructure development in the product, the fountain effect at the advancing free surface is explicitly taken into consideration in the simulation.
7, it is easy to see that the velocity is always directed from the centerline towards the wall, spilling the fluid out in a fountain effect.
This comparison may provide some evidence for the suggestion of the present method: the V-shaped distribution of the principal stress difference near the melt front is formed by a fountain effect (circulating flow) and a viscoelastic effect (retardation time).
However, our particular interest here is in viscoelastic effects, fountain effects and their interaction, in order to distinguish them from thermal effects.
Suitable for ponds more than 15cm deep, it creates spray up to 60cm high and measures 31cm diameter, with a selection of three snap-on nozzles for different fountain effects.
A silken-robed water diva creates fountain effects for the Catalyst washer.