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Thermodynamics of Superflow in the Helium Film

Goodstein, D. L. and Saffman, P. G. (1974) Thermodynamics of Superflow in the Helium Film. In: Low Temperature Physics-LT 13. Vol.1. Springer US , Boston, MA, pp. 243-246. ISBN 9781468478662. https://resolver.caltech.edu/CaltechAUTHORS:20201007-081703418

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Abstract

The saturated superfluid film is capable of acting as a siphon, allowing the superfluid to drain out of any containing vessel to find the lowest available gravitational level. As in any siphon, the pressure in the film is lower when it is flowing than when it is at rest, owing to the Bernoulli effect. Since the film has a free surface which presumably cannot support a pressure discontinuity, it was expected that the flowing film would collapse on itself, like a siphon with flimsy walls. In particular, at typical film flow velocities a reduction in thickness of about one-quarter was expected.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1007/978-1-4684-7864-8_47DOIArticle
Additional Information:© Springer Science+Business Media New York 1974. Work supported in part by the Research Corporation.
Funders:
Funding AgencyGrant Number
Research CorporationUNSPECIFIED
Subject Keywords:Helium Atom; Superfluid Density; Attenuation Mechanism; Helium Film; Superfluid Velocity
Record Number:CaltechAUTHORS:20201007-081703418
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20201007-081703418
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:105853
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:07 Oct 2020 16:38
Last Modified:07 Oct 2020 16:38

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